asp.net 2.0里也可以用JSON的使用方法
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asp.net 2.0里也可以用JSON的使用方法
全部代码如下。 复制代码 代码如下:///
/// JSON解析类 /// public static class JSONConvert { #region 全局变量 private static JSONObject _json = new JSONObject();//寄存器 private static readonly string _SEMICOLON = "@semicolon";//分号转义符 private static readonly string _COMMA = "@comma"; //逗号转义符 #endregion #region 字符串转义 ///
/// 字符串转义,将双引号内的:和,分别转成_SEMICOLON和_COMMA /// ///
///
private static string StrEncode(string text) { MatchCollection matches = Regex.Matches(text, "\\\"[^\\\"]+\\\""); foreach (Match match in matches) { text = text.Replace(match.Value, match.Value.Replace(":", _SEMICOLON).Replace(",", _COMMA)); } return text; } ///
/// 字符串转义,将_SEMICOLON和_COMMA分别转成:和, /// ///
///
private static string StrDecode(string text) { return text.Replace(_SEMICOLON, ":").Replace(_COMMA, ","); } #endregion #region JSON最小单元解析 ///
/// 最小对象转为JSONObject /// ///
///
private static JSONObject DeserializeSingletonObject(string text) { JSONObject jsonObject = new JSONObject(); MatchCollection matches = Regex.Matches(text, "(\\\"(?
[^\\\"]+)\\\":\\\"(?[^,\\\"]+)\\\")|(\\\"(?[^\\\"]+)\\\":(?[^,\\\"\\}]+))"); foreach (Match match in matches) { string value = match.Groups["value"].Value; jsonObject.Add(match.Groups["key"].Value, _json.ContainsKey(value) ? _json[value] : StrDecode(value)); } return jsonObject; } /// /// 最小数组转为JSONArray /// /// /// private static JSONArray DeserializeSingletonArray(string text) { JSONArray jsonArray = new JSONArray(); MatchCollection matches = Regex.Matches(text, "(\\\"(?[^,\\\"]+)\")|(?[^,\\[\\]]+)"); foreach (Match match in matches) { string value = match.Groups["value"].Value; jsonArray.Add(_json.ContainsKey(value) ? _json[value] : StrDecode(value)); } return jsonArray; } /// /// 反序列化 /// /// /// private static string Deserialize(string text) { text = StrEncode(text);//转义;和, int count = 0; string key = string.Empty; string pattern = "(\\{[^\\[\\]\\{\\}]+\\})|(\\[[^\\[\\]\\{\\}]+\\])"; while (Regex.IsMatch(text, pattern)) { MatchCollection matches = Regex.Matches(text, pattern); foreach (Match match in matches) { key = "___key" + count + "___"; if (match.Value.Substring(0, 1) == "{") _json.Add(key, DeserializeSingletonObject(match.Value)); else _json.Add(key, DeserializeSingletonArray(match.Value)); text = text.Replace(match.Value, key); count++; } } return text; } #endregion #region 公共接口 /// /// 序列化JSONObject对象 /// /// /// public static JSONObject DeserializeObject(string text) { _json = new JSONObject(); return _json[Deserialize(text)] as JSONObject; } /// /// 序列化JSONArray对象 /// /// /// public static JSONArray DeserializeArray(string text) { _json = new JSONObject(); return _json[Deserialize(text)] as JSONArray; } /// /// 反序列化JSONObject对象 /// /// /// public static string SerializeObject(JSONObject jsonObject) { StringBuilder sb = new StringBuilder(); sb.Append("{"); foreach (KeyValuePair kvp in jsonObject) { if (kvp.Value is JSONObject) { sb.Append(string.Format("\"{0}\":{1},", kvp.Key, SerializeObject((JSONObject)kvp.Value))); } else if (kvp.Value is JSONArray) { sb.Append(string.Format("\"{0}\":{1},", kvp.Key, SerializeArray((JSONArray)kvp.Value))); } else if (kvp.Value is String) { sb.Append(string.Format("\"{0}\":\"{1}\",", kvp.Key, kvp.Value)); } else { sb.Append(string.Format("\"{0}\":\"{1}\",", kvp.Key, "")); } } if (sb.Length > 1) sb.Remove(sb.Length - 1, 1); sb.Append("}"); return sb.ToString(); } /// /// 反序列化JSONArray对象 /// /// /// public static string SerializeArray(JSONArray jsonArray) { StringBuilder sb = new StringBuilder(); sb.Append("["); for (int i = 0; i < jsonArray.Count; i++) { if (jsonArray[i] is JSONObject) { sb.Append(string.Format("{0},", SerializeObject((JSONObject)jsonArray[i]))); } else if (jsonArray[i] is JSONArray) { sb.Append(string.Format("{0},", SerializeArray((JSONArray)jsonArray[i]))); } else if (jsonArray[i] is String) { sb.Append(string.Format("\"{0}\",", jsonArray[i])); } else { sb.Append(string.Format("\"{0}\",", "")); } } if (sb.Length > 1) sb.Remove(sb.Length - 1, 1); sb.Append("]"); return sb.ToString(); } #endregion } /// /// 取出JSON对象类 /// public class JSONObject : Dictionary { public new void Add(string key, object value) { System.Type t = value.GetType(); if (t.Name == "String") { value = JsonEncode.StrEncodeForDeserialize(value.ToString()); } base.Add(key, value); } } /// /// 取出JSON数组类 /// public class JSONArray : List
