struts2_HelloWorld

发布时间：2020-12-14 06:26:08 所属栏目：Java 来源：网络整理

导读：第一个Struts2程序-Hello 1.创建web工程struts2-01-Hello 2.导入jar包到bin目录,jar地址: https://files.cnblogs.com/files/aihuadung/struts%E6%89%80%E9%9C%80jar%E5%8C%85.zip 3.配置web.xml文件 span style="color: #0000ff"! span style="color: #ff00f

第一个Struts2程序-Hello

　　1.创建web工程struts2-01-Hello

　　2.导入jar包到bin目录,jar地址:

　　https://files.cnblogs.com/files/aihuadung/struts%E6%89%80%E9%9C%80jar%E5%8C%85.zip

　　3.配置web.xml文件

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems,Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">

<web-app id="WebApp_ID">

<span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;display-name</span><span style="color: #0000ff"&gt;></span>struts2_01_Hello<span style="color: #0000ff"&gt;</</span><span style="color: #800000"&gt;display-name</span><span style="color: #0000ff"&gt;></span>

  <span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;filter-name</span><span style="color: #0000ff"&gt;></span>struts2<span style="color: #0000ff"&gt;</</span><span style="color: #800000"&gt;filter-name</span><span style="color: #0000ff"&gt;></span>

<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>

</filter>

<filter-mapping>

  <span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;filter-name</span><span style="color: #0000ff"&gt;></span>struts2<span style="color: #0000ff"&gt;</</span><span style="color: #800000"&gt;filter-name</span><span style="color: #0000ff"&gt;></span>

  <span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;url-pattern</span><span style="color: #0000ff"&gt;></span>/*<span style="color: #0000ff"&gt;</</span><span style="color: #800000"&gt;url-pattern</span><span style="color: #0000ff"&gt;></span>

</filter-mapping>

<span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;welcome-file-list</span><span style="color: #0000ff"&gt;></span>

   <span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;welcome-file</span><span style="color: #0000ff"&gt;></span>index.html<span style="color: #0000ff"&gt;</</span><span style="color: #800000"&gt;welcome-file</span><span style="color: #0000ff"&gt;></span>

   <span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;welcome-file</span><span style="color: #0000ff"&gt;></span>index.htm<span style="color: #0000ff"&gt;</</span><span style="color: #800000"&gt;welcome-file</span><span style="color: #0000ff"&gt;></span>

   <span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;welcome-file</span><span style="color: #0000ff"&gt;></span>index.jsp<span style="color: #0000ff"&gt;</</span><span style="color: #800000"&gt;welcome-file</span><span style="color: #0000ff"&gt;></span>

<span style="color: #0000ff"&gt;</</span><span style="color: #800000"&gt;welcome-file-list</span><span style="color: #0000ff"&gt;></span>

</web-app>

　　4.src目录下创建struts.xml文件

　　5.在index.jsp文件中插入

hello.action

　　6.创建执行HelloAction的结果文件hello.jsp

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;title</span><span style="color: #0000ff"&gt;></span>hello<span style="color: #0000ff"&gt;</</span><span style="color: #800000"&gt;title</span><span style="color: #0000ff"&gt;></span>

<!--

-->

</head>

<body>

hello World </span><span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;br</span><span style="color: #0000ff"&gt;></span>

</body>

</html>

　　7.创建HelloAction.java

import com.opensymphony.xwork2.Action;

import com.opensymphony.xwork2.ActionSupport;

public class HelloAction{

     </span><span style="color: #0000ff"&gt;public</span> String execute() <span style="color: #0000ff"&gt;throws</span><span style="color: #000000"&gt; Exception {

               </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; TODO Auto-generated method stub</span>

               <span style="color: #0000ff"&gt;return</span><span style="color: #000000"&gt; “SUCCESS”;

     }

}

　　8.编辑struts2.xml文件

<!DOCTYPE struts PUBLIC

"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"

"http://struts.apache.org/dtds/struts-2.3.dtd">

  <span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;action </span><span style="color: #ff0000"&gt;name</span><span style="color: #0000ff"&gt;="hello"</span><span style="color: #ff0000"&gt; class</span><span style="color: #0000ff"&gt;="com.ahd.action.HelloAction"</span><span style="color: #0000ff"&gt;></span>

    <span style="color: #0000ff"&gt;<</span><span style="color: #800000"&gt;result </span><span style="color: #ff0000"&gt;name</span><span style="color: #0000ff"&gt;="success"</span><span style="color: #0000ff"&gt;></span>/hello.jsp<span style="color: #0000ff"&gt;</</span><span style="color: #800000"&gt;result</span><span style="color: #0000ff"&gt;></span>

  <span style="color: #0000ff"&gt;</</span><span style="color: #800000"&gt;action</span><span style="color: #0000ff"&gt;></span>

</package>

</struts>

　　9.运行结果

　　点击后

（编辑：李大同）

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