简单ajax登录

发布时间：2020-12-16 01:54:29 所属栏目：百科来源：网络整理

导读：1. [代码] [JavaScript]代码跳至[1][2] [全屏预览] ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 用户名： input type= "text" name= "name" id= /br / 密码：input type= "password" "pwd" /br / input id= 'sub' type= "b

1.[代码][JavaScript]代码跳至[1][2][全屏预览]

 
    ? 
   
         用户名： 
        
         <input type= 
         "text" 
         name= 
         "name" 
         id= 
         /><br /> 
        
         密码：<input type= 
         "password" 
         "pwd" 
         /><br /> 
        
         <input id= 
         'sub' 
         type= 
         "button" 
         value= 
         "确定" 
         onclick= 
         "check()" 
         /><br /> 
        
         <label id= 
         "msg" 
         ></label> 
        
         <script type= 
         "text/javascript" 
         > 
        
         function 
         check() { 
        
         var 
         name = $.trim($( 
         '#name' 
         ).attr( 
         'value' 
         )); 
        
         pwd = $.trim($( 
         '#pwd' 
         )); 
        
         if 
         ( 
         "" 
         == name ||  
         == pwd) { 
        
         alert( 
         '用户名或者密码不能为空' 
         ); 
        
         } 
         else 
         { 
        
         $.ajax({ 
        
         type :  
         'post' 
         , 
        
         url :  
         'login?name=' 
         + name +  
         '&pwd=' 
         + pwd, 
        
         success :  
         (msg) { 
        
         'success' 
         ==msg){ 
        
         location.href= 
         '<%=basePath%>admin/masterhome.jsp' 
         ; 
        
         { 
        
         $( 
         '#msg' 
         ).html(msg); 
        
         } 
        
         } 
        
         }); 
        
         } 
        
         } 
        
         </script>

2.[代码]servlet处理

 
    ? 
   
         23 
         
      public void doGet(HttpServletRequest request,HttpServletResponse response) 
         
         throws ServletException,IOException { 
        
         String name = request.getParameter( 
         ) ; 
        
         String pwd = request.getParameter( 
         ) ; 
        
         response.setCharacterEncoding( 
         "utf-8" 
         ); 
        
         MasterDAO mDao =  
         new 
         MasterDAOImpl(); 
        
         Master m = mDao.getByNameAndPwd(name,pwd); 
        
         PrintWriter out = response.getWriter() ; 
        
         HttpSession ssn = request.getSession() ; 
        
         ( 
         null 
         == m){ 
        
         out.print( 
         "<b>用户名或者密码错误</b>" 
         ); 
        
         { 
        
         ssn.setAttribute(Grobal.SESSION_MASTER_NAME,m.getMa_name()); 
        
         ssn.setAttribute(Grobal.SESSION_MASTER_id,m.getMa_id()) ; 
        
         ssn.setAttribute(Grobal.SESSION_RO_ID,m.getRole().getRo_Id()) ; 
        
         "success" 
         ); 
        
         }

（编辑：李大同）

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