调用 function(Url) {  var XML = new XMLHttpRequest();  XML.onreadystatechange = function() {    if (XML.readyState ==

var names; var Cs, St; var rorw=""; var lrcT; function getname(songname){     if(songname==""){        

React中使用遍历1、使用for(let item of items){}render(){var itemList = []for(let item of items){itemList.push(<Item item={item}