Asp.Net+json操作クラス

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using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Text;

using System.Reflection;

using System.Collections;

using System.Data;

using System.Data.Common;

using System.Web.Script.Serialization;

namespace Common

{

    /// <summary>

    /// Summary description for FormatToJson

    /// </summary>

    public class FormatToJson

    {

        public FormatToJson()

        {

            //

            // TODO: Add constructor logic here

            //

        }

        #region ListToJson

        /// <summary>  

        /// List  json   

        /// </summary>  

        /// <typeparam name="T"></typeparam>  

        /// <param name="jsonName"></param>  

        /// <param name="list"></param>  

        /// <returns></returns>  

        public static string ListToJson<T>(IList<T> list, string jsonName)

        {

            StringBuilder Json = new StringBuilder();

            if (string.IsNullOrEmpty(jsonName))

                jsonName = list[0].GetType().Name;

            Json.Append("{\"" + jsonName + "\":[");

            if (list.Count > 0)

            {

                for (int i = 0; i < list.Count; i++)

                {

                    T obj = Activator.CreateInstance<T>();

                    PropertyInfo[] pi = obj.GetType().GetProperties();

                    Json.Append("{");

                    for (int j = 0; j < pi.Length; j++)

                    {

                        //          ,         

                        if (Common.Tools.IsNullOrEmpty(pi[j].GetValue(list[i], null)))

                        {



                            Json.Append("\"" + pi[j].Name.ToString() + "\":" + "\"\"");

                        }

                        else

                        {

                            Type type = pi[j].GetValue(list[i], null).GetType();

                            Json.Append("\"" + pi[j].Name.ToString() + "\":" + StringFormat(pi[j].GetValue(list[i], null).ToString(), type));

                        }

                        if (j < pi.Length - 1)

                        {

                            Json.Append(",");

                        }

                    }

                    Json.Append("}");

                    if (i < list.Count - 1)

                    {

                        Json.Append(",");

                    }

                }

            }

            Json.Append("]}");

            return Json.ToString();

        }

        /// <summary>  

        /// List  json (   jsonName  )  

        /// </summary>  

        /// <typeparam name="T"></typeparam>  

        /// <param name="list"></param>  

        /// <returns></returns>  

        public static string ListToJsonNoName<T>(IList<T> list)

        {

            StringBuilder Json = new StringBuilder();

            Json.Append("[");

            if (list.Count > 0)

            {

                for (int i = 0; i < list.Count; i++)

                {

                    T obj = Activator.CreateInstance<T>();

                    PropertyInfo[] pi = obj.GetType().GetProperties();

                    Json.Append("{");

                    for (int j = 0; j < pi.Length; j++)

                    {

                        //          ,         

                        if (Common.Tools.IsNullOrEmpty(pi[j].GetValue(list[i], null)))

                        {



                            Json.Append("\"" + pi[j].Name.ToString() + "\":" + "\"\"");

                        }

                        else

                        {

                            Type type = pi[j].GetValue(list[i], null).GetType();

                            Json.Append("\"" + pi[j].Name.ToString() + "\":" + StringFormat(pi[j].GetValue(list[i], null).ToString(), type));

                        }

                        if (j < pi.Length - 1)

                        {

                            Json.Append(",");

                        }

                    }

                    Json.Append("}");

                    if (i < list.Count - 1)

                    {

                        Json.Append(",");

                    }

                }

            }

            Json.Append("]");

            return Json.ToString();



        }



        /// <summary>  

        /// List  json   

        /// </summary>  

        /// <typeparam name="T"></typeparam>  

        /// <param name="list"></param>  

        /// <returns></returns>  

        public static string ListToJson<T>(IList<T> list)

        {

            object obj = list[0];

            return ListToJson<T>(list, obj.GetType().Name);

        } 

        #endregion

        /// <summary>

        ///    object  

        /// </summary>

        /// <param name="obj">object  </param>

        /// <returns></returns>

        public static string ScriptSerializationToJson(object obj)

        {

            return new JavaScriptSerializer().Serialize(obj);



        }

        /// <summary>

        ///   json

        /// </summary>

        /// <typeparam name="T"></typeparam>

        /// <param name="input"></param>

        /// <returns></returns>

        public static object DeserializeToJson(string input)

        {

            return new JavaScriptSerializer().DeserializeObject(input);

        }

        /// <summary>   

        ///      Json      

        /// </summary>   

        /// <param name="jsonObject">  </param>   

        /// <returns>Json   </returns>   

        public static string ToJson(object jsonObject)

        {

            string jsonString = "{";

            PropertyInfo[] propertyInfo = jsonObject.GetType().GetProperties();

            for (int i = 0; i < propertyInfo.Length; i++)

            {

                object objectValue = propertyInfo[i].GetGetMethod().Invoke(jsonObject, null);

                string value = string.Empty;

                if (objectValue is DateTime || objectValue is Guid || objectValue is TimeSpan)

                {

                    value = "'" + objectValue.ToString() + "'";

                }

                else if (objectValue is string)

                {

                    value = "'" + ToJson(objectValue.ToString()) + "'";

                }

                else if (objectValue is IEnumerable)

                {

                    value = ToJson((IEnumerable)objectValue);

                }

                else

                {

                    value = ToJson(objectValue.ToString());

                }

                jsonString += "\"" + ToJson(propertyInfo[i].Name) + "\":" + value + ",";

            }

            jsonString.Remove(jsonString.Length - 1, jsonString.Length);

            return jsonString + "}";

        }



        /// <summary>   

        ///       Json   

        /// </summary>   

        /// <param name="array">    </param>   

        /// <returns>Json   </returns>   

        public static string ToJson(IEnumerable array)

        {

            string jsonString = "[";

            foreach (object item in array)

            {

                jsonString += ToJson(item) + ",";

            }

            jsonString.Remove(jsonString.Length - 1, jsonString.Length);

            return jsonString + "]";

        }



        /// <summary>   

        ///       Json   

        /// </summary>   

        /// <param name="array">    </param>   

        /// <returns>Json   </returns>   

        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 + "]";

        }







        /// <summary>   

        /// Datatable   Json   

        /// </summary>   

        /// <param name="table">Datatable  </param>   

        /// <returns>Json   </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("]");

            return jsonString.ToString();

        }

        #region  MINIUI   json    

        /// <summary>

        ///  miniui  json  (  ,    ,          json

        /// </summary>

        /// <param name="MiniUi">    json,  [{"id":1,"name":"tianzh"},{"id":2,"name":"3"}]</param>

        /// <param name="total">     </param>

        /// <returns></returns>

        public static string MiniUiToJsonFormat(string MiniUi, int total)

        {

            StringBuilder sb = new StringBuilder();

            sb.Append("{\"total\":" + total + ",\"data\":" + MiniUi + "}");

            return sb.ToString();



        }

        /// <summary>

        ///    muniUi     json 

        ///     :[{id:"root",text:"    ",expanded:false,children:[{id:"xxx",text:"xx"},{id:"xxx",text:"xx"}]}]

        /// </summary>

        /// <param name="strMiniUi">     [{id:"xxx",text:"xx"},{id:"xxx",text:"xx"}]</param>

        /// <param name="rootName">   </param>

        /// <returns></returns>

        public static string MiniUiToJsonForTree(string strMiniUi, string rootName)

        {

            StringBuilder sb = new StringBuilder();

            sb.Append("[{\"id\":\"-1\",\"text\":\"" + rootName + "\",\"children\":" + strMiniUi + "}]");

            return sb.ToString();

        }

        /// <summary>

        ///      MiniUi  json  (List->json)

        /// </summary>

        /// <typeparam name="T">  </typeparam>

        /// <param name="list">   Ilist   list</param>

        /// <param name="total">    </param>

        /// <param name="paramMaxMinAvg">          ,string para="\"maxAge\":37,\"avgAge\":27,\"minAge\":24"</param>

        /// <returns></returns>

        public static string MiniUiListToJson<T>(IList<T> list, int total, string paramMaxMinAvg)

        {

            StringBuilder Json = new StringBuilder();

            Json.Append("{\"total\":" + total + ",");

            if (!string.IsNullOrEmpty(paramMaxMinAvg))

                Json.Append(paramMaxMinAvg);

            Json.Append("\"data\":[");

            if (list.Count > 0)

            {

                for (int i = 0; i < list.Count; i++)

                {

                    T obj = Activator.CreateInstance<T>();

                    PropertyInfo[] pi = obj.GetType().GetProperties();

                    Json.Append("{");

                    for (int j = 0; j < pi.Length; j++)

                    {

                        //          ,         

                        if (Common.Tools.IsNullOrEmpty(pi[j].GetValue(list[i], null)))

                        {



                            Json.Append("\"" + pi[j].Name.ToString() + "\":" + "\"\"");

                        }

                        else

                        {

                            Type type = pi[j].GetValue(list[i], null).GetType();

                            Json.Append("\"" + pi[j].Name.ToString() + "\":" + StringFormat(pi[j].GetValue(list[i], null).ToString(), type));

                        }



                        if (j < pi.Length - 1)

                        {

                            Json.Append(",");

                        }

                    }

                    Json.Append("}");

                    if (i < list.Count - 1)

                    {

                        Json.Append(",");

                    }

                }

            }

            Json.Append("]}");

            return Json.ToString();



        } 

        #endregion

        #region  easyUI   json  

        /// <summary>

        ///      EasyUI  json  (List->json)

        /// </summary>

        /// <typeparam name="T"></typeparam>

        /// <param name="list"></param>

        /// <param name="total"></param>

        /// <returns></returns>

        public static string EasyUIListToJson<T>(IList<T> list, int total)

        {

            StringBuilder Json = new StringBuilder();

            Json.AppendLine("{\"total\":" + total + ",");

            Json.Append("\"rows\":[");

            if (list.Count > 0)

            {

                for (int i = 0; i < list.Count; i++)

                {

                    T obj = Activator.CreateInstance<T>();

                    PropertyInfo[] pi = obj.GetType().GetProperties();

                    Json.Append("{");

                    for (int j = 0; j < pi.Length; j++)

                    {

                        Type type = pi[j].GetValue(list[i], null).GetType();

                        Json.Append("\"" + pi[j].Name.ToString() + "\":" + StringFormat(pi[j].GetValue(list[i], null).ToString(), type));



                        if (j < pi.Length - 1)

                        {

                            Json.Append(",");

                        }

                    }

                    Json.Append("}");

                    if (i < list.Count - 1)

                    {

                        Json.Append(",");

                    }

                }

            }

            Json.Append("]}");

            return Json.ToString();



        }

        /// <summary>

        ///      DataGrid json  

        /// </summary>

        /// <param name="dt"></param>

        /// <param name="jsonName"></param>

        /// <returns></returns>

        public static string EasyUIDataGridToJson(DataTable dt, string jsonName, int total)

        {

            StringBuilder Json = new StringBuilder();

            if (string.IsNullOrEmpty(jsonName))

                jsonName = dt.TableName;

            Json.Append("{\"total\":" + total + ",\"" + 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].ToString(), type));



                        if (j < dt.Columns.Count - 1)

                        {

                            Json.Append(",");

                        }



                    }

                    //    

                    Json.Append(",\"opt\":\"  \"");







                    Json.Append("}");

                    if (i < dt.Rows.Count - 1)

                    {

                        Json.Append(",");

                    }

                }

            }

            Json.Append("]}");

            return Json.ToString();

        }

        #endregion

        /// <summary>  

        /// DataTable  Json   

        /// </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].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>   

        /// DataReader   Json   

        /// </summary>   

        /// <param name="dataReader">DataReader  </param>   

        /// <returns>Json   </returns>   

        public static string ToJson(DbDataReader dataReader)

        {

            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("},");

            }

            dataReader.Close();

            jsonString.Remove(jsonString.Length - 1, 1);

            jsonString.Append("]");

            return jsonString.ToString();

        }



        /// <summary>   

        /// DataSet   Json   

        /// </summary>   

        /// <param name="dataSet">DataSet  </param>   

        /// <returns>Json   </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>  

        ///         

        /// </summary>  

        /// <param name="s"></param>  

        /// <returns></returns>  

        private 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 '
': sb.Append("\
"); break; case '\r': sb.Append("\\r"); break; case '\t': sb.Append("\\t"); break; default: sb.Append(c); break; } } return sb.ToString(); } /// <summary> /// 、 、 /// </summary> /// <param name="str"></param> /// <param name="type"></param> /// <returns></returns> private static string StringFormat(string str, Type type) { if (type == typeof(string)) { str = String2Json(str); str = "\"" + str + "\""; } else if (type == typeof(DateTime)) { DateTime dt = DateTime.Parse(str); str = "\"" + dt.GetDateTimeFormats('s')[0].ToString() + "\""; // str = + str + ; } else if (type == typeof(bool)) { str = str.ToLower(); } return str; } } }