react+reqwest+post20180611

React的Reqwest的post请求方式的使用

一、前端代码（加个headers）

headers: {
  "Content-Type": "application/json",
  // "Access-Control-Request-Headers": "Origin, X-Requested-With, Content-Type, Accept"
},

二、后端代码（也加请求头）

1.

2.

3.代码：

4.// 允许跨域访问 5.        header('Access-Control-Allow-Origin: *'); 6.        header("Access-Control-Allow-Headers: X-API-KEY, Origin, X-Requested-With, Content-Type, Accept, Access-Control-Request-Method, Authorization"); 7.        header("Access-Control-Allow-Methods: GET, POST, OPTIONS, PUT, DELETE");

三、使用