HTML代码：

     
      ...
     

　　JS代码如下：

$(function(){
     $("#log").click(function(){        $("#Login").form("submit",{            url:"LoginServlet",            onSubmit: function(){                var s= $("#Login").form("validate");                if(s){                    return true;                }else{                    $.messager.alert("提示","信息填写不完整","info");                     return false;                }            },                success:function(data){                       var data1 = eval("("+data+")");                   if(data1.success){                       window.location.href="indexZhu.jsp";                   }else if(data1.error){                       $.messager.alert("提示","用户名或密码错误","info");                   }else if(data1.success1){                       $.messager.alert("提示","登录通道错误！","info");                   }else{                       $.messager.alert("提示","请输入完整的信息","info");                   }            }        });    });

});