JS 对java返回的json格式的数据处理方法

var dataObj=eval("("+res+")");alert(dataObj.billBuy) //res是如下的数据{"billBuy":"1001BRNO1102160002","stkid":"","timeBk":"","timeBuy":"","typeBuy":"","value":"60","valueBk":"0","valueLeft":"60","wayBk":""}