1 <script>
2 window.addEventListener('load', function (ev) {
3 var btn = document.getElementById('send');
4 btn.addEventListener('click', function (ev1) {
5
6 // 1. 获取用户输入的内容
7 var account = document.getElementById('account').value;
8 var pwd = document.getElementById('pwd').value;
9
10 // 2. 创建网络请求对象
11 var xhr = new XMLHttpRequest();
12 xhr.open('post', 'http://localhost:3000/api/five', true);
13 // 设置请求头
14 xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
15
16 xhr.send('name=zs&age=19');
17 xhr.addEventListener('readystatechange', function (ev2) {
18 if(xhr.readyState === 4 ){
19 if(xhr.status === 200){
20 console.log(xhr.responseText);
21 }else {
22 console.log('请求失败！');
23 }
24 }
25 });
26 });
27 });
28 </script>
