需要在out.println("xxxx")后加入如下的代码 out.close()
package com.zb.web.action;
import java.io.PrintWriter;
import java.util.Map;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.zb.domain.Employee;
import com.zb.service.interfac.EmployeeServiceInter;
public class LoginAction extends ActionSupport {
private String id;
private String password;
private Map session = ActionContext.getContext().getSession(); ;
private HttpServletResponse response = ServletActionContext.getResponse();
private HttpServletRequest request = ServletActionContext.getRequest();
private EmployeeServiceInter employeeService;
//定义计数器，测试是否是一个sessionfactory
private int a;
public EmployeeServiceInter getEmployeeService() {
return employeeService;
}
@Resource
public void setEmployeeService(EmployeeServiceInter employeeService) {
this.employeeService = employeeService;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String checkEmp() throws Exception {
//ͨ������������spring��ʵ��˷�������
// WebApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(ServletActionContext.getServletContext());
//��spring�л�ȡbean
// EmployeeServiceInter employeeServiceInter= (EmployeeServiceInter) ctx.getBean("employeeService");
//��a��ֵ�Ƿ�仯��֤ÿ������ʱaction�Ƿ���һ���������һ���Ļ���a��ֵ�������ӣ�����ǣ���aһֱ��0
//����һ��employee����
//System.out.println("a="+(++a));
if(request.getParameter("password")!=null&&request.getParameter("id")!=null) {
id=request.getParameter("id");
password=request.getParameter("password");
}
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
System.out.println(id);
System.out.println(password);
Employee e = new Employee();
e.setId(Integer.parseInt(id));
e.setPassword(password);
e = employeeService.checkEmployee(e);
if(e!=null){
//将登陆的用户信心放到session中
session.put("loginUser",e);
if(e.getGrade()==5){
return "admin";
}else{
return "putong";
}
}else{
out.println("用户名或者密码错误");
out.close();
return INPUT;
}
/*if("1".equals(id)&&"123".equals(password)){
return SUCCESS;
}else{
this.addFieldError("flag","id���������������������");
return INPUT;
}*/
}
//注销用户
public String cancellationEmp(){
session.clear();
return SUCCESS;
}
}
登录界面
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@taglib prefix="s" uri="/struts-tags" %> <% 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> <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"> <title>用户登录界面</title> <style type="text/css"> .login{ font-family: Arial; font-size: 14px; } .newStyle { opacity: 0.5; Box-shadow: 5px 5px 5px rgba(0,0.5) ; padding:10px; width:300px; height:50px; border: 5px solid #dedede; -moz-border-radius: 15px; border-radius:15px; background: -moz-radial-gradient(30px 30px,circle farthest-corner,#58ff00 0%,rgba(222,255,0) 30%); vertical-align: middle; } </style> <script type="text/javascript" src="/myFirstSSH03/js/myjs2.js"></script> </head> <body topmargin="150px"> <center> <p></p> <form action="check_loginAction" method="post"> <fieldset id="inputs" style="width: 400; height: 150" class="newStyle"><br> <legend>雇员登录</legend> id：<input type="text" class="login" id="name" name="id" placeholder="请输入id" > <br><br> 密码：<input type="password" class="login" name="password" id="pwd" placeholder="请输入密码" ><div id="div1"></div><br><br> </fieldset> <input type="submit" value="登录"> <input type="reset" value="重置"> </form> </center> </body> </html>
myjs2.js
function ajaxFunction()
{
var xmlHttp;
try{
// Firefox,Opera 8.0+,Safari
xmlHttp=new XMLHttpRequest();
}catch (e){
// Internet Explorer
try{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
} catch (e){
try {
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}catch (e){
alert("您的浏览器不支持AJAX！");
return false;
}
}
}
return xmlHttp;
}
window.onload=function(){
//<th width="100px"><input type="text" id="name" name="name" onblur="demo()"/></th>
document.getElementById("pwd").onblur=function(){
var xht= ajaxFunction();
//接收从服务器传回来的信息
xht.onreadystatechange=function(){
if(xht.readyState==4&&xht.status==200){
var div1Element=document.getElementById("div1");
var data=xht.responseText;
// alert(flag.equals("wrong"));
alert(data);
div1Element.innerHTML = "<font color='red'>"+data+"</font>";
}
}
var id=document.getElementById("name").value;
var password=document.getElementById("pwd").value;
//连接服务器
xht.open("get","./check_loginAction?timestatus="+new Date().getTime()+"&id="+id+"&password="+password,true);
//发送数据
xht.send(null);
}
}
原文链接：https://www.f2er.com/ajax/166258.html