function login() {       
      var name = document.getElementById("username").value; //获取用户名 
      var password = document.getElementById("userpassword").value; //获取密码 
      var params = '{name:"' + name + '",password:"' + password + '"}'; //将用户名和密码作为参数传过去 
      $.ajax({ 
        url: "LoginMobile.aspx/test", //调用后台方法 
        data: params, 
        type: "post", 
        dataType: 'text', 
        contentType: "application/json; charset=utf-8", //设置类型，注意一定不能丢 
        success: function (data) {           
          if (data == '{"d":true}') { //注意判断条件 
            window.location = "../Order/OrderMobile.aspx"; 
          } else {             
            mui.toast("用户名或密码错误！");             
          } 
        } 
      }); 
 
    } 

[WebMethod] 
    public static bool test(string name,string password) { 
      //实例化登录业务逻辑类 
      CardBll cardBll = new CardBll(); 
      userBll user = new userBll(); 
      Page page = (Page)System.Web.HttpContext.Current.Handler; 
      bool Flag = false; 
 
      //一般用户 
      if (name.Length > 5) 
      { 
        Flag = cardBll.isExist(name, password); 
        if (Flag == true) 
        { 
          System.Web.HttpContext.Current.Session["Admin"] = name; 
          //Session["Admin"] = name; 
          //Session["Username"] = cardBll.username(TxtName .Text .Trim (),TxtPassword.Text .Trim ()); 
          System.Web.HttpContext.Current.Session["Username"] = cardBll.username(name); 
          System.Web.HttpContext.Current.Session["cardLevel"] = cardBll.cardLevel(name); 
          if (System.Web.HttpContext.Current.Session["cardLevel"].ToString() == "普通用户") 
          { 
           Flag = true; 
          } 
        }        
        
      } 
      return Flag; 
    } 

mui.ajax('LoginMobile.aspx/test', { 
        data: params, 
        dataType: 'text', 
        type: 'post', 
        contentType: "application/json; charset=utf-8", 
        success: function (data) {           
           if (data == '{"d":true}') { 
            window.location = "../Order/OrderMobile.aspx"; 
          } else {             
            mui.toast("用户名或密码错误！");             
          } 
        } 
      })