javascript - 将 ajax 错误从 python 返回到 jquery

Question

我正在使用 jQuery 进行 AJAX 表单发布。但是，当我从我的 Python 服务器返回错误代码时，它被读取为成功而不是错误。我的代码如下。我是 Python 的菜鸟。如果我犯了明显的错误，请道歉。

J查询:

 $.ajax({

                type:"post",
                url: "/newform",
                data:$('#my-form').serialize(),
                success: function(msg){

                    alert(msg);


                },
                error: function(msg){

                     alert(msg);
                }
            });

Python代码:

def post(self):

    email = self.get_secure_cookie("user")
    id_name = self.get_argument('id1', None)

    try:
        credentials = Credentials(email=email, id_name=id_name)
        credentials.save()

    except Exception, e:
        print '%s' % str(e)
        msg = 'Authorization Failed. Please check if the credentials are correct'
        status = "error"

    else:
        msg = 'Connected'
        status = "success"

    print 'status: %s' % status
    self.write({"status": status, "msg": msg})

Answer 1

您的代码仍在返回成功的 HTTP 200 响应，但其中包含“status”:“error”。

所以你的 javascript 看起来像这样:

$.ajax({
            type:"post",
            url: "/newform",
            data:$('#my-form').serialize(),
            success: function(msg){
                if (msg.status == "success") {
                //handle success here
                } else {
                //handle error
                }
            },
            error: function(msg){
            //handle server error, such as HTTP 404, 500
            }
        });