struts1.2简单实例

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项目概要

web.xml

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"version="2.5"xsi:schemaLocation="http://java.sun.com/xml/ns/javaee   http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"><servlet><servlet-name>action</servlet-name><servlet-class>org.apache.struts.action.ActionServlet</servlet-class><init-param><param-name>config</param-name><param-value>/WEB-INF/struts-config.xml</param-value></init-param><init-param><param-name>debug</param-name><param-value>3</param-value></init-param><init-param><param-name>detail</param-name><param-value>3</param-value></init-param><load-on-startup>0</load-on-startup></servlet><servlet-mapping><servlet-name>action</servlet-name><url-pattern>*.do</url-pattern></servlet-mapping><welcome-file-list><welcome-file>index.jsp</welcome-file></welcome-file-list></web-app>

structs-confing.xml

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" "http://struts.apache.org/dtds/struts-config_1_2.dtd"><struts-config><data-sources /><form-beans><form-bean name="loginForm" type="com.ysl.LoginActionForm"></form-bean></form-beans><global-exceptions /><global-forwards /><action-mappings><action path="/user/login" type="com.ysl.LoginAction" name="loginForm"scope="request" validate="false"><forward name="success" path="/login_success.jsp"></forward><forward name="error" path="/login_error.jsp"></forward></action></action-mappings><message-resources parameter="com.yourcompany.struts.ApplicationResources" /></struts-config>

LoginActionForm.java

package com.ysl;import org.apache.struts.action.ActionForm;public class LoginActionForm extends ActionForm {private String username;private String userpass;public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getUserpass() {return userpass;}public void setUserpass(String userpass) {this.userpass = userpass;}}

LoginAction.java

package com.ysl;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.Action;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;public class LoginAction extends Action {public ActionForward execute(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response)throws Exception {LoginActionForm laf = (LoginActionForm) form;String username = laf.getUsername();String userpass = laf.getUserpass();// 这里为了示例简单并没有调用业务逻辑层的方法if (username.equals("admin") && userpass.equals("admin")) { // 把用户名放在request中，// 登录成功后getAttrbute("username")取出request.setAttribute("username", username);request.setAttribute("hehe", "nimei");return mapping.findForward("success");} else {return mapping.findForward("error");}}}

<body>test struts<br><form action="user/login.do" method="post"><input type="text" name="username" /><input type="password" name="userpass" /><input type="submit" value="提交" /></form></body>

success.jsp

<body>success<br><%=request.getParameter("username")%><%=request.getParameter("userpass")%><%=request.getAttribute("hehe")%></body>

erro.jsp

<body>error<br><%=request.getParameter("username")%><%=request.getParameter("userpass")%></body>