ldj/Model/base/Connection.cs

using System;
using System.Collections.Generic;
using System.Text;
//using System.Data.OracleClient;
using System.Data.SqlClient;
using System.Data.OleDb;
using DeiNiu.Utils;

namespace DeiNiu.Data.DataAccess
{
    [Serializable]
  public  class Connection
    {
      
 ¡¡       //static string sqlcon_str = System.Configuration.ConfigurationManager.AppSettings["SqlConnectionString"];

       //  private static string _ConnectionString = null;

         private string sqlcon_str
         {
             get
             { 
                 /*
                 if (_ConnectionString == null)
                     _ConnectionString = (dt == enumDbInstance.wms? wmsConString() : platformConString());// System.Configuration.ConfigurationManager.AppSettings["SqlConnectionString"];
                 return _ConnectionString;
                 */

                 //return dt == enumDbInstance.platForm ?platformConString()  : wmsConString() ;


                 switch (dt){

                     case enumDbInstance.platForm:
                         return platformConString();
                     case enumDbInstance.wms:
                         return wmsConString();
                     case enumDbInstance.tms:
                         return wmsConString();
                     case enumDbInstance.wms_erp:
                         return wms_erpConString();
                     default:
                         return wmsConString();

                 }


             }
         }

      private int operater;
      private   enumDbInstance dt = enumDbInstance.platForm;
      //private OracleConnection _OrclCon = null;
      private SqlConnection _sqlCon = null;
 //     private OleDbConnection _oledbCon = null;
      public SqlConnection getSqlCon(enumDbInstance dt)
      {
          this.operater = operater;
          this.dt = dt;
          try
          {
              _sqlCon = new SqlConnection(sqlcon_str);
             //SqlConnection.ClearPool(_sqlCon); //https://stackoverflow.com/questions/26340644/sql-server-pre-login-handshake
              _sqlCon.Open();
              return _sqlCon;
          }
          catch (Exception ex)
          {
              LogHelper.WriteLog(typeof(Connection), ex);
              throw ex;
          }
      }

      /*
      public OracleConnection getOraCon()
      {
          try
          {             
              _OrclCon = new OracleConnection(oracon_str);
              _OrclCon.Open();
              return _OrclCon;
          }
          catch (Exception ex)
          {
              throw ex;
          }
      }
       

      public  OleDbConnection getOleCon()
      {
          try
          {
              //oledb_str = "Provider=OraOLEDB.Oracle.1;Password=welcome;Persist Security Info=True;User ID=hradmin;Data Source=cpor";
              _oledbCon = new OleDbConnection(oledb_str);
              _oledbCon.Open();
              return _oledbCon;
          }
          catch (Exception ex)
          {
              throw ex;
          }
      }
*/

      /// <summary>  
      /// Êý¾Ý¿âÁ¬½Ó×Ö·û´®£¬×Ô¶¯ÅжϼÓÃÜ״̬²¢»ñÈ¡¶ÔÓ¦Á¬½Ó×Ö·û´®¡£  
      /// </summary>  
      /// <returns></returns>  
      public static string wmsConString()
      {
          if (!string.IsNullOrEmpty(WmsConstants.SQL_CONN_WMS))
          {
              return WmsConstants.SQL_CONN_WMS;
          }
          string cstr = System.Configuration.ConfigurationManager.AppSettings["SqlConnWMS"];
          WmsConstants.SQL_CONN_WMS = cstr;
          if (IsEncrypt())
          {
             // string cstr = System.Configuration.ConfigurationManager.AppSettings["SqlConnectionString"];
              try
              {
                  //½âÃܺóµÄÊý¾Ý¿âÁ¬½Ó×Ö·û´®  
                  cstr = DeiNiu.Utils.DESEncrypt.Decrypt(cstr);
                  WmsConstants.SQL_CONN_WMS = cstr;
                  return cstr;
              }
              catch
              {
                  //Èç¹û¹´Ñ¡¼ÓÃÜ£¬µÚÒ»´ÎµÇ½ʱȡµ½µÄÊÇδ¼ÓÃÜÁ¬½Ó×Ö·û´®£¬ËùÒÔÖ±½Ó·µ»Ø¡£Èç¹û·µ»Ø¿Õ×Ö·û´®»áµ¼ÖÂÊ״εǽʧ°Ü¡£  
                  //ConfigurationManager.AppSettings["ConnectionString"] = string.Empty;  
                  //return string.Empty;  
                  WmsConstants.SQL_CONN_WMS = cstr;
                  return cstr;
              }
          }
          else
          {
              //ÎÞÐë½âÃܵÄÊý¾Ý¿âÁ¬½Ó×Ö·û´®  

              return cstr;// System.Configuration.ConfigurationManager.AppSettings["SqlConnectionString"];
          }

      }
      /// <summary>  
      /// Êý¾Ý¿âÁ¬½Ó×Ö·û´®£¬×Ô¶¯ÅжϼÓÃÜ״̬²¢»ñÈ¡¶ÔÓ¦Á¬½Ó×Ö·û´®¡£  
      /// </summary>  
      /// <returns></returns>  
      public static string platformConString()
      {
          if (!string.IsNullOrEmpty(WmsConstants.SQL_CONN_PLATFORM))
          {
              return WmsConstants.SQL_CONN_PLATFORM;
          }
          string cstr = System.Configuration.ConfigurationManager.AppSettings["SqlConnPlatform"];
          WmsConstants.SQL_CONN_PLATFORM = cstr;
          if (IsEncrypt())
          {
              
              try
              {
                  //½âÃܺóµÄÊý¾Ý¿âÁ¬½Ó×Ö·û´®  
                  cstr = DeiNiu.Utils.DESEncrypt.Decrypt(cstr);
                  WmsConstants.SQL_CONN_PLATFORM = cstr;
                  return cstr;
              }
              catch
              {
                 
                  WmsConstants.SQL_CONN_PLATFORM = cstr;
                  return cstr;
              }
          }
          else
          {
              //ÎÞÐë½âÃܵÄÊý¾Ý¿âÁ¬½Ó×Ö·û´®  

              return cstr;// System.Configuration.ConfigurationManager.AppSettings["SqlConnectionString"];
          }

      }

      public static string wms_erpConString()
      {
          if (!string.IsNullOrEmpty(WmsConstants.SQL_CONN_WMS_ERP))
          {
              return WmsConstants.SQL_CONN_WMS_ERP;
          }
          string cstr = System.Configuration.ConfigurationManager.AppSettings["SqlconnWms_erp"];
          WmsConstants.SQL_CONN_WMS_ERP = cstr;
          if (IsEncrypt())
          {

              try
              {
                  //½âÃܺóµÄÊý¾Ý¿âÁ¬½Ó×Ö·û´®  
                  cstr = DeiNiu.Utils.DESEncrypt.Decrypt(cstr);
                  WmsConstants.SQL_CONN_WMS_ERP = cstr;
                  return cstr;
              }
              catch
              {

                  WmsConstants.SQL_CONN_WMS_ERP = cstr;
                  return cstr;
              }
          }
          else
          {
              //ÎÞÐë½âÃܵÄÊý¾Ý¿âÁ¬½Ó×Ö·û´®  

              return cstr;// System.Configuration.ConfigurationManager.AppSettings["SqlConnectionString"];
          }

      }

      /// <summary>  
      /// ÑéÖ¤ÊÇ·ñÒѼÓÃÜ  
      /// </summary>  
      /// <returns></returns>  
      internal static bool IsEncrypt()
      {
          switch (System.Configuration.ConfigurationManager.AppSettings["ConStringEncrypt"])
          {
              case "1":
              case "TRUE":
              case "true":
                  return true;
              default:
                  return false;
          }
      }
    }
}