1 json类
2
3 using System.Collections.Generic;
4 using System.Text;
5 using System.Text.RegularExpressions;
6 using System;
7
8 /// <summary>
9 /// 类 名：JSONConvert
10 /// 描 述：JSON解析类
11 /// 编 写：dnawo
12 /// 日 期：2010-01-06
13 /// 版 本：1.1.0
14 /// </summary>
15 public static class JSONConvert
16 {
17 #region 全局变量
18
19 private static JSONObject _json = new JSONObject();//寄存器
20 private static readonly string _SEMICOLON = "@semicolon";//分号转义符
21 private static readonly string _COMMA = "@comma"; //逗号转义符
22
23 #endregion
24
25 #region 字符串转义
26 /// <summary>
27 /// 字符串转义,将双引号内的:和,分别转成_SEMICOLON和_COMMA
28 /// </summary>
29 /// <param name="text"></param>
30 /// <returns></returns>
31 private static string StrEncode(string text)
32 {
33 MatchCollection matches = Regex.Matches(text, "\\\"[^\\\"]*\\\"");
34 foreach (Match match in matches)
35 {
36 text = text.Replace(match.Value, match.Value.Replace(":", _SEMICOLON).Replace(",", _COMMA));
37 }
38
39 return text;
40 }
41
42 /// <summary>
43 /// 字符串转义,将_SEMICOLON和_COMMA分别转成:和,
44 /// </summary>
45 /// <param name="text"></param>
46 /// <returns></returns>
47 private static string StrDecode(string text)
48 {
49 return text.Replace(_SEMICOLON, ":").Replace(_COMMA, ",");
50 }
51
52 #endregion
53
54 #region JSON最小单元解析
55
56 /// <summary>
57 /// 最小对象转为JSONObject
58 /// </summary>
59 /// <param name="text"></param>
60 /// <returns></returns>
61 private static JSONObject DeserializeSingletonObject(string text)
62 {
63 JSONObject jsonObject = new JSONObject();
64
65 MatchCollection matches = Regex.Matches(text, "(\\\"(?<key>[^\\\"]+)\\\":\\\"(?<value>[^,\\\"]*)\\\")|(\\\"(?<key>[^\\\"]+)\\\":(?<value>[^,\\\"\\}]*))");
66 foreach (Match match in matches)
67 {
68 string value = match.Groups["value"].Value;
69 jsonObject.Add(match.Groups["key"].Value, _json.ContainsKey(value) ? _json[value] : StrDecode(value));
70 }
71
72 return jsonObject;
73 }
74
75 /// <summary>
76 /// 最小数组转为JSONArray
77 /// </summary>
78 /// <param name="text"></param>
79 /// <returns></returns>
80 private static JSONArray DeserializeSingletonArray(string text)
81 {
82 JSONArray jsonArray = new JSONArray();
83
84 MatchCollection matches = Regex.Matches(text, "(\\\"(?<value>[^,\\\"]+)\")|(?<value>[^,\\[\\]]+)");
85 foreach (Match match in matches)
86 {
87 string value = match.Groups["value"].Value;
88 jsonArray.Add(_json.ContainsKey(value) ? _json[value] : StrDecode(value));
89 }
90
91 return jsonArray;
92 }
93
94 /// <summary>
95 /// 反序列化
96 /// </summary>
97 /// <param name="text"></param>
98 /// <returns></returns>
99 private static string Deserialize(string text)
100 {
101 _json.Clear();//2010-01-20 清空寄存器
102 text = StrEncode(text);//转义;和,
103
104 int count = 0;
105 string key = string.Empty;
106 string pattern = "(\\{[^\\[\\]\\{\\}]*\\})|(\\[[^\\[\\]\\{\\}]*\\])";
107
108 while (Regex.IsMatch(text, pattern))
109 {
110 MatchCollection matches = Regex.Matches(text, pattern);
111 foreach (Match match in matches)
112 {
113 key = "___key" + count + "___";
114
115 if (match.Value.Substring(0, 1) == "{")
116 _json.Add(key, DeserializeSingletonObject(match.Value));
117 else
118 _json.Add(key, DeserializeSingletonArray(match.Value));
119
120 text = text.Replace(match.Value, key);
121
122 count++;
123 }
124 }
125 return text;
126 }
127
128 #endregion
129
130 #region 公共接口
131
132 /// <summary>
133 /// 反序列化JSONObject对象
134 /// </summary>
135 /// <param name="text"></param>
136 /// <returns></returns>
137 public static JSONObject DeserializeObject(string text)
138 {
139 return _json[Deserialize(text)] as JSONObject;
140 }
141
142 /// <summary>
143 /// 反序列化JSONArray对象
144 /// </summary>
145 /// <param name="text"></param>
146 /// <returns></returns>
147 public static JSONArray DeserializeArray(string text)
148 {
149 return _json[Deserialize(text)] as JSONArray;
150 }
151
152 /// <summary>
153 /// 序列化JSONObject对象
154 /// </summary>
155 /// <param name="jsonObject"></param>
156 /// <returns></returns>
157 public static string SerializeObject(JSONObject jsonObject)
158 {
159 StringBuilder sb = new StringBuilder();
160 sb.Append("{");
161 foreach (KeyValuePair<string, object> kvp in jsonObject)
162 {
163 if (kvp.Value is JSONObject)
164 {
165 sb.Append(string.Format("\"{0}\":{1},", kvp.Key, SerializeObject((JSONObject)kvp.Value)));
166 }
167 else if (kvp.Value is JSONArray)
168 {
169 sb.Append(string.Format("\"{0}\":{1},", kvp.Key, SerializeArray((JSONArray)kvp.Value)));
170 }
171 else if (kvp.Value is String)
172 {
173 sb.Append(string.Format("\"{0}\":\"{1}\",", kvp.Key, kvp.Value));
174 }
175 else
176 {
177 sb.Append(string.Format("\"{0}\":\"{1}\",", kvp.Key, ""));
178 }
179 }
180 if (sb.Length > 1)
181 sb.Remove(sb.Length - 1, 1);
182 sb.Append("}");
183 return sb.ToString();
184 }
185
186 /// <summary>
187 /// 序列化JSONArray对象
188 /// </summary>
189 /// <param name="jsonArray"></param>
190 /// <returns></returns>
191 public static string SerializeArray(JSONArray jsonArray)
192 {
193 StringBuilder sb = new StringBuilder();
194 sb.Append("[");
195 for (int i = 0; i < jsonArray.Count; i++)
196 {
197 if (jsonArray[i] is JSONObject)
198 {
199 sb.Append(string.Format("{0},", SerializeObject((JSONObject)jsonArray[i])));
200 }
201 else if (jsonArray[i] is JSONArray)
202 {
203 sb.Append(string.Format("{0},", SerializeArray((JSONArray)jsonArray[i])));
204 }
205 else if (jsonArray[i] is String)
206 {
207 sb.Append(string.Format("\"{0}\",", jsonArray[i]));
208 }
209 else
210 {
211 sb.Append(string.Format("\"{0}\",", ""));
212 }
213
214 }
215 if (sb.Length > 1)
216 sb.Remove(sb.Length - 1, 1);
217 sb.Append("]");
218 return sb.ToString();
219 }
220 #endregion
221 }
222
223 /// <summary>
224 /// 类 名：JSONObject
225 /// 描 述：JSON对象类
226 /// 编 写：dnawo
227 /// 日 期：2010-01-06
228 /// 版 本：1.1.0
229 /// 更新历史：
230 /// 2010-01-06 继承Dictionary<TKey, TValue>代替this[]
231 /// </summary>
232 public class JSONObject : Dictionary<string, object>
233 { }
234
235 /// <summary>
236 /// 类 名：JSONArray
237 /// 描 述：JSON数组类
238 /// 编 写：dnawo
239 /// 日 期：2010-01-06
240 /// 版 本：1.1.0
241 /// 更新历史：
242 /// 2010-01-06 继承List<T>代替this[]
243 /// </summary>
244 public class JSONArray : List<object>
245 { }
调试代码
1 调试代码
2 JSONArray jsonArray = new JSONArray();
3 jsonArray.Add("2006");
4 jsonArray.Add("2007");
5 jsonArray.Add("2008");
6
7 JSONArray jsonArray1 = new JSONArray();
8 jsonArray1.Add("2006");
9 jsonArray1.Add("2007");
10 jsonArray1.Add("2008");
11
12 JSONObject jsonObject = new JSONObject();
13 jsonObject.Add("domain", "mzwu.com");
14 jsonObject.Add("years", jsonArray);
15 jsonObject["domain"] = jsonArray1;
16
17 Console.WriteLine(JSONConvert.SerializeObject(jsonObject));
18
19 JSONObject json = JSONConvert.DeserializeObject(JSONConvert.SerializeObject(jsonObject));
20 if (json != null)
21 {
22 Console.WriteLine(json["domain"]);
23 Console.WriteLine(((JSONArray)json["years"])[2]);
24 }
