IDEA中创建Struts2项目与简单测试

1、创建新项目:

步骤:

1)、new project中选择“java Enterprise"

2)、选中系统中安装的jdk路径

3)、选中系统中Tomcat安装路径

4)、项目中勾选Web Application与Struts2

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点击下一步,出现如下图所示界面


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点击"Finish"完成,出现如下图所示界面:

待会测试时,会出现报错,是由于IDEA提供的jar包不够,缺少几个jar包

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2、相关配置:

2.1、web.xml配置

org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter

改为org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter

如下图:

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2.2、struts.xml配置如下图:

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2.3、添加HelloWorld.jsp,如下图:

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2.4、添加jar包;

原因:IDEA中创建的Struts2项目jar包不够,若不添加,将出现如下报错:

[2018-09-15 03:29:17,009] Artifact StructDemo:war exploded: Artifact is being deployed, please wait...

15-Sep-2018 15:29:17.349 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal One or more Filters failed to start. Full details will be found in the appropriate container log file

15-Sep-2018 15:29:17.349 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal Context [] startup failed due to previous errors

[2018-09-15 03:29:17,380] Artifact StructDemo:war exploded: Error during artifact deployment. See server log for details.

15-Sep-2018 15:29:26.833 信息 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [D:\myplace\apache-tomcat-9.0.12\webapps\manager]

15-Sep-2018 15:29:26.880 信息 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [D:\myplace\apache-tomcat-9.0.12\webapps\manager] has finished in [47] ms

添加jar包步骤:

1)下载jar包,下载min版本即可,如下图:


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2)添加缺少jar包到项目中

    2.1)

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    2.2)对比发现缺少这三个包:

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    2.3)点击apply  OK 添加后,如下图

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2.4)将添加jar包添加到项目中

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项目名称右键后点击“Put into Output Root",将在左边WEB-INF的lib目录下看到jar包

点击Apply  OK

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3、测试运行

点击run ,成功运行

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输入localhost:8080/hello

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done;

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