string xml = @"<?xml version=""1.0"" standalone=""no""?><root> <person id=""1""> <name>Alan</name> <url>http://www.google.com</url> </person> <person id=""2""> <name>Louis</name> <url>http://www.yahoo.com</url> </person></root>"; XmlDocument doc = new XmlDocument();doc.LoadXml(xml); string jsonText = JsonConvert.SerializeXmlNode(doc);//{// "?xml": {//  "@version": "1.0",//  "@standalone": "no"http:// },// "root": {//  "person": [//   {//    "@id": "1",//    "name": "Alan",//    "url": "http://www.google.com"http://   },//   {//    "@id": "2",//    "name": "Louis",//    "url": "http://www.yahoo.com"http://   }//  ]// }//}

string json = @"{ ""?xml"": {  ""@version"": ""1.0"",  ""@standalone"": ""no"" }, ""root"": {  ""person"": [   {    ""@id"": ""1"",    ""name"": ""Alan"",    ""url"": ""http://www.google.com""   },   {    ""@id"": ""2"",    ""name"": ""Louis"",    ""url"": ""http://www.yahoo.com""   }  ] }}"; XmlDocument doc = (XmlDocument)JsonConvert.DeserializeXmlNode(json);// <?xml version="1.0" standalone="no"?>// <root>//  <person id="1">//  <name>Alan</name>//  <url>http://www.google.com</url>//  </person>//  <person id="2">//  <name>Louis</name>//  <url>http://www.yahoo.com</url>//  </person>// </root>

string json_str = "{/"a/":/"a/",/"b/":/"b/"}";//json 的字符串需要按照這個格式 書寫，否則會報錯string json = @"{ ""?xml"": {  ""@version"": ""1.0"",  ""@standalone"": ""no"" }, ""root"":" + json_str + "}"; if (!string.IsNullOrEmpty(json)){  XmlDocument doc = JsonConvert.DeserializeXmlNode(json);   }