$.post系统登录校验

AJAX方式：$.post系统登录校验

https://blog.csdn.net/woshisangsang/article/details/66560238?utm_source=blogxgwz5

    <script type="text/javascript">
        function login(){
            var userId=$("#userId").val();
            var userPassword=$("#userPassword").val();
            if(userId===""||userPassword===""){
                $.messager.alert('提示','员工编号及密码不能为空!','info');
                return false;
            }
            $.post("/BankStatistics/LoginServlet?ran='+Math.random()",
                {userId:userId,userPassword:userPassword},
                function(data){
                    var result = eval('('+data+')');
                    if (result.success===true){
                        window.location.href="main.jsp";
                        return true;
                    }
                    else{
                        $.messager.alert('提示','员工号或密码有误，请核准!','info');
                        return false;
                    }
                }//function(data)
            );//$.post
        }//login()
    </script>