js发起轮询

js发起轮询

javascript代码：

var oTimer = null; jQuery(document).ready(function(){oTimer = setInterval("queryHandle()",5000);});function queryHandle(){jQuery.getJSON("data.json", {}, function(json){var status = json.status;if(status==='0'){alert('状态代码 '+status+':'+json.message);}else{alert('处理成功！');window.clearInterval(oTimer); }});}

data.json

{   "status": "1",  "message": "处理异常"}