var data = {
"res":[
{"h":[{"code.i":"0"}]},
{"b":[{"data.s":"{"key":[{"id":"76371"," +""name":"华丽蜕变"," +
""inputtime":"2016-04-28 00:00:00.0"," +""titlecolor":"","tuwen":"0"}]}"
}]}
]}
//console.log(data["res"]["b"]["data.s"]["key"]["id"]);
alert(typeof data["res"][1]["b"][0]["data.s"]);
alert(JSON.parse(data.res[1].b[0]["data.s"]).key[0].id);
stringify()用于从一个对象解析出字符串