using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Web.UI.WebControls;using System.Web.UI.HtmlControls;using System.Data;using System.Collections;using System.Reflection;using System.Text.RegularExpressions;using System.Runtime.Serialization.Json;using System.IO;using System.Web.Script.Serialization;namespace ConsoleWSTest{    public static class Json    {        /// 
        /// List转成json        /// 
        /// 
            ///         ///         /// 
            public static string ListToJson
    
     (IList
     
       list, string jsonName)        {            JavaScriptSerializer jss = new JavaScriptSerializer();            try            {                return jss.Serialize(list);            }            catch (Exception ex)            {                throw new Exception("JSONHelper.JSONToObject(): " + ex.Message);            }        }        public static string ObjectToJson(object obj)        {            System.Web.Script.Serialization.JavaScriptSerializer jss = new System.Web.Script.Serialization.JavaScriptSerializer();            try            {                return jss.Serialize(obj);            }            catch (Exception ex)            {                throw new Exception("JSONHelper.JSONToObject(): " + ex.Message);            }        }        /// 
      
        /// 序列化集合对象        /// 
        public static string JsonSerializerByArrayData
      
       (T[] tArray)        {            DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T[]));            MemoryStream ms = new MemoryStream();            ser.WriteObject(ms, tArray);            string jsonString = Encoding.UTF8.GetString(ms.ToArray());            ms.Close();            string p = @"\\/Date\((\d+)\+\d+\)\\/";            MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString);            Regex reg = new Regex(p);            jsonString = reg.Replace(jsonString, matchEvaluator);            return jsonString;        }        /// 
       
        /// 序列化单个对象        /// 
        public static string JsonSerializerBySingleData
       
        (T t)        {            DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));            MemoryStream ms = new MemoryStream();            ser.WriteObject(ms, t);            string jsonString = Encoding.UTF8.GetString(ms.ToArray());            ms.Close();            string p = @"\\/Date\((\d+)\+\d+\)\\/";            MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString);            Regex reg = new Regex(p);            jsonString = reg.Replace(jsonString, matchEvaluator);            return jsonString;        }        / 
        
        / 反序列化单个对象        / 
        //public static T JsonDeserializeBySingleData
        
         (string jsonString)        //{        //    //将"yyyy-MM-dd HH:mm:ss"格式的字符串转为"\/Date(1294499956278+0800)\/"格式         //    string p = @"\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}";        //    MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertDateStringToJsonDate);        //    Regex reg = new Regex(p);        //    jsonString = reg.Replace(jsonString, matchEvaluator);        //    DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));        //    MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));        //    T obj = (T)ser.ReadObject(ms);        //    return obj;        //}        /// 
         
 /// 反序列化集合对象 /// 
        public static T JsonDeserializeByArrayData
         
          (string jsonString) { JavaScriptSerializer jss = new JavaScriptSerializer(); try { return jss.Deserialize
          
           (jsonString); } catch (Exception ex) { throw new Exception("JSONHelper.JSONToObject(): " + ex.Message); } } /// 
           
 /// 将Json序列化的时间由/Date(1294499956278+0800)转为字符串 /// 
 private static string ConvertJsonDateToDateString(Match m) { string result = string.Empty; DateTime dt = new DateTime(1970, 1, 1); dt = dt.AddMilliseconds(long.Parse(m.Groups[1].Value)); dt = dt.ToLocalTime(); result = dt.ToString("yyyy-MM-dd HH:mm:ss"); return result; } /// 
           
 /// 将时间字符串转为Json时间 /// 
 private static string ConvertDateStringToJsonDate(Match m) { string result = string.Empty; DateTime dt = DateTime.Parse(m.Groups[0].Value); dt = dt.ToUniversalTime(); TimeSpan ts = dt - DateTime.Parse("1970-01-01"); result = string.Format("\\/Date({0}+0800)\\/", ts.TotalMilliseconds); return result; } /// 
           
 /// List转成json /// 
 /// 
            /// 
            /// 
            public static string ListToJson
           
            (IList
            
              list) { object obj = list[0]; return ListToJson
             
              (list, obj.GetType().Name); } /// 
              
 /// 对象转换为Json字符串 /// 
 /// 
              对象 /// 
              
               Json字符串
               public static string ToJson(object jsonObject) { try { StringBuilder jsonString = new StringBuilder(); jsonString.Append("{"); PropertyInfo[] propertyInfo = jsonObject.GetType().GetProperties(); for (int i = 0; i < propertyInfo.Length; i++) { object objectValue = propertyInfo[i].GetGetMethod().Invoke(jsonObject, null); if (objectValue == null) { continue; } StringBuilder value = new StringBuilder(); if (objectValue is DateTime || objectValue is Guid || objectValue is TimeSpan) { value.Append("\"" + objectValue.ToString() + "\""); } else if (objectValue is string) { value.Append("\"" + objectValue.ToString() + "\""); } else if (objectValue is IEnumerable) { value.Append(ToJson((IEnumerable)objectValue)); } else { value.Append("\"" + objectValue.ToString() + "\""); } jsonString.Append("\"" + propertyInfo[i].Name + "\":" + value + ","); ; } return jsonString.ToString().TrimEnd(',') + "}"; } catch (Exception ex) { throw ex; } } /// 
              
 /// 对象集合转换Json /// 
 /// 
              集合对象 /// 
              
               Json字符串
               public static string ToJson(IEnumerable array) { string jsonString = "["; foreach (object item in array) { jsonString += ToJson(item) + ","; } if (jsonString.Length > 1) { jsonString.Remove(jsonString.Length - 1, jsonString.Length); } else { jsonString = "[]"; } return jsonString + "]"; } /// 
              
 /// 普通集合转换Json /// 
 /// 
              集合对象 /// 
              
               Json字符串
               public static string ToArrayString(IEnumerable array) { string jsonString = "["; foreach (object item in array) { jsonString = ToJson(item.ToString()) + ","; } jsonString.Remove(jsonString.Length - 1, jsonString.Length); return jsonString + "]"; } /// 
              
 /// Datatable转换为Json /// 
 /// 
              Datatable对象 /// 
              
               Json字符串
               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(); } /// 
              
 /// DataTable转成Json /// 
 /// 
               /// 
               /// 
               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(); } /// 
              
 /// DataReader转换为Json /// 
 /// 
              DataReader对象 /// 
              
               Json字符串
               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; } } /// 
              
 /// DataSet转换为Json /// 
 /// 
              DataSet对象 /// 
              
               Json字符串
               public static string ToJson(DataSet dataSet) { string jsonString = "{"; foreach (DataTable table in dataSet.Tables) { jsonString += "\"" + table.TableName + "\":" + ToJson(table) + ","; } jsonString = jsonString.TrimEnd(','); return jsonString + "}"; } /// 
              
 /// 过滤特殊字符 /// 
 /// 
               /// 
               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(); } /// 
              
 /// 格式化字符型、日期型、布尔型 /// 
 /// 
               /// 
               /// 
               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; } public static void RegistAjax(HtmlHead Header, Type type) { string assemblyName = type.FullName + "," + type.Assembly.FullName.Substring(0, type.Assembly.FullName.IndexOf(",")); if (type.Assembly.FullName.StartsWith("App_Code.")) { assemblyName = type.FullName + ",App_Code"; } Literal l = new Literal(); l.Text = "\n
              \n" + "
              \n" + "
              \n" + "
              \n"; Header.Controls.Add(l); } }}
             
            
           
          
         
        
       
      
     
    

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