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ajaxDemo.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>axios 发送 AJAX请求</title> <script crossorigin="anonymous" src="https://cdn.bootcdn.net/ajax/libs/axios/0.19.2/axios.js"></script> </head> <body> <button>GET</button> <button>POST</button> <button>AJAX</button> <script> </script> </body> </html>
说明:
server.js
//1. 引入express
const express = require('express');
//2. 创建应用对象
const app = express();
//3. 创建路由规则
// request 是对请求报文的封装
// response 是对响应报文的封装
//axios 服务
app.all('/axios-server', (request, response) => {
//设置响应头 设置允许跨域
response.setHeader('Access-Control-Allow-Origin', '*');
//允许自定义请求头标签
response.setHeader('Access-Control-Allow-Headers', '*');
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