nnnnnnnnnnnnnnnnnnnnn.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="qrcode"></div>
</body>
</html>


<script type='text/javascript'src='http://cdn.staticfile.org/jquery/2.1.1/jquery.min.js'></script>

<script type="text/javascript"src="http://cdn.staticfile.org/jquery.qrcode/1.0/jquery.qrcode.min.js"></script>


<script>
    function ajax(opt) {
        opt = opt || {};
        opt.method = opt.method.toUpperCase() || 'POST';
        opt.url = opt.url || '';
        opt.async = opt.async || true;
        opt.data = opt.data || null;
        opt.success = opt.success || function () {};
        opt.list = opt.list || function () {};
        var xmlHttp = null;
        if (XMLHttpRequest) {
            xmlHttp = new XMLHttpRequest();
        }
        else {
            xmlHttp = new ActiveXObject('Microsoft.XMLHTTP');
        }
        var params = [];
        for (var key in opt.data){
            params.push(key + '=' + opt.data[key]);
        }
        var postData = params.join('&');
        if (opt.method.toUpperCase() === 'POST') {
            xmlHttp.open(opt.method, opt.url, opt.async);
            xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8');
            xmlHttp.send(postData);
        }
        else if (opt.method.toUpperCase() === 'GET') {
            xmlHttp.open(opt.method, opt.url + '?' + postData, opt.async);
            xmlHttp.send(null);
        }
        xmlHttp.onreadystatechange = function () {
            if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
                opt.success(xmlHttp.responseText);
            }else{
                opt.list()
            }
        };
    }
    ajax({
        method: 'POST',
        url: 'http://testapi.xinxuewen.cn/Member/login?api=Member.login&app_key=218fbc52&verson=1.0&t=1521186758&sig=98e442c42b418baed219383eb39395bd&sv=0',
        data: {
            mobile:'18344444444' ,
            password:'123456'
        },
        success: function (response) {
            console.log(JSON.parse(response));
            debugger
        }
    });

    jQuery(function(){
        jQuery('#qrcode').qrcode('');
    })
</script>