由服務(wù)器返回的json數(shù)據(jù),均可用JS這樣處理來(lái)獲取指定值:
if(this.readyState == 4){
//alert(this.responseText);
var mp3 = eval('('+ this.responseText +')');
document.getElementById('title').innerHTML = mp3.title;
document.getElementById('desc').innerHTML = mp3.desc;
}