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struts2 / 入门之用户登录

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作者 正文
   发表时间:2009-07-03   最后修改:2009-09-21

    web.xml配置

  <!-- 注册Struts2的核心控制器 -->
  <filter>
  	<filter-name>struts2</filter-name>
  	<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
  </filter>
  <filter-mapping>
  	<filter-name>struts2</filter-name>
  	<url-pattern>/*</url-pattern>
  </filter-mapping>
  
  <!-- 欢迎界面配置 -->
  <welcome-file-list>
    <welcome-file>login.jsp</welcome-file>
  </welcome-file-list>
</web-app>

 

 

    struts.xml配置

<struts>
	<package name="pk_login" extends="struts-default" namespace="/ns_login">
		<action name="login" class="com.lsc.alan.action.LoginAction" method="login">
			<result name="success">/success.jsp</result>
			<result name="failure" type="redirect">/failure.jsp</result>
		</action>
	</package>
</struts>

 

   

    LoginAction.java

package com.lsc.alan.action;
/**
 * Struts2入门,简易用户登录
 * @author Alan
 * 时间:2009年7月3日
 */
public class LoginAction {
	
	/** 用户名 **/
	private String username;
	/** 密码 **/
	private String password;
	
	public String getUsername() {
		return username;
	}

	public void setUsername(String username) {
		this.username = username;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	/**
	 * 用户登录
	 * @return
	 */
	public String login(){
		if (username.equals("Alan") && username.equals("Alan")){
			return "success";
		} else {
			return "failure";
		}
	}
	
}

 

  

    login.jsp

<%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
  <head>
	<title>My Login.jsp</title>
  </head>
  <body>
  	<center>
  	<h2>简易用户登录(Struts2)</h2>
  	<br>
  	<hr>
    <s:form action="login" namespace="/ns_login" theme="simple">
    	<table border="1" cellpadding="5" cellspacing="0" width="30%">
	    	<tr>
	    		<td width="35%">用户名</td>
	    		<td><s:textfield name="username"></s:textfield></td>
	    	</tr>
	    	<tr>
	    		<td>密&nbsp;&nbsp;&nbsp;&nbsp;码</td>
	    		<td><s:textfield name="password"></s:textfield></td>
	    	</tr>
	    	<tr>
	    		<td align="center"><s:submit value="登录"></s:submit></td>
	    		<td align="center"><s:reset value="重置"></s:reset></td>
	    	</tr>
    	</table>
    </s:form>
    </center>
  </body>
</html>

 

 

    success.jsp

<%@ page language="java" pageEncoding="UTF-8"%>
<html>
  <head>
    <title>My JSP 'success.jsp' starting page</title>
  </head>
  
  <body>
  ${username },Welcome to strut2 world!
  </body>
</html>

 

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