<script>
    // jsonp跨域原生写法
    var script = document.createElement('script');
    script.src = 'http://192.168.7.16/kuayu/test02.php?callback=aa';
    document.body.appendChild(script);
    //aa('后台数据')
    function aa(res) {
        alert(res.website);
    }
</script>