为啥不行啊???
<script type="text/javascript">
$(function () {
$("#btnShow").on("click",function(){
$.getJSON("https:=//www.imooc.com/data/sport.json",function(date){
$.each(date,function(index,sport){
$("ul").append("<li>"+sport["name"]+"</li>");
});
});
});
</script>