Question

ajax 调用后台方法 获得返回值

Answer 1

前台的写法： $ajax({ type: "POST", url: "testdo",//请求的后台地址 data: "name=John&location=Boston",//前台传给后台的参数 success: function(msg){//msg:返回值 alert( "Data Saved: " + msg ); } }); 后台： 只需要将你所需要的数据通ajax 调用后台方法 获得返回值

Answer 2

$.ajax({
                url:"后台地址的url",
                data:{
                    id:id//变量参数
                },
                type:"POST",
                success:function(re){
                    console.log(re);//控制台输出返回的值
                }
            });