Spring 5实战指南：问题解决之道（第4版）

Spring

Recipes

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《Apress.Spring.5.Recipes.A.Problem-Solution.Approach.4th.Edition》是一本专注于Spring 5框架问题解决方案的专业书籍。它由Marten Deinum、Daniel Rubio和Josh Long合著，旨在帮助读者解决在开发企业级Java应用过程中遇到的各种挑战。该书采用了问题-解决方案的方法，提供详尽且实战的代码示例，使得新项目启动时，开发者可以直接引用书中的代码和配置文件，并根据需求进行调整，大大节省了从零开始创建项目的精力。书中涵盖了Spring 5的核心概念，如依赖注入（IoC）容器、面向切面编程（AOP）和AspectJ等基础知识。此外，还深入探讨了Spring在企业解决方案中的应用，包括Spring与Java EE集成、Spring Integration、Spring Batch处理任务、远程调用、消息传递、事务管理以及在大数据和云计算环境（如Hadoop和MongoDB）下的操作。对于新兴技术，本书也有所涉及，如Spring 5框架的最新特性、反应式Spring的设计理念、微服务架构以及功能型Web框架等。另外，对于Spring MVC、动态脚本集成、与Grails框架（及Groovy）的整合、RESTful/web服务等方面也有详尽的讲解。每一章都围绕着具体问题给出解决方案，让读者能够快速理解和应用到实际项目中。这本书是前几版畅销书的延续，特别关注Spring Framework的最新发展，适合有一定Spring基础的开发人员提升技能，或者作为学习和参考的重要资源。作者们在各自的地域——荷兰的Meppel、墨西哥的Ensenada以及美国的Canyon Country合作编写，确保了内容的权威性和实用性。本书具有国际化的出版信息，包括纸质书的ISBN-13编号和电子版的ISBN-13编号，以及电子版的DOI和Library of Congress Control Number，强调了版权保护。《Apress.Spring.5.Recipes.A.Problem-Solution.Approach.4th.Edition》是一本不可多得的Spring 5技术指南，为读者提供了丰富的实践经验和理论指导。

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■ Contents

7-6. Handle Security in Views ...................................................................................... 330

Problem .............................................................................................................................................. 330

Solution...............................................................................................................................................330

How It Works ....................................................................................................................................... 330

7-7. Handle Domain Object Security ............................................................................ 332

Problem .............................................................................................................................................. 332

Solution...............................................................................................................................................332

How It Works ....................................................................................................................................... 332

7-8. Add Security to a WebFlux Application.................................................................. 340

Problem .............................................................................................................................................. 340

Solution...............................................................................................................................................340

How It Works ....................................................................................................................................... 340

Summary ...................................................................................................................... 344

■Chapter 8: Spring Mobile �� 345

8-1. Detect Devices Without Spring Mobile .................................................................. 345

Problem .............................................................................................................................................. 345

Solution...............................................................................................................................................345

How It Works ....................................................................................................................................... 345

8-2. Detect Devices with Spring Mobile ....................................................................... 350

Problem .............................................................................................................................................. 350

Solution...............................................................................................................................................350

How It Works ....................................................................................................................................... 350

8-3. Use Site Preferences ............................................................................................ 352

Problem .............................................................................................................................................. 352

Solution...............................................................................................................................................352

How It Works ....................................................................................................................................... 352

8-4. Use the Device Information to Render Views ........................................................ 354

Problem .............................................................................................................................................. 354

Solution...............................................................................................................................................354

How It Works ....................................................................................................................................... 354

■ Contents

xvi

8-5. Implement Site Switching ..................................................................................... 358

Problem .............................................................................................................................................. 358

Solution...............................................................................................................................................358

How It Works ....................................................................................................................................... 358

Summary ...................................................................................................................... 360

■Chapter 9: Data Access �� 361

Problems with Direct JDBC .......................................................................................... 362

Setting Up the Application Database ............................................................................ 362

Understanding the Data Access Object Design Pattern ...................................................................... 363

Implementing the DAO with JDBC ................................................................................ 364

Conﬁguring a Data Source in Spring ............................................................................ 366

Running the DAO .......................................................................................................... 368

Taking It a Step Further ................................................................................................ 368

9-1. Use a JDBC Template to Update a Database ......................................................... 368

Problem .............................................................................................................................................. 368

Solution...............................................................................................................................................369

How It Works ....................................................................................................................................... 369

9-2. Use a JDBC Template to Query a Database........................................................... 373

Problem .............................................................................................................................................. 373

Solution...............................................................................................................................................374

How It Works ....................................................................................................................................... 374

9-3. Simplify JDBC Template Creation ......................................................................... 379

Problem .............................................................................................................................................. 379

Solution...............................................................................................................................................379

How It Works ....................................................................................................................................... 379

■ Contents

xvii

9-4. Use Named Parameters in a JDBC Template ........................................................ 382

Problem .............................................................................................................................................. 382

Solution...............................................................................................................................................382

How It Works ....................................................................................................................................... 382

9-5. Handle Exceptions in the Spring JDBC Framework .............................................. 384

Problem .............................................................................................................................................. 384

Solution...............................................................................................................................................384

How It Works ....................................................................................................................................... 385

9-6. Avoid Problems by Using ORM Frameworks Directly ............................................ 389

Problem .............................................................................................................................................. 389

Solution...............................................................................................................................................389

How It Works ....................................................................................................................................... 389

9-7. Conﬁgure ORM Resource Factories in Spring ....................................................... 398

Problem .............................................................................................................................................. 398

Solution...............................................................................................................................................399

How It Works ....................................................................................................................................... 399

9-8. Persist Objects with Hibernate’s Contextual Sessions.......................................... 406

Problem .............................................................................................................................................. 406

Solution...............................................................................................................................................406

How It Works ....................................................................................................................................... 407

9-9. Persist Objects with JPA’s Context Injection ......................................................... 409

Problem .............................................................................................................................................. 409

Solution...............................................................................................................................................409

How It Works ....................................................................................................................................... 409

9-10. Simplify JPA with Spring Data JPA ..................................................................... 412

Problem .............................................................................................................................................. 412

Solution...............................................................................................................................................412

How It Works ....................................................................................................................................... 413

Summary ...................................................................................................................... 414

■ Contents

xviii

■Chapter 10: Spring Transaction Management �� 415

10-1. Avoid Problems with Transaction Management .................................................. 416

Manage Transactions with JDBC Commit and Rollback ..................................................................... 422

10-2. Choose a Transaction Manager Implementation ................................................. 423

Problem .............................................................................................................................................. 423

Solution...............................................................................................................................................423

How It Works ....................................................................................................................................... 423

10-3. Manage Transactions Programmatically with the Transaction Manager API ...... 424

Problem .............................................................................................................................................. 424

Solution...............................................................................................................................................425

How It Works ....................................................................................................................................... 425

10-4. Manage Transactions Programmatically with a Transaction Template ............... 427

Problem .............................................................................................................................................. 427

Solution...............................................................................................................................................427

How It Works ....................................................................................................................................... 427

10-5. Manage Transactions Declaratively with the @Transactional Annotation ........... 430

Problem .............................................................................................................................................. 430

Solution...............................................................................................................................................430

How It Works ....................................................................................................................................... 430

10-6. Set the Propagation Transaction Attribute .......................................................... 431

Problem .............................................................................................................................................. 431

Solution...............................................................................................................................................431

How It Works ....................................................................................................................................... 432

10-7. Set the Isolation Transaction Attribute ................................................................ 436

Problem .............................................................................................................................................. 436

Solution...............................................................................................................................................436

How It Works ....................................................................................................................................... 437

10-8. Set the Rollback Transaction Attribute ................................................................ 444

Problem .............................................................................................................................................. 444

Solution...............................................................................................................................................444

How It Works ....................................................................................................................................... 444

■ Contents

xix

10-9. Set the Timeout and Read-Only Transaction Attributes ...................................... 444

Problem .............................................................................................................................................. 444

Solution...............................................................................................................................................445

How It Works ....................................................................................................................................... 445

10-10. Manage Transactions with Load-Time Weaving ................................................ 445

Problem .............................................................................................................................................. 445

Solution...............................................................................................................................................445

How It Works ....................................................................................................................................... 446

Summary ...................................................................................................................... 446

■Chapter 11: Spring Batch �� 447

Runtime Metadata Model ............................................................................................. 448

11-1. Set Up Spring Batch’s Infrastructure .................................................................. 449

Problem .............................................................................................................................................. 449

Solution...............................................................................................................................................449

How It Works ....................................................................................................................................... 449

11-2. Read and Write Data ........................................................................................... 453

Problem .............................................................................................................................................. 453

Solution...............................................................................................................................................453

How It Works ....................................................................................................................................... 453

11-3. Write a Custom ItemWriter and ItemReader ....................................................... 460

Problem .............................................................................................................................................. 460

Solution...............................................................................................................................................460

How It Works ....................................................................................................................................... 460

11-4. Process Input Before Writing .............................................................................. 463

Problem .............................................................................................................................................. 463

Solution...............................................................................................................................................463

How It Works ....................................................................................................................................... 463