Newtonsoft.Json小记

            /*json相关*/

            //http://www.cnblogs.com/hongfei/p/3593936.html

            string jsonObject = "{\"phone\":\"12345678900\",\"codeType\":\"register\"}";

            JObject jo = JObject.Parse(jsonObject);

            jo.Add("test", "111");//新增

            jo["phone"] = "123456";//修改

            jo.Remove("codeType");//删除

            //JObject遍历json的key和value

            foreach (var item in jo)

            {

                Console.WriteLine(item.Key + ":" + item.Value + ",");

            }

            //JArray遍历

            string jsonArray = "[{'a':'a1','b':'b1'},{'a':'a2','b':'b2'}]";

            JArray ja = JArray.Parse(jsonArray);

            foreach (JObject j in ja)

            {

                foreach (var item in j)

                {

                    Console.WriteLine(item.Key);

                }

            }

            //json嵌套

            string jsonText = "{\"beijing\":{\"zone\":\"海淀\",\"zone_en\":\"haidian\"}}";

            jo = JObject.Parse(jsonText);

            Console.WriteLine("key取值：" + jo["beijing"]["zone"] + ";索引：" + ja[0]["a"]);