版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/weixin_36774307/article/details/79928005
前端代码：
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <meta http-equiv="X-UA-Compatible" content="ie=edge">
- <title>ajaxtest</title>
- </head>
- <body>
- <button onclick="ajax()">button</button>
- </body>
-
< script src= "jquery-3.2.1.min.js"></ script>
- <script>
- function ajax() {
- $.ajax({
- url: 'http://127.0.0.1:8080/',
- dataType: 'json',
- type: 'get',
- data: {
- test: 'ajax'
- },
success
:
function
(data) {
$
(
"body"
).
append
(
'<p>'
+
data
.
test
+
'</p>'
);
}
后端代码：
- var http = require('http');
- var url = require('url');
- var createServer = http.createServer(onRequest);
- function onRequest(request, response) {
- response.writeHead(200, {
- 'Content-Type': 'text/plain',
- 'Access-Control-Allow-Origin': '*'
- });
- var str = JSON.stringify(url.parse(request.url, true).query);
- response.write(str);
- response.end();
- }
- createServer.listen(8080);
- console.log('Server running at http://127.0.0.1:8080/');
'Access-Control-Allow-Origin': '*' 写成*所有是为了解决 ajax的跨域请求问题