JS 对java返回的json格式的数据处理

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":""}