1.action
package com.michael.logindemo.action;
import java.text.SimpleDateFormat;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.ServletActionContext;
import com.michael.logindemo.service.LoginService;
import com.opensymphony.xwork2.ActionSupport;
public class LoginAction extends ActionSupport {
/**
*
*/
private static final long serialVersionUID = -3956302064077854639L;
private String username;
private String password;
private String newPassword;
private String birthday;
private LoginService loginService;
public String login() {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
simpleDateFormat.format(birthday);
loginService = new LoginService();
boolean isPasswordCorrect = loginService.verifyPassword(username, password);
if(isPasswordCorrect) {
HttpServletRequest request = ServletActionContext.getRequest();
request.getSession().setAttribute("username", username);
return "loginSuccess";
}
return "loginError";
}
public String modifyPassword() {
loginService = new LoginService();
if(loginService.modifyPassword(username, password, newPassword)) {
return "modifyPasswordSuccess";
}
return "modifyPasswordError";
}
public String getNewPassword() {
return newPassword;
}
public void setNewPassword(String newPassword) {
this.newPassword = newPassword;
}
public LoginService getLoginService() {
return loginService;
}
public void setLoginService(LoginService loginService) {
this.loginService = loginService;
}
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;
}
public String getBirthday() {
return birthday;
}
public void setBirthday(String birthday) {
this.birthday = birthday;
}
}
2.struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="default" extends="struts-default" namespace="/" >
<interceptors>
<interceptor name="helloInterceptor" class="com.michael.logindemo.interceptor.HelloInterceptor"></interceptor>
</interceptors>
<action name="login_*" class="com.michael.logindemo.action.LoginAction" method="{1}" converter="">
<interceptor-ref name="helloInterceptor"></interceptor-ref>
<result name="loginSuccess">login/loginSuccess.jsp</result>
<result name="loginError">login/loginError.jsp</result>
<result name="modifyPasswordSuccess">login/modifyPasswordSuccess.jsp</result>
<result name="modifyPasswordError">login/modifyPasswordError.jsp</result>
</action>
</package>
</struts>
3.interceptor
package com.michael.logindemo.interceptor;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.Interceptor;
public class HelloInterceptor implements Interceptor {
/**
*
*/
private static final long serialVersionUID = -6597833693985491134L;
public void destroy() {
}
public void init() {
}
public String intercept(ActionInvocation ai) throws Exception {
System.out.println("hello interceptor");
return ai.invoke();
}
}
4.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<link rel="stylesheet" type="text/css" href="styles.css">
</head>
<body>
<form name="loginform" method="post" action="login_login.action">
<label>用户名<input type="text" name="username"></label><br>
<label>密 码<input type="text" name="password"></label><br>
<label>生 日<input type="text" name="birthday"></label><br>
<label><input type="submit" name="Submit" value="提交"></label>
</form>
</body>
</html>
再没有使用interceptor的时候action中可以获得jsp中form表单的值,但是在使用了一个简单的不能够再简单的interceptor之后,action中就无法获得jsp中form表单内填写的值了,在用myeclipse debug的时候,username,password,birthday都是null值,百思不得其- -.......
