c# jsonhelper 操作辅助类,拿来直接用（c# jsonhelper 操作辅助类,拿来直接用）

四个主要操作类：JsonConverter 、JsonHelper 、JsonSplit 、AjaxResult

一、JsonConverter：

自定义查询对象转换动态类、object动态类转换json包、json转换object动态类、DataReader转换为Json、DataSet转换为Json、DataTable转成Json、Datatable转换为Json 、格式化字符型日期型布尔型、过滤特殊字符等

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> /// 自定义查询对象转换动态类 /// 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动态类转换json包 /// add yuangang by 2015-05-19 /// </summary> /// <param name="obj">对象</param> /// <param name="DateConvert">时间戳是否转换成日期类型</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转换object动态类 /// 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转换为Json /// </summary> /// <param name="dataReader">DataReader对象</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转换为Json /// add yuangang by 2015-05-19 /// </summary> /// <param name="dataSet">DataSet对象</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转成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转换为Json /// add yuangang by 2015-05-19 /// </summary> /// <param name="table">Datatable对象</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、布尔型 /// 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> /// 过滤特殊字符 /// 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> /// 动态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> /// 动态JSON转换 /// 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的辅助类

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> /// 提供了一个关于json的辅助类 /// </summary> public class JsonHelper { #region Method /// <summary> /// 类对像转换成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> /// 类对像转换成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格式转换 /// </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：将List转换为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> /// 数据状态 /// </summary> public string Status { get; set; } /// <summary> /// 提示信息 /// </summary> public string Msg { get; set; } /// <summary> /// 回传URL /// </summary> public string ReUrl { get; set; } /// <summary> /// 数据包 /// </summary> public object Data { get; set; } #endregion } }

三、JsonSplit：判断字符串是否为Json

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using System.Collections.Generic; using System.Linq; using System.Web; namespace Common { /// <summary> /// 判断字符串是否为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)//设置关键符号状态。 { 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> /// 获取值的长度（当Json值嵌套以"{"或"["开头时） /// </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))//设置关键符号状态。 { if (!cs.jsonStart && !cs.arrayStart)//json结束，又不是数组，则退出。 { break; } } else if (cs.childrenStart)//正常字符，值状态下。 { int length = GetValueLength(json.Substring(i), breakOnErr, out errIndex);//递归子值，返回一个长度。。。 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)//记录当前结束位置。 { len = i + 1;//长度比索引+1 break; } } } return len; } /// <summary> /// 字符状态 /// </summary> private class CharState { internal bool jsonStart = false;//以 "{"开始了... internal bool setDicValue = false;// 可以设置字典值了。 internal bool escapeChar = false;//以"\"转义符号开始了 /// <summary> /// 数组开始【仅第一开头才算】，值嵌套的以【childrenStart】来标识。 /// </summary> internal bool arrayStart = false;//以"[" 符号开始了 internal bool childrenStart = false;//子级嵌套开始了。 /// <summary> /// 【0 初始状态，或遇到“,”逗号】；【1 遇到“：”冒号】 /// </summary> internal int state = 0; /// <summary> /// 【-1 取值结束】【0 未开始】【1 无引号开始】【2 单引号开始】【3 双引号开始】 /// </summary> internal int keyStart = 0; /// <summary> /// 【-1 取值结束】【0 未开始】【1 无引号开始】【2 单引号开始】【3 双引号开始】 /// </summary> internal int valueStart = 0; internal bool isError = false;//是否语法错误。 internal void CheckIsError(char c)//只当成一级处理（因为GetLength会递归到每一个子项处理） { 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;//重复开始错误同时不是值处理。 break; case '}': isError = !jsonStart || (keyStart != 0 && state == 0);//重复结束错误或者提前结束{"aa"}。正常的有{} break; case '[': isError = arrayStart && state == 0;//重复开始错误 break; case ']': isError = !arrayStart || jsonStart;//重复开始错误或者 Json 未结束 break; case '"': case '\'': isError = !(jsonStart || arrayStart); //json 或数组开始。 if (!isError) { //重复开始 [""",{"" "}] isError = (state == 0 && keyStart == -1) || (state == 1 && valueStart == -1); } if (!isError && arrayStart && !jsonStart && c == '\'')//['aa',{}] { isError = true; } break; case ':': isError = !jsonStart || state == 1;//重复出现。 break; case ',': isError = !(jsonStart || arrayStart); //json 或数组开始。 if (!isError) { if (jsonStart) { isError = state == 0 || (state == 1 && valueStart > 1);//重复出现。 } else if (arrayStart)//["aa,] [,] [{},{}] { isError = keyStart == 0 && !setDicValue; } } break; case ' ': case '\r': case '\n'://[ "a",\r\n{} ] case '\0': case '\t': break; default: //值开头。。 isError = (!jsonStart && !arrayStart) || (state == 0 && keyStart == -1) || (valueStart == -1 && state == 1);// break; } //if (isError) //{ //} } } /// <summary> /// 设置字符状态(返回true则为关键词，返回false则当为普通字符处理） /// </summary> private static bool SetCharState(char c, ref CharState cs) { cs.CheckIsError(c); switch (c) { case '{'://[{ "[{A}]":[{"[{B}]":3,"m":"C"}]}] #region 大括号 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;//开始。 return true; } #endregion break; case '}': #region 大括号结束 if (cs.keyStart <= 0 && cs.valueStart < 2 && cs.jsonStart) { cs.jsonStart = false;//正常结束。 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 中括号开始 if (!cs.jsonStart) { cs.arrayStart = true; return true; } else if (cs.jsonStart && cs.state == 1) { cs.childrenStart = true; return true; } #endregion break; case ']': #region 中括号结束 if (cs.arrayStart && !cs.jsonStart && cs.keyStart <= 2 && cs.valueStart <= 0)//[{},333]//这样结束。 { cs.keyStart = 0; cs.valueStart = 0; cs.arrayStart = false; return true; } #endregion break; case '"': case '\'': #region 引号 if (cs.jsonStart || cs.arrayStart) { if (cs.state == 0)//key阶段,有可能是数组["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)//值阶段必须是Json开始了。 { 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 冒号 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 逗号 //["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;//跳过空格。 } break; default: //值开头。。 if (c == '\\') //转义符号 { if (cs.escapeChar) { cs.escapeChar = false; } else { cs.escapeChar = true; return true; } } else { cs.escapeChar = false; } if (cs.jsonStart || cs.arrayStart) // Json 或数组开始了。 { if (cs.keyStart <= 0 && cs.state == 0) { cs.keyStart = 1;//无引号的 } else if (cs.valueStart <= 0 && cs.state == 1 && cs.jsonStart)//只有Json开始才有值。 { cs.valueStart = 1;//无引号的 } } break; } return false; } } }

四、AjaxResult：前台Ajax请求的统一返回结果类

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请求的统一返回结果类 /// </summary> public class AjaxResult { private AjaxResult() { } private bool iserror = false; /// <summary> /// 是否产生错误 /// </summary> public bool IsError { get { return iserror; } } /// <summary> /// 错误信息，或者成功信息 /// </summary> public string Message { get; set; } /// <summary> /// 成功可能时返回的数据 /// </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); } } }