下载Newtonsoft.Json,添加引用
记得using Newtonsoft.Json.Linq;
//用JObject解析 string json = "{"offlineLock":{"id":"4028d808581dab0f01581db51405001e","mac":"D4:3D:7E:5F:B7:44","sdsl":5,"sdrq":1477967156304,"shlb":"0"},"flag":"success","status":"1400","resultList":[{"id":"4028d808581dab0f01581db5145c001f","zwjyzsbh":"1000001600000052","sfyfz":"0"},{"id":"4028d808581dab0f01581db514780020","zwjyzsbh":"1000001600000054","sfyfz":"0"},{"id":"4028d808581dab0f01581db514950021","zwjyzsbh":"1000001600000056","sfyfz":"0"},{"id":"4028d808581dab0f01581db514b20022","zwjyzsbh":"1000001600000058","sfyfz":"0"},{"id":"4028d808581dab0f01581db514cc0023","zwjyzsbh":"1000001600000060","sfyfz":"0"}]}"; JObject jo = (JObject)JsonConvert.DeserializeObject(json); string id = jo["offlineLock"]["id"].ToString(); Console.WriteLine(id); Console.ReadLine();