AngularIO第二天课程详解与回顾(2018.11.15)

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AngularIO,也常被称为Angular,是谷歌开发的用于构建动态Web应用的开源前端框架。它主要用于单页应用程序(SPA)的开发。Angular的核心是其数据绑定和依赖注入的特性,可以帮助开发者构建具有模块化功能的应用程序。 从提供的标题和描述来看,该文件涉及的是AngularIO学习的第二天内容,时间标记为2018年11月15日。这表明了文件内容可能涵盖了Angular框架的进阶学习,或特定的技术点讲解,如组件交互、服务、路由、表单处理、HTTP客户端、以及最佳实践等。 由于文件名称列表只提供了一个文件的名称,我们可以推测该文件可能是一个教学视频、演示文稿、实例代码库或者是一个综合文档,包含了对AngularIO第二天课程内容的详细描述或总结。 以下是关于AngularIO第二天课程可能包含的知识点: 1. 组件通信:在Angular中,组件之间的通信可以使用Input、Output装饰器,也可以通过服务(Service)来实现。第二天的课程可能会讨论不同组件之间如何进行数据传递和事件传递。 2. 管道(Pipes):管道是Angular提供的一个用于转换显示数据的机制。在课程中,学生可能会学习如何创建自定义管道、如何使用内置管道以及如何在模板中应用它们。 3. 模板语法:深入学习Angular的模板语法是第二天课程的重要部分,可能包括数据绑定、事件绑定、双向数据绑定、条件渲染、列表渲染等。 4. 表单处理:表单在Web应用中十分常见。第二天的课程可能覆盖了Angular的响应式表单和模板驱动表单,以及如何使用表单验证器来处理用户输入。 5. 路由(Routing):Angular的路由系统允许用户在单页应用程序中创建多视图,并导航到不同的视图。第二天可能涉及如何设置和使用路由,以及如何在视图之间传递参数。 6. HTTP客户端:在Angular中,HTTP客户端模块可以用来与后端API进行交云。课程可能会讲解如何发送HTTP请求、处理响应以及如何使用RxJS来处理异步数据流。 7. 高级指令和组件:深入探讨Angular中的指令(Directives)和组件(Components)的高级用法,比如自定义指令的创建,以及如何在组件之间共享数据和逻辑。 8. 单元测试:单元测试是保证代码质量的重要手段。第二天的课程可能会教授如何对Angular应用的组件、服务进行单元测试,使用测试工具如Karma或Jasmine。 9. 构建和部署:课程还可能包括如何构建Angular应用以及将其部署到生产环境的讲解,涵盖构建工具的配置(如Webpack)和部署策略。 需要注意的是,以上知识点是从标题和描述推断出的潜在内容,并非文件实际内容的确切说明。如果需要了解具体细节,建议查阅相关的教学资源或课程文档。

java.lang.ExceptionInInitializerError at com.example.demo.MyBatisExampleDemoTest.test1(MyBatisExampleDemoTest.java:23) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55) Caused by: org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession. ### The error may exist in SQL Mapper Configuration ### Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.datasource.DataSourceException: Unknown DataSource property: serverTimezone at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:52) at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:36) at com.bosssoft.hr.train.j2se.mybatis.utils.MyBatisUtils.<clinit>(MyBatisUtils.java:27) ... 28 more Caused by: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.datasource.DataSourceException: Unknown DataSource property: serverTimezone at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:122) at org.apache.ibatis.builder.xml.XMLConfigBuilder.parse(XMLConfigBuilder.java:99) at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:50) ... 30 more Caused by: org.apache.ibatis.datasource.DataSourceException: Unknown DataSource property: serverTimezone at org.apache.ibatis.datasource.unpooled.UnpooledDataSourceFactory.setProperties(UnpooledDataSourceFactory.java:55) at org.apache.ibatis.builder.xml.XMLConfigBuilder.dataSourceElement(XMLConfigBuilder.java:329) at org.apache.ibatis.builder.xml.XMLConfigBuilder.environmentsElement(XMLConfigBuilder.java:283) at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:117) ... 32 more

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java.lang.ExceptionInInitializerError at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:422) at org.junit.runners.BlockJUnit4ClassRunner.createTest(BlockJUnit4ClassRunner.java:195) at org.junit.runners.BlockJUnit4ClassRunner$1.runReflectiveCall(BlockJUnit4ClassRunner.java:244) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.BlockJUnit4ClassRunner.methodBlock(BlockJUnit4ClassRunner.java:241) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.junit.runner.JUnitCore.run(JUnitCore.java:160) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54) Caused by: org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession. ### The error may exist in mappers/categoryMapper.xml ### Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: java.io.IOException: Could not find resource mappers/categoryMapper.xml at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:82) at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:66) at Test.<clinit>(Test.java:19) ... 23 more Caused by: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: java.io.IOException: Could not find resource mappers/categoryMapper.xml at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:115) at org.apache.ibatis.builder.xml.XMLConfigBuilder.parse(XMLConfigBuilder.java:95) at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:80) ... 25 more Caused by: java.io.IOException: Could not find resource mappers/categoryMapper.xml at org.apache.ibatis.io.Resources.getResourceAsStream(Resources.java:114) at org.apache.ibatis.io.Resources.getResourceAsStream(Resources.java:100) at org.apache.ibatis.builder.xml.XMLConfigBuilder.mapperElement(XMLConfigBuilder.java:338) at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:113) ... 27 more

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com.bes.enterprise.appserv.deployment.exception.StartupFailedException: Exception occurred while starting the application. at com.bes.enterprise.appserv.deployment.manager.AppDeployManager$2.run(AppDeployManager.java:253) at com.bes.enterprise.appserv.deployment.manager.AppDeployManager.applyDeploymentContext(AppDeployManager.java:297) at com.bes.enterprise.appserv.deployment.manager.AppDeployManager.doLoad(AppDeployManager.java:245) at com.bes.enterprise.appserv.deployment.manager.ApplicationLifecycle.load(ApplicationLifecycle.java:77) at com.bes.enterprise.appserv.deployment.AppDeployer.load(AppDeployer.java:264) at com.bes.enterprise.appserv.deployment.handler.EnableApplicationHandler.doLoad(EnableApplicationHandler.java:133) at com.bes.enterprise.appserv.deployment.handler.EnableApplicationHandler.load(EnableApplicationHandler.java:71) at com.bes.enterprise.appserv.deployment.handler.EnableApplicationHandler.doApplicationProcess(EnableApplicationHandler.java:54) at com.bes.enterprise.appserv.deployment.handler.AbstractApplicationHandler$1.call(AbstractApplicationHandler.java:69) at com.bes.enterprise.appserv.deployment.handler.AbstractApplicationHandler$1.call(AbstractApplicationHandler.java:66) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:750) at com.bes.enterprise.appserv.deployment.handler.AbstractApplicationHandler$TerminableThread.run(AbstractApplicationHandler.java:177) Caused by: com.bes.enterprise.ejb.BESException: Creating application failed: /besweb/webapp/prpall: ContainerBase.addChild: start: com.bes.enterprise.webtier.LifecycleException: Failed to start component [WebEngine[com.bes.appserv].VirtualHost[server].DefaultContext[/prpall]] at com.bes.enterprise.ejb.assembler.classic.assemblercontext.ApplicationDeployer.doCreateApplication(ApplicationDeployer.java:458) at com.bes.enterprise.ejb.assembler.classic.assemblercontext.ApplicationDeployer.createApplication(ApplicationDeployer.java:342) at com.bes.enterprise.ejb.assembler.classic.assemblercontext.ApplicationDeployer.createApplication(ApplicationDeployer.java:331) at com.bes.enterprise.ejb.assembler.classic.Assembler.createApplication(Assembler.java:258) at com.bes.enterprise.appserv.deployment.manager.AppDeployManager$2.run(AppDeployManager.java:251) ... 14 more Caused by: java.lang.IllegalStateException: ContainerBase.addChild: start: com.bes.enterprise.webtier.LifecycleException: Failed to start component [WebEngine[com.bes.appserv].VirtualHost[server].DefaultContext[/prpall]] at com.bes.enterprise.webtier.core.ContainerBase.addChildInternal(ContainerBase.java:745) at com.bes.enterprise.webtier.core.ContainerBase.addChild(ContainerBase.java:717) at com.bes.enterprise.webtier.core.DefaultHost.addChild(DefaultHost.java:711) at com.bes.enterprise.webext.BESWebAppBuilder.deployWebApps(BESWebAppBuilder.java:511) at com.bes.enterprise.ejb.assembler.classic.assemblercontext.ApplicationDeployer.deployWebApps(ApplicationDeployer.java:1499) at com.bes.enterprise.ejb.assembler.classic.assemblercontext.ApplicationDeployer.doCreateApplication(ApplicationDeployer.java:437) ... 18 more

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java.lang.NullPointerException at com.example.machinepotest.mappertest.tes(mappertest.java:23) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:725) at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131) at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84) at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115) at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37) at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104) at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:214) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:210) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:135) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:66) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)

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