Struts2 第一个入门案例

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jar：

<dependency>  <groupId>junit</groupId>  <artifactId>junit</artifactId>  <version>4.3</version>  <scope>test</scope></dependency><!--获取ServletAPI--><dependency>  <groupId>javaee</groupId>  <artifactId>javaee-api</artifactId>  <version>5</version></dependency><dependency>  <groupId>org.apache.struts</groupId>  <artifactId>struts2-core</artifactId>  <version>2.3.4.1</version></dependency><dependency><groupId>org.apache.struts.xwork</groupId><artifactId>xwork-core</artifactId><version>2.3.4.1</version></dependency>

web.xml

<!--Struts2 核心过滤器--><filter>  <filter-name>Struts2</filter-name>  <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class></filter><filter-mapping>  <filter-name>Struts2</filter-name>  <url-pattern>/*</url-pattern></filter-mapping>

struts.xml:

<!--Struts2 核心过滤器--><filter>    <filter-name>Struts2</filter-name>    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class></filter><filter-mapping><filter-name>Struts2</filter-name><url-pattern>/*</url-pattern></filter-mapping>

action类：

package cn.bdqn.action;import com.opensymphony.xwork2.Action;public class UserAction implements Action {    public String execute() throws Exception {        return SUCCESS;    }}

struts标签页面：

<%@ taglib prefix="s" uri="/struts-tags" %><%@ page contentType="text/html;charset=UTF-8" language="java" %><html><head>    <title>Title</title></head><body>  <s:form method="POST" action="userAction">      <%--性能低--%>      请输入用户名： <s:textfield  name="username"></s:textfield> <br/>      <s:textfield name="password"></s:textfield><br/>      <s:submit value="登陆"></s:submit>  </s:form></body></html>

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