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 程式師世界 >> 編程語言 >> C語言 >> 關於C語言 >> C# JsonHelper 操作輔助類,拿來直接用

C# JsonHelper 操作輔助類,拿來直接用

編輯:關於C語言

四個主要操作類:JsonConverter 、JsonHelper 、JSonSplit 、AJaxResult

一、JSonConverter:

自定義查詢對象轉換動態類、object動態類轉換json包、json轉換object動態類、DataReader轉換為Json、DataSet轉換為Json、DataTable轉成Json、Datatable轉換為JSon 、格式化字符型日期型布爾型、過濾特殊字符等

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 using System; using System.Collections.Generic; using System.Text; using System.Data; using System.Linq; using System.Web.Script.Serialization; using System.Collections; namespace Common { public class JSonConverter { /// <summary> /// 自定義查詢對象轉換動態類 /// add yuangang by 2015-05-19 /// </summary> /// <param name="obj"></param> /// <returns></returns> public static dynamic JSonClass(object obj) { return ConvertJSon(Serialize(obj, true)); } /// <summary> /// object動態類轉換JSon包 /// add yuangang by 2015-05-19 /// </summary> /// <param name="obj">對象</param> /// <param name="DateConvert">時間戳是否轉換成日期類型</param> /// <returns></returns> public static string Serialize(object obj, bool DateConvert = false) { JavaScriptSerializer JSs = new JavaScriptSerializer(); var str = JSs.Serialize(obj); if (DateConvert) { str = System.Text.RegularExpressions.Regex.Replace(str, @"\\/Date\((\d+)\)\\/", match => { DateTime dt = new DateTime(1970, 1, 1); dt = dt.AddMilliseconds(long.Parse(match.Groups[1].Value)); dt = dt.ToLocalTime(); return dt.ToString("yyyy-MM-dd HH:mm:ss"); }); } return str; } /// <summary> /// JSon轉換object動態類 /// add yuangang by 2015-05-19 /// </summary> /// <param name="JSon"></param> /// <returns></returns> public static dynamic ConvertJSon(string JSon) { JavaScriptSerializer JSs = new JavaScriptSerializer(); JSs.RegisterConverters(new JavaScriptConverter[] { new DynamicJSonConverter() }); dynamic dy = jss.Deserialize(JSon, typeof(object)) as dynamic; return dy; } /// <summary> /// DataReader轉換為JSon /// </summary> /// <param name="dataReader">DataReader對象</param> /// <returns>JSon字符串</returns> public static string ToJSon(IDataReader dataReader) { try { StringBuilder JSonString = new StringBuilder(); JSonString.Append("["); while (dataReader.Read()) { JSonString.Append("{"); for (int i = 0; i < dataReader.FIEldCount; i++) { Type type = dataReader.GetFIEldType(i); string strKey = dataReader.GetName(i); string strValue = dataReader[i].ToString(); JSonString.Append("\"" + strKey + "\":"); strValue = StringFormat(strValue, type); if (i < dataReader.FIEldCount - 1) { JSonString.Append(strValue + ","); } else { JSonString.Append(strValue); } } JSonString.Append("},"); } if (!dataReader.IsClosed) { dataReader.Close(); } jsonString.Remove(JSonString.Length - 1, 1); JSonString.Append("]"); if (JSonString.Length == 1) { return "[]"; } return JSonString.ToString(); } catch (Exception ex) { throw ex; } } /// <summary> /// DataSet轉換為JSon /// add yuangang by 2015-05-19 /// </summary> /// <param name="dataSet">DataSet對象</param> /// <returns>JSon字符串</returns> public static string ToJSon(DataSet dataSet) { string JSonString = "{"; foreach (DataTable table in dataSet.Tables) { JSonString += "\"" + table.TableName + "\":" + ToJSon(table) + ","; } jsonString = JSonString.TrimEnd(','); return JSonString + "}"; } /// <summary> /// DataTable轉成JSon /// add yuangang by 2015-05-19 /// </summary> /// <param name="JSonName"></param> /// <param name="dt"></param> /// <returns></returns> public static string ToJSon(DataTable dt, string JSonName) { StringBuilder JSon = new StringBuilder(); if (string.IsNullOrEmpty(JSonName)) JSonName = dt.TableName; JSon.Append("{\"" + JSonName + "\":["); if (dt.Rows.Count > 0) { for (int i = 0; i < dt.Rows.Count; i++) { JSon.Append("{"); for (int j = 0; j < dt.Columns.Count; j++) { Type type = dt.Rows[i][j].GetType(); JSon.Append("\"" + dt.Columns[j].ColumnName.ToString() + "\":" + StringFormat(dt.Rows[i][j] is DBNull ? string.Empty : dt.Rows[i][j].ToString(), type)); if (j < dt.Columns.Count - 1) { JSon.Append(","); } } JSon.Append("}"); if (i < dt.Rows.Count - 1) { JSon.Append(","); } } } JSon.Append("]}"); return JSon.ToString(); } /// <summary> /// Datatable轉換為JSon /// add yuangang by 2015-05-19 /// </summary> /// <param name="table">Datatable對象</param> /// <returns>JSon字符串</returns> public static string ToJSon(DataTable dt) { StringBuilder JSonString = new StringBuilder(); JSonString.Append("["); DataRowCollection drc = dt.Rows; for (int i = 0; i < drc.Count; i++) { JSonString.Append("{"); for (int j = 0; j < dt.Columns.Count; j++) { string strKey = dt.Columns[j].ColumnName; string strValue = drc[i][j].ToString(); Type type = dt.Columns[j].DataType; JSonString.Append("\"" + strKey + "\":"); strValue = StringFormat(strValue, type); if (j < dt.Columns.Count - 1) { JSonString.Append(strValue + ","); } else { JSonString.Append(strValue); } } JSonString.Append("},"); } jsonString.Remove(JSonString.Length - 1, 1); JSonString.Append("]"); if (JSonString.Length == 1) { return "[]"; } return JSonString.ToString(); } /// <summary> /// 格式化字符型、日期型、布爾型 /// add yuangang by 2015-05-19 /// </summary> /// <param name="str"></param> /// <param name="type"></param> /// <returns></returns> private static string StringFormat(string str, Type type) { if (type != typeof(string) && string.IsNullOrEmpty(str)) { str = "\"" + str + "\""; } else if (type == typeof(string)) { str = String2JSon(str); str = "\"" + str + "\""; } else if (type == typeof(DateTime)) { str = "\"" + str + "\""; } else if (type == typeof(bool)) { str = str.ToLower(); } else if (type == typeof(byte[])) { str = "\"" + str + "\""; } else if (type == typeof(Guid)) { str = "\"" + str + "\""; } return str; } /// <summary> /// 過濾特殊字符 /// add yuangang by 2015-05-19 /// </summary> /// <param name="s"></param> /// <returns></returns> public static string String2JSon(String s) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < s.Length; i++) { char c = s.ToCharArray()[i]; switch (c) { case '\"': sb.Append("\\\""); break; case '\\': sb.Append("\\\\"); break; case '/': sb.Append("\\/"); break; case '\b': sb.Append("\\b"); break; case '\f': sb.Append("\\f"); break; case '\n': sb.Append("\\n"); break; case '\r': sb.Append("\\r"); break; case '\t': sb.Append("\\t"); break; case '\v': sb.Append("\\v"); break; case '\0': sb.Append("\\0"); break; default: sb.Append(c); break; } } return sb.ToString(); } public static string GetDataGridJSonByDataSet(DataSet ds, string totalProperty, string root) { return GetDataGridJSonByDataTable(ds.Tables[0], totalProperty, root); } public static string GetDataGridJSonByDataTable(DataTable dt, string totalProperty, string root) { StringBuilder JSonBuilder = new StringBuilder(); JSonBuilder.Append("({\"" + totalProperty + "\":\"" + dt.Rows.Count + "\","); JSonBuilder.Append("\""); JSonBuilder.Append(root); JSonBuilder.Append("\":["); for (int i = 0; i < dt.Rows.Count; i++) { JSonBuilder.Append("{"); for (int j = 0; j < dt.Columns.Count; j++) { JSonBuilder.Append("\""); JSonBuilder.Append(dt.Columns[j].ColumnName); JSonBuilder.Append("\":\""); JSonBuilder.Append(dt.Rows[i][j].ToString()); JSonBuilder.Append("\","); } jsonBuilder.Remove(JSonBuilder.Length - 1, 1); JSonBuilder.Append("},"); } jsonBuilder.Remove(JSonBuilder.Length - 1, 1); JSonBuilder.Append("]"); JSonBuilder.Append("})"); return JSonBuilder.ToString(); } public static string GetTreeJSonByDataSet(DataSet ds) { return GetTreeJSonByDataTable(ds.Tables[0]); } public static string GetTreeJSonByDataTable(DataTable dataTable) { DataTable dt = FormatDataTableForTree(dataTable); StringBuilder JSonBuilder = new StringBuilder(); JSonBuilder.Append("["); for (int i = 0; i < dt.Rows.Count; i++) { JSonBuilder.Append("{"); for (int j = 0; j < dt.Columns.Count; j++) { JSonBuilder.Append("\'"); if (dt.Columns[j].ColumnName == "leaf") { string leafValue = dt.Rows[i][j].ToString(); if (!string.IsNullOrEmpty(leafValue)) { JSonBuilder.Append(dt.Columns[j].ColumnName); JSonBuilder.Append("\':\'"); JSonBuilder.Append(dt.Rows[i][j].ToString()); JSonBuilder.Append("\',"); } else { jsonBuilder.Remove(JSonBuilder.Length - 1, 1); } } else if (dt.Columns[j].ColumnName == "customUrl") { jsonBuilder.Remove(JSonBuilder.Length - 1, 1); JSonBuilder.Append(dt.Columns[j].ColumnName); JSonBuilder.Append(":\'"); JSonBuilder.Append(dt.Rows[i][j].ToString()); JSonBuilder.Append("\',"); } else { JSonBuilder.Append(dt.Columns[j].ColumnName); JSonBuilder.Append("\':\'"); JSonBuilder.Append(dt.Rows[i][j].ToString()); JSonBuilder.Append("\',"); } } jsonBuilder.Remove(JSonBuilder.Length - 1, 1); JSonBuilder.Append("},"); } jsonBuilder.Remove(JSonBuilder.Length - 1, 1); JSonBuilder.Append("]"); return JSonBuilder.ToString(); } private static DataTable FormatDataTableForTree(DataTable dt) { DataTable dtTree = new DataTable(); dtTree.Columns.Add("id", typeof(string)); dtTree.Columns.Add("text", typeof(string)); dtTree.Columns.Add("leaf", typeof(string)); dtTree.Columns.Add("cls", typeof(string)); dtTree.Columns.Add("customUrl", typeof(string)); dtTree.AcceptChanges(); for (int i = 0; i < dt.Rows.Count; i++) { DataRow drTree = dtTree.NewRow(); drTree["id"] = dt.Rows[i]["id"].ToString(); drTree["text"] = dt.Rows[i]["text"].ToString(); if (dt.Rows[i]["leaf"].ToString() == "Y") { drTree["leaf"] = "true"; drTree["cls"] = "file"; } else { drTree["cls"] = "folder"; } drTree["customUrl"] = dt.Rows[i]["customUrl"].ToString(); dtTree.Rows.Add(drTree); } return dtTree; } } /// <summary> /// 動態JSON解析 /// add yuangang by 2015-05-19 /// </summary> public class DynamicJSonObject : System.Dynamic.DynamicObject { private IDictionary<string, object> Dictionary { get; set; } public DynamicJSonObject(IDictionary<string, object> dictionary) { this.Dictionary = dictionary; } public override bool TryGetMember(System.Dynamic.GetMemberBinder binder, out object result) { result = this.Dictionary[binder.Name]; if (result is IDictionary<string, object>) { result = new DynamicJSonObject(result as IDictionary<string, object>); } else if (result is ArrayList && (result as ArrayList) is IDictionary<string, object>) { result = new List<DynamicJSonObject>((result as ArrayList).ToArray().Select(x => new DynamicJSonObject(x as IDictionary<string, object>))); } else if (result is ArrayList) { result = new List<object>((result as ArrayList).ToArray()); } return this.Dictionary.ContainsKey(binder.Name); } } /// <summary> /// 動態JSON轉換 /// add yuangang by 2015-05-19 /// </summary> public class DynamicJSonConverter : JavaScriptConverter { public override object Deserialize(IDictionary<string, object> dictionary, Type type, JavaScriptSerializer serializer) { if (dictionary == null) throw new ArgumentNullException("dictionary"); if (type == typeof(object)) { return new DynamicJSonObject(dictionary); } return null; } public override IDictionary<string, object> Serialize(object obj, JavaScriptSerializer serializer) { throw new NotImplementedException(); } public override IEnumerable<Type> SupportedTypes { get { return new System.Collections.ObjectModel.ReadOnlyCollection<Type>(new List<Type>(new Type[] { typeof(object) })); } } } }

二、JsonHelper:JSon的輔助類

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 using System.Collections.Generic; using System.Text; using Newtonsoft.JSon; using System.Runtime.Serialization.JSon; using System.IO; namespace Common { /// <summary> /// 提供了一個關於JSon的輔助類 /// </summary> public class JSonHelper { #region Method /// <summary> /// 類對像轉換成JSon格式 /// </summary> /// <returns></returns> public static string ToJSon(object t) { return JsonConvert.SerializeObject(t, Newtonsoft.JSon.Formatting.Indented, new JSonSerializerSettings { NullValueHandling = NullValueHandling.Include }); } /// <summary> /// 類對像轉換成JSon格式 /// </summary> /// <param name="t"></param> /// <param name="HasNullIgnore">是否忽略NULL值</param> /// <returns></returns> public static string ToJSon(object t, bool HasNullIgnore) { if (HasNullIgnore) return JsonConvert.SerializeObject(t, Newtonsoft.JSon.Formatting.Indented, new JSonSerializerSettings { NullValueHandling = NullValueHandling.Ignore }); else return ToJSon(t); } /// <summary> /// JSon格式轉換 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="strJSon"></param> /// <returns></returns> public static T FromJSon<T>(string strJSon) where T : class { if (!strJSon.IsNullOrEmpty()) return JsonConvert.DeserializeObject<T>(strJSon); return null; } /// <summary> /// 功能描述:將List轉換為JSon /// </summary> /// <param name="a"></param> /// <returns></returns> public static string ListToJSon(IList<object> a) { DataContractJsonSerializer JSon = new DataContractJSonSerializer(a.GetType()); string szJSon = ""; //序列化 using (MemoryStream stream = new MemoryStream()) { JSon.WriteObject(stream, a); szJSon = Encoding.UTF8.GetString(stream.ToArray()); } return szJSon; } #endregion #region Property /// <summary> /// 數據狀態 /// </summary> public string Status { get; set; } /// <summary> /// 提示信息 /// </summary> public string Msg { get; set; } /// <summary> /// 回傳URL /// </summary> public string ReUrl { get; set; } /// <summary> /// 數據包 /// </summary> public object Data { get; set; } #endregion } }

三、JsonSplit:判斷字符串是否為JSon

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace Common { /// <summary> /// 判斷字符串是否為JSON /// </summary> public class JSonSplit { private static bool IsJSonStart(ref string JSon) { if (!string.IsNullOrEmpty(JSon)) { json = JSon.Trim('\r', '\n', ' '); if (JSon.Length > 1) { char s = JSon[0]; char e = json[JSon.Length - 1]; return (s == '{' && e == '}') || (s == '[' && e == ']'); } } return false; } public static bool IsJSon(string JSon) { int errIndex; return IsJson(JSon, out errIndex); } public static bool IsJSon(string JSon, out int errIndex) { errIndex = 0; if (IsJSonStart(ref JSon)) { CharState cs = new CharState(); char c; for (int i = 0; i < JSon.Length; i++) { c = JSon[i]; if (SetCharState(c, ref cs) && cs.childrenStart)//設置關鍵符號狀態。 { string item = JSon.Substring(i); int err; int length = GetValueLength(item, true, out err); cs.childrenStart = false; if (err > 0) { errIndex = i + err; return false; } i = i + length - 1; } if (cs.isError) { errIndex = i; return false; } } return !cs.arrayStart && !cs.JSonStart; } return false; } /// <summary> /// 獲取值的長度(當JSon值嵌套以"{"或"["開頭時) /// </summary> private static int GetValueLength(string JSon, bool breakOnErr, out int errIndex) { errIndex = 0; int len = 0; if (!string.IsNullOrEmpty(JSon)) { CharState cs = new CharState(); char c; for (int i = 0; i < JSon.Length; i++) { c = JSon[i]; if (!SetCharState(c, ref cs))//設置關鍵符號狀態。 { if (!cs.JSonStart && !cs.arrayStart)//JSon結束,又不是數組,則退出。 { break; } } else if (cs.childrenStart)//正常字符,值狀態下。 { int length = GetValueLength(JSon.Substring(i), breakOnErr, out errIndex);//遞歸子值,返回一個長度。。。 cs.childrenStart = false; cs.valueStart = 0; //cs.state = 0; i = i + length - 1; } if (breakOnErr && cs.isError) { errIndex = i; return i; } if (!cs.JSonStart && !cs.arrayStart)//記錄當前結束位置。 { len = i + 1;//長度比索引+1 break; } } } return len; } /// <summary> /// 字符狀態 /// </summary> private class CharState { internal bool JSonStart = false;//以 "{"開始了... internal bool setDicValue = false;// 可以設置字典值了。 internal bool escapeChar = false;//以"\"轉義符號開始了 /// <summary> /// 數組開始【僅第一開頭才算】,值嵌套的以【childrenStart】來標識。 /// </summary> internal bool arrayStart = false;//以"[" 符號開始了 internal bool childrenStart = false;//子級嵌套開始了。 /// <summary> /// 【0 初始狀態,或 遇到“,”逗號】;【1 遇到“:”冒號】 /// </summary> internal int state = 0; /// <summary> /// 【-1 取值結束】【0 未開始】【1 無引號開始】【2 單引號開始】【3 雙引號開始】 /// </summary> internal int keyStart = 0; /// <summary> /// 【-1 取值結束】【0 未開始】【1 無引號開始】【2 單引號開始】【3 雙引號開始】 /// </summary> internal int valueStart = 0; internal bool isError = false;//是否語法錯誤。 internal void CheckIsError(char c)//只當成一級處理(因為GetLength會遞歸到每一個子項處理) { if (keyStart > 1 || valueStart > 1) { return; } //示例 ["aa",{"bbbb":123,"fff","ddd"}] switch (c) { case '{'://[{ "[{A}]":[{"[{B}]":3,"m":"C"}]}] isError = JSonStart && state == 0;//重復開始錯誤 同時不是值處理。 break; case '}': isError = !JSonStart || (keyStart != 0 && state == 0);//重復結束錯誤 或者 提前結束{"aa"}。正常的有{} break; case '[': isError = arrayStart && state == 0;//重復開始錯誤 break; case ']': isError = !arrayStart || JSonStart;//重復開始錯誤 或者 JSon 未結束 break; case '"': case '\'': isError = !(JSonStart || arrayStart); //JSon 或數組開始。 if (!isError) { //重復開始 [""",{"" "}] isError = (state == 0 && keyStart == -1) || (state == 1 && valueStart == -1); } if (!isError && arrayStart && !JSonStart && c == '\'')//['aa',{}] { isError = true; } break; case ':': isError = !JSonStart || state == 1;//重復出現。 break; case ',': isError = !(JSonStart || arrayStart); //JSon 或數組開始。 if (!isError) { if (JSonStart) { isError = state == 0 || (state == 1 && valueStart > 1);//重復出現。 } else if (arrayStart)//["aa,] [,] [{},{}] { isError = keyStart == 0 && !setDicValue; } } break; case ' ': case '\r': case '\n'://[ "a",\r\n{} ] case '\0': case '\t': break; default: //值開頭。。 isError = (!JSonStart && !arrayStart) || (state == 0 && keyStart == -1) || (valueStart == -1 && state == 1);// break; } //if (isError) //{ //} } } /// <summary> /// 設置字符狀態(返回true則為關鍵詞,返回false則當為普通字符處理) /// </summary> private static bool SetCharState(char c, ref CharState cs) { cs.CheckIsError(c); switch (c) { case '{'://[{ "[{A}]":[{"[{B}]":3,"m":"C"}]}] #region 大括號 if (cs.keyStart <= 0 && cs.valueStart <= 0) { cs.keyStart = 0; cs.valueStart = 0; if (cs.JSonStart && cs.state == 1) { cs.childrenStart = true; } else { cs.state = 0; } cs.JSonStart = true;//開始。 return true; } #endregion break; case '}': #region 大括號結束 if (cs.keyStart <= 0 && cs.valueStart < 2 && cs.JSonStart) { cs.JSonStart = false;//正常結束。 cs.state = 0; cs.keyStart = 0; cs.valueStart = 0; cs.setDicValue = true; return true; } // cs.isError = !cs.JSonStart && cs.state == 0; #endregion break; case '[': #region 中括號開始 if (!cs.JSonStart) { cs.arrayStart = true; return true; } else if (cs.JSonStart && cs.state == 1) { cs.childrenStart = true; return true; } #endregion break; case ']': #region 中括號結束 if (cs.arrayStart && !cs.JSonStart && cs.keyStart <= 2 && cs.valueStart <= 0)//[{},333]//這樣結束。 { cs.keyStart = 0; cs.valueStart = 0; cs.arrayStart = false; return true; } #endregion break; case '"': case '\'': #region 引號 if (cs.JSonStart || cs.arrayStart) { if (cs.state == 0)//key階段,有可能是數組["aa",{}] { if (cs.keyStart <= 0) { cs.keyStart = (c == '"' ? 3 : 2); return true; } else if ((cs.keyStart == 2 && c == '\'') || (cs.keyStart == 3 && c == '"')) { if (!cs.escapeChar) { cs.keyStart = -1; return true; } else { cs.escapeChar = false; } } } else if (cs.state == 1 && cs.JSonStart)//值階段必須是JSon開始了。 { if (cs.valueStart <= 0) { cs.valueStart = (c == '"' ? 3 : 2); return true; } else if ((cs.valueStart == 2 && c == '\'') || (cs.valueStart == 3 && c == '"')) { if (!cs.escapeChar) { cs.valueStart = -1; return true; } else { cs.escapeChar = false; } } } } #endregion break; case ':': #region 冒號 if (cs.JSonStart && cs.keyStart < 2 && cs.valueStart < 2 && cs.state == 0) { if (cs.keyStart == 1) { cs.keyStart = -1; } cs.state = 1; return true; } // cs.isError = !cs.JSonStart || (cs.keyStart < 2 && cs.valueStart < 2 && cs.state == 1); #endregion break; case ',': #region 逗號 //["aa",{aa:12,}] if (cs.JSonStart) { if (cs.keyStart < 2 && cs.valueStart < 2 && cs.state == 1) { cs.state = 0; cs.keyStart = 0; cs.valueStart = 0; //if (cs.valueStart == 1) //{ // cs.valueStart = 0; //} cs.setDicValue = true; return true; } } else if (cs.arrayStart && cs.keyStart <= 2) { cs.keyStart = 0; //if (cs.keyStart == 1) //{ // cs.keyStart = -1; //} return true; } #endregion break; case ' ': case '\r': case '\n'://[ "a",\r\n{} ] case '\0': case '\t': if (cs.keyStart <= 0 && cs.valueStart <= 0) //cs.JSonStart && { return true;//跳過空格。 } break; default: //值開頭。。 if (c == '\\') //轉義符號 { if (cs.escapeChar) { cs.escapeChar = false; } else { cs.escapeChar = true; return true; } } else { cs.escapeChar = false; } if (cs.JSonStart || cs.arrayStart) // JSon 或數組開始了。 { if (cs.keyStart <= 0 && cs.state == 0) { cs.keyStart = 1;//無引號的 } else if (cs.valueStart <= 0 && cs.state == 1 && cs.JSonStart)//只有JSon開始才有值。 { cs.valueStart = 1;//無引號的 } } break; } return false; } } }

四、AjaxResult:前台AJax請求的統一返回結果類

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 using System.Web.Script.Serialization; namespace Common { /// <summary> /// 前台AJax請求的統一返回結果類 /// </summary> public class AJaxResult { private AJaxResult() { } private bool iserror = false; /// <summary> /// 是否產生錯誤 /// </summary> public bool IsError { get { return iserror; } } /// <summary> /// 錯誤信息,或者成功信息 /// </summary> public string Message { get; set; } /// <summary> /// 成功可能時返回的數據 /// </summary> public object Data { get; set; } #region Error public static AJaxResult Error() { return new AJaxResult() { iserror = true }; } public static AJaxResult Error(string message) { return new AJaxResult() { iserror = true, Message = message }; } #endregion #region Success public static AJaxResult Success() { return new AJaxResult() { iserror = false }; } public static AJaxResult Success(string message) { return new AJaxResult() { iserror = false, Message = message }; } public static AJaxResult Success(object data) { return new AJaxResult() { iserror = false, Data = data }; } public static AJaxResult Success(object data, string message) { return new AJaxResult() { iserror = false, Data = data, Message = message }; } #endregion /// <summary> /// 序列化 /// </summary> /// <returns></returns> public override string ToString() { return new JavaScriptSerializer().Serialize(this); } } }

常用的一些JSon操作類,留著備用,需要的朋友的直接拿去用吧。

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