64 lines
1.5 KiB
HTML
64 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>js ajax学习</title>
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</head>
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<body>
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<ul>
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</ul>
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</body>
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<script>
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// 1 创建一个新的ajax对象 拿出手机 xhr
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// fetch 全新的ajax请求方式
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var ajax = new XMLHttpRequest()
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// var form = new FormData();
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// form.append("username", 1)
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// var params = {
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// id : 1
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// }
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var a = 'id=1'
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// 2 配置需要访问的后端地址，请求方式， 设置 号码
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ajax.open("POST", "http://127.0.0.1/my.php")
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ajax.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=UTF-8')
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// 3 发送请求 拨号
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ajax.send(a)
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// 监听请求状态
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ajax.onreadystatechange = function () {
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if (ajax.readyState == 4) {
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if (ajax.status == 200) {
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var data = JSON.parse(ajax.responseText)
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console.log(data);
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data.result.forEach(v => {
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document.querySelector("ul").innerHTML += `<li>${v.title}</li>`
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});
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// stringify
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// parse
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} else {
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alert("网络请求失败")
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}
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}
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}
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// function getData(res) {
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// console.log(res);
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// }
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</script>
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<!-- <script src="http://127.0.0.1/index.php?cb=getData"></script> -->
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</html> |