html:
<!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>Document</title>
</head>
<body>
<script src="easyhttp.js"></script>
<script src="app.js"></script>
</body>
</html>
封装的js文件内容(easyhttp.js)
/*
* @Author: mikey.zhaopeng
* @Date: 2018-09-27 20:03:13
* @Last Modified by: mikey.zhaopeng
* @Last Modified time: 2018-09-27 21:20:53
*/
class EasyHttp{
get(url){
return new Promise((resolve,reject)=>{
fetch(url)
.then( res => res.json())
.then( data => resolve(data))
.catch(err => reject(err))
})
}
//