帮帮忙 这个跨域 怎么得不到数据
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script>
var url="http://api.live.letv.com/v1/channel/letv/100/1001/560?rs200=1&callback=?";
$.getJSON(url,function(data) {
yanboshi = data.channelEname;
alert (yanboshi);
});
</script>