Sun JavaEE5 Tutorial for Application Server 9.1

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"TheJavaEE5Tutorial对于SunJavaSystemApplicationServer9.1的官方技术文档，出版于2010年，最初发布于2007年。由Oracle及其关联公司版权所有，包含对使用和披露的限制，并受知识产权法律保护。" 这篇文档详细介绍了Java Enterprise Edition（JavaEE）5版本的相关知识，特别是针对Sun Java System Application Server 9.1的教程。JavaEE是用于构建企业级Web应用程序的框架，它提供了一系列的API和服务，包括但不限于： 1. **Servlet和JSP**：Servlet是Java EE中的核心组件，用于处理HTTP请求，而JSP（JavaServer Pages）则是一种用于创建动态网页的技术，将业务逻辑与表现层分离。 2. **JNDI (Java Naming and Directory Interface)**：用于在分布式环境中查找和管理资源，比如数据库连接、EJB等。 3. **EJB (Enterprise JavaBeans)**：JavaEE的重要组成部分，提供了服务器端组件模型，支持事务、安全性和并发性管理，分为Session Beans（处理业务逻辑）、Message-driven Beans（处理消息）和Entity Beans（表示持久化数据）。 4. **JMS (Java Message Service)**：允许应用程序之间通过消息传递进行异步通信。 5. **JTA (Java Transaction API)**：提供了跨多个资源的事务管理，确保了在分布式环境中的数据一致性。 6. **JPA (Java Persistence API)**：简化了对象关系映射，使得Java对象可以透明地操作关系数据库。 7. **JPA提供商如Hibernate**：在实际应用中，JPA通常会依赖于像Hibernate这样的ORM工具来实现具体的数据访问功能。 8. **JSF (JavaServer Faces)**：一种用户界面组件模型，用于构建可重用的UI组件，简化了Web应用程序的开发。 9. **Web服务支持（JAX-WS和JAX-RS）**：JAX-WS用于创建基于SOAP的Web服务，而JAX-RS则是用于创建RESTful Web服务的API。 10. **CDI (Contexts and Dependency Injection)**：提供依赖注入和上下文管理，简化了组件的配置和管理。 11. **JAF (Java Activation Framework)**：用于处理MIME类型的Java对象，常用于电子邮件和消息传递系统。 12. **安全管理**：JavaEE提供了一套完整的安全模型，包括角色、权限、认证和授权。 这个教程不仅涵盖了这些核心技术的理论知识，还可能包含实际操作指南、示例代码以及最佳实践。对于学习和理解JavaEE 5开发者来说，这是一个宝贵的资源，可以帮助他们熟练掌握构建和部署企业级应用所需的各种技能。

JavaEETutorial5(含源码)

2007-05-11 上传
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JavaEE 5.0 Tutorial.pdf

2009-07-16 上传
Sun 官方 J2ee 5.0 教程 The Java EE 5Tutorial For Sun Java System Application Server 9.1 Contents Preface ..................................................................................................................................................29 Part I Introduction ........................................................................................................................................39 1 Overview ..............................................................................................................................................41 Java EE ApplicationModel ................................................................................................................. 42 DistributedMultitiered Applications ............................................................................................... 42 Security ......................................................................................................................................... 43 Java EE Components ................................................................................................................... 44 Java EE Clients .............................................................................................................................. 44 Web Components ........................................................................................................................ 46 Business Components ................................................................................................................. 47 Enterprise Information System Tier .......................................................................................... 48 Java EE Containers .............................................................................................................................. 48 Container Services ....................................................................................................................... 49 Container Types ........................................................................................................................... 49 Web Services Support ......................................................................................................................... 51 XML .............................................................................................................................................. 51 SOAP Transport Protocol ........................................................................................................... 52 WSDL Standard Format .............................................................................................................. 52 UDDI and ebXML Standard Formats ....................................................................................... 52 Java EE Application Assembly andDeployment ............................................................................. 52 Packaging Applications ...................................................................................................................... 53 Development Roles ............................................................................................................................. 54 Java EE Product Provider ............................................................................................................ 55 Tool Provider ............................................................................................................................... 55 Application Component Provider ............................................................................................. 55 3 Application Assembler ................................................................................................................ 56 ApplicationDeployer and Administrator ................................................................................. 56 Java EE 5 APIs ..................................................................................................................................... 57 Enterprise JavaBeans Technology .............................................................................................. 57 Java Servlet Technology .............................................................................................................. 58 JavaServer Pages Technology ..................................................................................................... 58 JavaServer Pages Standard Tag Library ..................................................................................... 58 JavaServer Faces ........................................................................................................................... 58 JavaMessage Service API ............................................................................................................ 59 Java Transaction API ................................................................................................................... 59 JavaMail API ................................................................................................................................ 59 JavaBeans Activation Framework .............................................................................................. 59 Java API for XML Processing ..................................................................................................... 60 Java API for XML Web Services (JAX-WS) .............................................................................. 60 Java Architecture for XML Binding (JAXB) ............................................................................. 60 SOAP with Attachments API for Java ........................................................................................ 60 Java API for XML Registries ....................................................................................................... 61 J2EE Connector Architecture ..................................................................................................... 61 JavaDatabase Connectivity API ................................................................................................. 61 Java Persistence API ..................................................................................................................... 62 JavaNaming and Directory Interface ........................................................................................ 62 Java Authentication and Authorization Service ....................................................................... 62 Simplified Systems Integration ................................................................................................... 63 Sun Java System Application Server Platform Edition 9 ................................................................. 63 Tools ............................................................................................................................................. 63 2 Using theTutorial Examples ..............................................................................................................65 Required Software ............................................................................................................................... 65 Tutorial Bundle ............................................................................................................................ 65 Java Platform, Standard Edition ................................................................................................. 66 Sun Java System Application Server 9.1 ..................................................................................... 66 NetBeans IDE ............................................................................................................................... 67 Apache Ant .................................................................................................................................. 68 Starting and Stopping the Application Server .................................................................................. 68 Starting the Admin Console ............................................................................................................... 69 Contents 4 The Java EE 5Tutorial • September 2007 Starting and Stopping the JavaDBDatabase Server ........................................................................ 69 Building the Examples ........................................................................................................................ 70 Building the Examples UsingNetBeans IDE ............................................................................ 70 Building the Examples on the Command-Line Using Ant ..................................................... 70 Tutorial Example Directory Structure .............................................................................................. 71 Debugging Java EE Applications ....................................................................................................... 72 Using the Server Log .................................................................................................................... 72 Using aDebugger ......................................................................................................................... 73 Part II TheWebTier ........................................................................................................................................ 75 3 Getting Started withWeb Applications ........................................................................................... 77 Web Applications ............................................................................................................................... 77 Web Application Life Cycle ................................................................................................................ 80 WebModules ...................................................................................................................................... 81 Packaging WebModules ............................................................................................................. 83 Deploying aWARFile ................................................................................................................. 84 TestingDeployed WebModules ................................................................................................ 85 ListingDeployed WebModules ................................................................................................. 86 Updating WebModules .............................................................................................................. 86 Undeploying WebModules ........................................................................................................ 88 Configuring Web Applications .......................................................................................................... 89 Mapping URLs to Web Components ........................................................................................ 89 Declaring Welcome Files ............................................................................................................ 91 Setting Initialization Parameters ................................................................................................ 92 Mapping Errors to Error Screens ............................................................................................... 93 Declaring Resource References .................................................................................................. 94 Duke’s Bookstore Examples ............................................................................................................... 96 AccessingDatabases from Web Applications .................................................................................. 97 Populating the ExampleDatabase ............................................................................................. 97 Creating aData Source in the Application Server .................................................................... 98 Further Information about Web Applications ................................................................................. 98 Contents 5 4 Java ServletTechnology .....................................................................................................................99 What Is a Servlet? ................................................................................................................................ 99 The Example Servlets ........................................................................................................................ 100 Troubleshooting Duke's BookstoreDatabase Problems ....................................................... 102 Servlet Life Cycle ............................................................................................................................... 102 Handling Servlet Life-Cycle Events ......................................................................................... 103 Handling Servlet Errors ............................................................................................................. 105 Sharing Information ......................................................................................................................... 105 Using Scope Objects .................................................................................................................. 105 Controlling Concurrent Access to Shared Resources ........................................................... 106 AccessingDatabases .................................................................................................................. 107 Initializing a Servlet ........................................................................................................................... 109 Writing ServiceMethods .................................................................................................................. 110 Getting Information from Requests ........................................................................................ 110 Constructing Responses ............................................................................................................ 112 Filtering Requests and Responses .................................................................................................... 114 Programming Filters .................................................................................................................. 115 Programming Customized Requests and Responses ............................................................ 117 Specifying FilterMappings ....................................................................................................... 119 Invoking Other Web Resources ....................................................................................................... 122 Including Other Resources in the Response ........................................................................... 122 Transferring Control to Another Web Component .............................................................. 124 Accessing the Web Context .............................................................................................................. 124 Maintaining Client State ................................................................................................................... 125 Accessing a Session .................................................................................................................... 125 Associating Objects with a Session .......................................................................................... 126 SessionManagement ................................................................................................................. 126 Session Tracking ........................................................................................................................ 127 Finalizing a Servlet ............................................................................................................................. 128 Tracking Service Requests ........................................................................................................ 129 NotifyingMethods to ShutDown ............................................................................................ 129 Creating Polite Long-RunningMethods ................................................................................. 130 Further Information about Java Servlet Technology .................................................................... 131 Contents 6 The Java EE 5Tutorial • September 2007 5 JavaServer PagesTechnology .........................................................................................................133 What Is a JSP Page? ............................................................................................................................ 133 A Simple JSP Page Example ...................................................................................................... 134 The Example JSP Pages ..................................................................................................................... 136 The Life Cycle of a JSP Page .............................................................................................................. 142 Translation and Compilation ................................................................................................... 142 Execution ................................................................................................................................... 143 Creating Static Content .................................................................................................................... 144 Response and Page Encoding ................................................................................................... 145 CreatingDynamic Content .............................................................................................................. 145 Using Objects within JSP Pages ................................................................................................ 145 Unified Expression Language .......................................................................................................... 146 Immediate andDeferred Evaluation Syntax ........................................................................... 148 Value andMethod Expressions ................................................................................................ 150 Defining a Tag Attribute Type .................................................................................................. 156 Deactivating Expression Evaluation ........................................................................................ 157 Literal Expressions ..................................................................................................................... 158 Resolving Expressions ............................................................................................................... 160 Implicit Objects .......................................................................................................................... 162 Operators ................................................................................................................................... 163 Reserved Words ......................................................................................................................... 163 Examples of EL Expressions ..................................................................................................... 164 Functions ................................................................................................................................... 165 JavaBeans Components .................................................................................................................... 167 JavaBeans ComponentDesign Conventions .......................................................................... 167 Creating and Using a JavaBeans Component ......................................................................... 168 Setting JavaBeans Component Properties .............................................................................. 169 Retrieving JavaBeans Component Properties ........................................................................ 171 Using Custom Tags ........................................................................................................................... 172 Declaring Tag Libraries ............................................................................................................. 172 Including the Tag Library Implementation ............................................................................ 174 Reusing Content in JSP Pages .......................................................................................................... 175 Transferring Control to Another Web Component ..................................................................... 176 jsp:param Element .................................................................................................................... 176 Including an Applet ........................................................................................................................... 176 Setting Properties for Groups of JSP Pages ..................................................................................... 179 Contents 7 Deactivating EL Expression Evaluation .................................................................................. 180 Further Information about JavaServer Pages Technology ........................................................... 183 6 JavaServer Pages Documents .........................................................................................................185 The Example JSPDocument ............................................................................................................ 185 Creating a JSPDocument ................................................................................................................. 188 Declaring Tag Libraries ............................................................................................................. 190 Including Directives in a JSPDocument ................................................................................. 191 Creating Static andDynamic Content .................................................................................... 193 Using the jsp:root Element .................................................................................................... 196 Using the jsp:output Element ................................................................................................ 196 Identifying the JSPDocument to the Container ............................................................................ 200 7 JavaServer Pages StandardTag Library ........................................................................................201 The Example JSP Pages ..................................................................................................................... 201 Using JSTL ......................................................................................................................................... 203 Tag Collaboration ...................................................................................................................... 204 Core Tag Library ............................................................................................................................... 205 Variable Support Tags ............................................................................................................... 205 Flow Control Tags ...................................................................................................................... 206 URL Tags .................................................................................................................................... 210 Miscellaneous Tags .................................................................................................................... 211 XML Tag Library ............................................................................................................................... 211 Core Tags ................................................................................................................................... 213 Flow Control Tags ...................................................................................................................... 214 Transformation Tags ................................................................................................................. 215 Internationalization Tag Library ..................................................................................................... 215 Setting the Locale ....................................................................................................................... 216 Messaging Tags .......................................................................................................................... 216 Formatting Tags ......................................................................................................................... 217 SQL Tag Library ................................................................................................................................ 218 query Tag Result Interface ........................................................................................................ 220 JSTL Functions ................................................................................................................................. 222 Further Information about JSTL ..................................................................................................... 223 Contents 8 The Java EE 5Tutorial • September 2007 8 CustomTags in JSP Pages .................................................................................................................225 What Is a Custom Tag? ..................................................................................................................... 226 The Example JSP Pages ..................................................................................................................... 226 Types of Tags ..................................................................................................................................... 229 Tags with Attributes ................................................................................................................... 229 Tags with Bodies ........................................................................................................................ 232 Tags ThatDefine Variables ....................................................................................................... 232 Communication between Tags ................................................................................................ 233 Encapsulating Reusable Content Using Tag Files ......................................................................... 233 Tag File Location ........................................................................................................................ 235 Tag File Directives ...................................................................................................................... 235 Evaluating Fragments Passed to Tag Files ............................................................................... 242 Custom Tag Examples ............................................................................................................... 243 Tag LibraryDescriptors .................................................................................................................... 247 Top-Level Tag LibraryDescriptor Elements .......................................................................... 248 Declaring Tag Files .................................................................................................................... 249 Declaring TagHandlers ............................................................................................................ 251 Declaring Tag Attributes for TagHandlers ............................................................................ 252 Declaring Tag Variables for TagHandlers .............................................................................. 254 Programming Simple TagHandlers ............................................................................................... 256 Including TagHandlers in Web Applications ........................................................................ 256 How Is a Simple TagHandler Invoked? .................................................................................. 256 TagHandlers for Basic Tags ..................................................................................................... 257 TagHandlers for Tags with Attributes .................................................................................... 257 TagHandlers for Tags with Bodies .......................................................................................... 260 TagHandlers for Tags ThatDefine Variables ........................................................................ 261 Cooperating Tags ....................................................................................................................... 263 TagHandler Examples .............................................................................................................. 265 9 Scripting in JSP Pages .......................................................................................................................273 The Example JSP Pages ..................................................................................................................... 273 Using Scripting ................................................................................................................................. 275 Disabling Scripting ............................................................................................................................ 275 JSPDeclarations ............................................................................................................................... 276 Initializing and Finalizing a JSP Page ....................................................................................... 276 Contents 9 JSP Scriptlets ..................................................................................................................................... 277 JSP Expressions ................................................................................................................................. 277 Programming Tags That Accept Scripting Elements .................................................................... 278 TLD Elements ............................................................................................................................. 278 TagHandlers .............................................................................................................................. 278 Tags with Bodies ........................................................................................................................ 280 Cooperating Tags ....................................................................................................................... 282 Tags ThatDefine Variables ....................................................................................................... 284 10 JavaServer FacesTechnology ..........................................................................................................285 JavaServer Faces Technology User Interface .................................................................................. 285 JavaServer Faces Technology Benefits ............................................................................................ 286 What Is a JavaServer Faces Application? ......................................................................................... 287 A Simple JavaServer Faces Application ........................................................................................... 287 Steps in theDevelopment Process ........................................................................................... 288 Mapping the FacesServlet Instance ...................................................................................... 289 Creating the Pages ...................................................................................................................... 290 Defining PageNavigation ......................................................................................................... 296 Configuring ErrorMessages ..................................................................................................... 297 Developing the Beans ................................................................................................................ 298 AddingManaged BeanDeclarations ....................................................................................... 298 User Interface ComponentModel .................................................................................................. 299 User Interface Component Classes .......................................................................................... 300 Component RenderingModel ................................................................................................. 301 ConversionModel ..................................................................................................................... 304 Event and ListenerModel ......................................................................................................... 305 ValidationModel ....................................................................................................................... 307 NavigationModel .............................................................................................................................. 307 Backing Beans ................................................................................................................................... 309 Creating a Backing Bean Class ................................................................................................. 309 The Life Cycle of a JavaServer Faces Page ....................................................................................... 313 Restore View Phase .................................................................................................................... 315 Further Information about JavaServer Faces Technology ............................................................ 318 Contents 10 The Java EE 5Tutorial • September 2007 11 Using JavaServer FacesTechnology in JSP Pages ........................................................................ 319 The Example JavaServer Faces Application .................................................................................... 319 Setting Up a Page ............................................................................................................................... 322 Using the Core Tags .......................................................................................................................... 325 Adding UI Components to a Page Using the HTML Component Tags ..................................... 327 UI Component Tag Attributes ................................................................................................. 327 Adding a Form Component ..................................................................................................... 329 Using Text Components ........................................................................................................... 330 Using Command Components for Performing Actions andNavigation ........................... 335 UsingData-Bound Table Components .................................................................................. 337 Adding Graphics and Images with the graphicImage Tag ................................................... 340 Laying Out Components with the UIPanel Component ...................................................... 341 Rendering Components for Selecting One Value .................................................................. 343 Rendering Components for SelectingMultiple Values ......................................................... 345 The UISelectItem, UISelectItems, and UISelectItemGroup Components ................... 346 Displaying ErrorMessages with the message and messages Tags ....................................... 349 Using LocalizedData ........................................................................................................................ 350 Loading a Resource Bundle ...................................................................................................... 351 Referencing Localized StaticData ............................................................................................ 352 Referencing ErrorMessages ..................................................................................................... 352 Using the Standard Converters ........................................................................................................ 354 Converting a Component’s Value ............................................................................................ 355 Using DateTimeConverter ....................................................................................................... 356 Using NumberConverter ........................................................................................................... 357 Registering Listeners on Components ............................................................................................ 359 Registering a Value-Change Listener on a Component ........................................................ 359 Registering an Action Listener on a Component ................................................................... 360 Using the Standard Validators ......................................................................................................... 361 Validating a Component’s Value ............................................................................................. 362 Using the LongRangeValidator .............................................................................................. 363 Binding Component Values and Instances to ExternalData Sources ........................................ 364 Binding a Component Value to a Property ............................................................................. 365 Binding a Component Value to an Implicit Object ............................................................... 366 Binding a Component Instance to a Bean Property .............................................................. 368 Binding Converters, Listeners, and Validators to Backing Bean Properties .............................. 369 Referencing a Backing BeanMethod .............................................................................................. 370 Contents 11 Referencing aMethod That PerformsNavigation ................................................................. 371 Referencing aMethod ThatHandles an Action Event .......................................................... 371 Referencing aMethod That Performs Validation .................................................................. 372 Referencing aMethod ThatHandles a Value-change Event ................................................ 372 Using Custom Objects ...................................................................................................................... 373 Using a Custom Converter ....................................................................................................... 374 Using a Custom Validator ......................................................................................................... 375 Using a Custom Component .................................................................................................... 376 12 Developing with JavaServer FacesTechnology ...........................................................................379 Writing Bean Properties ................................................................................................................... 379 Writing Properties Bound to Component Values ................................................................. 380 Writing Properties Bound to Component Instances ............................................................. 388 Writing Properties Bound to Converters, Listeners, or Validators ..................................... 389 Performing Localization ................................................................................................................... 390 Creating a Resource Bundle ...................................................................................................... 390 LocalizingDynamicData .......................................................................................................... 390 LocalizingMessages ................................................................................................................... 391 Creating a Custom Converter .......................................................................................................... 393 Implementing an Event Listener ..................................................................................................... 395 Implementing Value-Change Listeners .................................................................................. 396 Implementing Action Listeners ............................................................................................... 397 Creating a Custom Validator ........................................................................................................... 398 Implementing the Validator Interface ..................................................................................... 399 Creating a Custom Tag .............................................................................................................. 402 Writing Backing BeanMethods ...................................................................................................... 404 Writing aMethod toHandleNavigation ................................................................................ 404 Writing aMethod toHandle an Action Event ........................................................................ 406 Writing aMethod to Perform Validation ............................................................................... 406 Writing aMethod toHandle a Value-Change Event ............................................................. 407 13 Creating CustomUI Components ...................................................................................................409 Determining Whether YouNeed a Custom Component or Renderer ....................................... 410 When to Use a Custom Component ........................................................................................ 410 When to Use a Custom Renderer ............................................................................................. 411 Contents 12 The Java EE 5Tutorial • September 2007 Component, Renderer, and Tag Combinations ..................................................................... 412 Understanding the ImageMap Example ........................................................................................ 413 Why Use JavaServer Faces Technology to Implement an ImageMap? ............................... 413 Understanding the Rendered HTML ...................................................................................... 413 Understanding the JSP Page ..................................................................................................... 414 ConfiguringModelData ........................................................................................................... 416 Summary of the Application Classes ....................................................................................... 417 Steps for Creating a Custom Component ....................................................................................... 418 Creating Custom Component Classes ............................................................................................ 419 Specifying the Component Family .......................................................................................... 421 Performing Encoding ................................................................................................................ 422 PerformingDecoding ................................................................................................................ 424 Enabling Component Properties to Accept Expressions ...................................................... 424 Saving and Restoring State ........................................................................................................ 426 Delegating Rendering to a Renderer ............................................................................................... 427 Creating the Renderer Class ..................................................................................................... 427 Identifying the Renderer Type ................................................................................................. 429 Handling Events for Custom Components .................................................................................... 429 Creating the Component TagHandler ........................................................................................... 430 Retrieving the Component Type .............................................................................................. 431 Setting Component Property Values ....................................................................................... 431 Providing the Renderer Type ................................................................................................... 433 Releasing Resources ................................................................................................................... 434 Defining the Custom Component Tag in a Tag LibraryDescriptor ........................................... 434 14 Configuring JavaServer Faces Applications ..................................................................................437 Application Configuration Resource File ....................................................................................... 437 Configuring Beans ............................................................................................................................. 439 Using the managed-bean Element ............................................................................................ 439 Initializing Properties Using the managed-property Element ............................................ 441 InitializingMaps and Lists ........................................................................................................ 447 Registering Custom ErrorMessages ............................................................................................... 448 Registering Custom Localized Static Text ...................................................................................... 449 Registering a Custom Validator ....................................................................................................... 450 Registering a Custom Converter ..................................................................................................... 451 Contents 13 ConfiguringNavigation Rules ......................................................................................................... 451 Registering a Custom Renderer with a Render Kit ........................................................................ 455 Registering a Custom Component .................................................................................................. 457 Basic Requirements of a JavaServer Faces Application ................................................................. 458 Configuring an Application with aDeploymentDescriptor ................................................ 459 Including the Required JAR Files ............................................................................................. 466 Including the Classes, Pages, and Other Resources ............................................................... 466 15 Internationalizing and LocalizingWeb Applications ..................................................................467 Java Platform Localization Classes .................................................................................................. 467 Providing LocalizedMessages and Labels ...................................................................................... 468 Establishing the Locale .............................................................................................................. 468 Setting the Resource Bundle ..................................................................................................... 469 Retrieving LocalizedMessages ................................................................................................. 470 Date andNumber Formatting ......................................................................................................... 471 Character Sets and Encodings .......................................................................................................... 472 Character Sets ............................................................................................................................. 472 Character Encoding ................................................................................................................... 473 Further Information about Internationalizing Web Applications .............................................. 475 Part III Web Services .....................................................................................................................................477 16 BuildingWeb Services with JAX-WS ...............................................................................................479 Setting the Port .................................................................................................................................. 480 Creating a Simple Web Service and Client with JAX-WS ............................................................ 480 Requirements of a JAX-WS Endpoint ..................................................................................... 481 Coding the Service Endpoint Implementation Class ............................................................ 482 Building, Packaging, andDeploying the Service .................................................................... 482 Testing the Service without a Client ........................................................................................ 484 A Simple JAX-WS Client ........................................................................................................... 484 Types Supported by JAX-WS ........................................................................................................... 486 Web Services Interoperability and JAX-WS .................................................................................. 487 Further Information about JAX-WS ............................................................................................... 487 Contents 14 The Java EE 5Tutorial • September 2007 17 Binding between XML Schema and Java Classes ......................................................................... 489 JAXB Architecture ............................................................................................................................. 489 ArchitecturalOverview ............................................................................................................. 489 The JAXB Binding Process ........................................................................................................ 490 More about Unmarshalling ...................................................................................................... 492 More aboutMarshalling ............................................................................................................ 492 More about Validation .............................................................................................................. 492 Representing XML Content ............................................................................................................. 492 Java Representation of XML Schema ....................................................................................... 492 Binding XML Schemas ..................................................................................................................... 493 Simple TypeDefinitions ............................................................................................................ 493 DefaultData Type Bindings ..................................................................................................... 493 Customizing Generated Classes and Java Program Elements ..................................................... 495 Schema-to-Java .......................................................................................................................... 495 Java-to-Schema .......................................................................................................................... 496 JAXB Examples ................................................................................................................................. 501 JAXB Compiler Options ........................................................................................................... 503 JAXB Schema Generator Option ............................................................................................. 505 About the Schema-to-Java Bindings ........................................................................................ 505 Schema-Derived JAXB Classes ................................................................................................. 508 Basic JAXB Examples ........................................................................................................................ 511 ModifyMarshal Example .......................................................................................................... 511 Unmarshal Validate Example ................................................................................................... 512 Customizing JAXB Bindings ............................................................................................................ 514 Why Customize? ........................................................................................................................ 515 CustomizationOverview .......................................................................................................... 515 Customize Inline Example ........................................................................................................ 526 Datatype Converter Example ................................................................................................... 531 BindingDeclaration Files .......................................................................................................... 533 External Customize Example ................................................................................................... 536 Java-to-Schema Examples ................................................................................................................ 536 CreateMarshal Example ........................................................................................................... 537 XmlAccessorOrder Example .................................................................................................... 538 XmlAdapter Field Example ...................................................................................................... 540 XmlAttribute Field Example ..................................................................................................... 543 XmlRootElement Example ....................................................................................................... 544 Contents 15 XmlSchemaType Class Example .............................................................................................. 545 XmlType Example ..................................................................................................................... 546 Further Information about JAXB .................................................................................................... 548 18 Streaming API for XML ......................................................................................................................549 Why StAX? ........................................................................................................................................ 549 Streaming versusDOM ............................................................................................................. 549 Pull Parsing versus Push Parsing .............................................................................................. 550 StAX Use Cases .......................................................................................................................... 551 Comparing StAX to Other JAXP APIs .................................................................................... 551 StAX API ........................................................................................................................................... 552 Cursor API ................................................................................................................................. 553 Iterator API ................................................................................................................................ 553 Choosing between Cursor and Iterator APIs .......................................................................... 557 Using StAX ........................................................................................................................................ 559 StAX Factory Classes ................................................................................................................. 559 Resources,Namespaces, and Errors ........................................................................................ 561 Reading XML Streams ............................................................................................................... 561 Writing XML Streams ............................................................................................................... 564 Sun’s Streaming XML Parser Implementation .............................................................................. 566 Reporting CDATA Events ......................................................................................................... 566 Streaming XML Parser Factories Implementation ................................................................ 566 Example Code ................................................................................................................................... 567 Example Code Organization .................................................................................................... 567 Example XMLDocument ......................................................................................................... 568 Cursor Example .......................................................................................................................... 568 Cursor-to-Event Example ......................................................................................................... 571 Event Example ............................................................................................................................ 573 Filter Example ............................................................................................................................ 575 Read-and-Write Example ......................................................................................................... 578 Writer Example .......................................................................................................................... 580 Further Information about StAX ..................................................................................................... 583 19 SOAP with Attachments API for Java ............................................................................................. 585 Overview of SAAJ .............................................................................................................................. 586 Contents 16 The Java EE 5Tutorial • September 2007 SAAJMessages ........................................................................................................................... 586 SAAJ Connections ..................................................................................................................... 589 SAAJ Tutorial .................................................................................................................................... 590 Creating and Sending a SimpleMessage ................................................................................. 591 Adding Content to theHeader ................................................................................................. 598 Adding Content to the SOAPPart Object ................................................................................. 599 Adding aDocument to the SOAP Body .................................................................................. 600 ManipulatingMessage Content Using SAAJ orDOMAPIs ................................................ 601 Adding Attachments .................................................................................................................. 601 Adding Attributes ...................................................................................................................... 603 Using SOAP Faults ..................................................................................................................... 608 Code Examples ................................................................................................................................. 613 Request Example ........................................................................................................................ 613 Header Example ......................................................................................................................... 614 DOMandDOMSource Examples ........................................................................................... 617 Attachments Example ............................................................................................................... 622 SOAP Fault Example ................................................................................................................. 624 Further Information about SAAJ .................................................................................................... 627 Part IV Enterprise Beans ...............................................................................................................................629 20 Enterprise Beans ...............................................................................................................................631 What Is an Enterprise Bean? ............................................................................................................ 631 Benefits of Enterprise Beans ..................................................................................................... 631 When to Use Enterprise Beans ................................................................................................. 632 Types of Enterprise Beans ......................................................................................................... 632 What Is a Session Bean? .................................................................................................................... 633 StateManagementModes ......................................................................................................... 633 When to Use Session Beans ...................................................................................................... 634 What Is aMessage-Driven Bean? .................................................................................................... 634 WhatMakesMessage-Driven Beans Different fr

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nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台启动脚本nacos 后台

Java SpringBoot Vue 毕业设计/节课作业【10个完整项目+源码+数据库+毕设论文+视频部署讲解】

2024-11-06 上传
Java 毕业设计/节课作业【10个完整项目+源码+数据库+毕设论文+视频部署讲解】， 1智能摄影分享网站系统， 2智能养老院管理系统， 3智能考编论坛网站的设计与实现， 4智能仓库管理系统， 5智能足球社区管理系统， 6智能社区物资交易互助平台， 7智能校园失物招领系统， 8智能it职业生涯规划系统--论文， 9智能javaweb的新能源充电系统pf， 10智能“共享书角”图书借还管理系统--论文

基于python + openCV 实现的人脸识别

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【作品名称】：基于python + openCV 实现的人脸识别 【适用人群】：适用于希望学习不同技术领域的小白或进阶学习者。可作为毕设项目、课程设计、大作业、工程实训或初期项目立项。 【项目介绍】：实验环境 python 2.7 numpy 1.12.1 Pillow 4.1.1 openCV 2.4.13 人脸识别程序主要分为三个部分： 创建一个dataset：datasetCreator.py 训练识别器：trainner.py 检测器：detector.py dataset 通过摄像头每隔0.1s检测一次人脸，并将检测到的人脸储存至dataSet路径下(如果没有，需要自己创建) trainner 使用openCV自带的LBP人脸特征值提取方法对dataSet路径下的所有人脸进行识别训练 生成训练文件trainningData.yml存放在recognizer路径下 detector 使用训练后的识 【资源声明】：本资源作为“参考资料”而不是“定制需求”，代码只能作为参考，不能完全复制照搬。需要有一定的基础看懂代码，自行调试代码并解决报错，能自行添加功能修改代码。
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