jQuery调用ajax获取json格式数据

    <body>
        <div>点击按钮获取音乐列表</div> 
        <input type="button" id="button" value="确定" />
        <div id="result"></div>
        <div>添加新的音乐</div>
        <input type="text" name="" id="" value="" />
        <input type="button" id="button2" value="添加" />
    </body>
	<script type="text/javascript">
		$(document).ready(function(){
			$('#button').click(function(){
				$.ajax({ 
					type:"GET", 
					url:"json/music.txt", //路径
					dataType:"json", 
					success:function(data){ 
					var music="<h2>"; 
					//i表示在data中的索引位置,n表示包含的信息的对象 
					$.each(data,function(i,n){ 
						//获取对象中属性为optionsValue的值 
						music+="<div>"+n["optionValue"]+"</div>"; 
					}); 
					music+="</h2>"; 
						$('#result').append(music); 
					} 
				}); 
				return false; 
			}); 
		}); 
	</script>

  txt部分:

[ 
{"optionKey":"1", "optionValue":"Need you now"}, 
{"optionKey":"2", "optionValue":"According to you"}, 
{"optionKey":"3", "optionValue":"Thriller"},
{"optionKey":"4", "optionValue":"dreadful"} 
] 
原文地址:https://www.cnblogs.com/wangyeye14/p/6531073.html