Method of extracting multilayer nested JSON data from ASP

public string GetJsonValue(JEnumerable<JToken> jToken, string key) { IEnumerator enumerator = jToken.GetEnumerator(); while (enumerator.MoveNext()) { JToken jc = (JToken)enumerator.Current; if (jc is JObject||((JProperty)jc).Value is JObject) { return GetJsonValue(jc.Children(), key); } else { if (((JProperty)jc).Name == key) { return ((JProperty)jc).Value.ToString(); } } } return null ; }At the time of the call: string jsonData = "{\"name\":\"lily\",\"age\":23,\"addr\":{\"city\":\"guangzhou\",\"province\":\"guangdong\"}}" ; JObject jsonObj = JObject.Parse(jsonData); Response.Write(GetJsonValue(jsonObj.Children(), "province" ));If there are multiple layers of nested arrays string jsonData = "{\"addr\":[{\"city\":\"guangzhou\",\"province\":\"guangdong\"},{\"city\":\"guiyang\",\"province\":\"guizhou\"}]}" ; JObject jsonObj = JObject.Parse(jsonData); JArray jar = JArray.Parse(jsonObj[ "addr" ].ToString()); JObject j = JObject.Parse(jar[0].ToString()); Response.Write(j[ "city" ]);

Method of extracting multilayer nested JSON data from ASP