尝试从localhost发送数据到localhost时，ajax调用不起作用 [英] ajax call not working when trying to send data to localhost:8000 from localhost

问题描述

我正在制作一个网站，其中我所做的后端是在django，前端使用php。问题是我正在尝试从 php（localhost）到 django（localhost：8000 ）中的ajax调用尝试这样它给出以下错误

i am making a website in which the back end i have made is in django and the front end uses php . The problem is i am trying to make a ajax call from php (localhost) to django (localhost:8000 whenever i try so it gives mes the following error

XMLHttpRequest cannot load http://localhost:8000/project/login/uid=bimt;token=KAMWMS151UWP67Q. Origin http://localhost is not allowed by Access-Control-Allow-Origin.

ajax代码是

$(document).on('click', '.login', function(event) {

        var username = $('#username').val();
        var token = $('#token').val();
        $.ajax({
            type: "POST",
            url: "http://localhost:8000/project/login/uid=" + username + ";token=" + token,
            success: function (html) {
            alert(html);
            }
        });


});

我如何从我的前端到loca的django后端进行ajax调用lhost：8000

how can i make a ajax call from my front end to the django backend on localhost:8000

推荐答案

因为端口不一样，它被认为是一个十字架请求。
您必须在要求的脚本中设置 Access-Control-Allow-Origin 头。

Because the port is not the same, it's considered a cross origin request. You must set a Access-Control-Allow-Origin header in the script you are requesting.

了解详情：

http：// enable- cors.org/server.html

或专门针对django：

or, specifically for django:

http://chase-seibert.github.io/blog/2012/01/27/using-access-control-allow-origin-to-make-cross-domain-post-requests-from- javsacript.html

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