133 lines
3.5 KiB
C#
133 lines
3.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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//using System.Data.OracleClient;
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using System.Data.SqlClient;
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using System.Data.OleDb;
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using DeiNiu.Utils;
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namespace DeiNiu
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{
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[Serializable]
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public class Connection
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{
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//static string sqlcon_str = System.Configuration.ConfigurationManager.AppSettings["SqlConnectionString"];
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private static string _ConnectionString = null;
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private static string sqlcon_str
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{
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get
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{
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if (_ConnectionString == null)
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_ConnectionString = ConString();// System.Configuration.ConfigurationManager.AppSettings["SqlConnectionString"];
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return _ConnectionString;
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}
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}
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//private OracleConnection _OrclCon = null;
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private SqlConnection _sqlCon = null;
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// private OleDbConnection _oledbCon = null;
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public SqlConnection getSqlCon()
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{
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try
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{
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_sqlCon = new SqlConnection(sqlcon_str);
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_sqlCon.Open();
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return _sqlCon;
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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/*
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public OracleConnection getOraCon()
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{
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try
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{
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_OrclCon = new OracleConnection(oracon_str);
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_OrclCon.Open();
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return _OrclCon;
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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public OleDbConnection getOleCon()
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{
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try
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{
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//oledb_str = "Provider=OraOLEDB.Oracle.1;Password=welcome;Persist Security Info=True;User ID=hradmin;Data Source=cpor";
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_oledbCon = new OleDbConnection(oledb_str);
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_oledbCon.Open();
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return _oledbCon;
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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*/
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/// <summary>
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/// 数据库连接字符串，自动判断加密状态并获取对应连接字符串。
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/// </summary>
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/// <returns></returns>
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public static string ConString()
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{
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if (!string.IsNullOrEmpty(WmsConstants.SQL_CONN_WMS))
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{
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return WmsConstants.SQL_CONN_WMS;
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}
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if (IsEncrypt())
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{
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string cstr = System.Configuration.ConfigurationManager.AppSettings["SqlConnectionString"];
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try
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{
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//解密后的数据库连接字符串
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cstr = DeiNiu.Utils.DESEncrypt.Decrypt(cstr);
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return cstr;
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}
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catch
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{
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//如果勾选加密，第一次登陆时取到的是未加密连接字符串，所以直接返回。如果返回空字符串会导致首次登陆失败。
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//ConfigurationManager.AppSettings["ConnectionString"] = string.Empty;
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//return string.Empty;
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return cstr;
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}
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}
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else
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{
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//无须解密的数据库连接字符串
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return System.Configuration.ConfigurationManager.AppSettings["SqlConnPlatform"];
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}
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}
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/// <summary>
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/// 验证是否已加密
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/// </summary>
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/// <returns></returns>
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internal static bool IsEncrypt()
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{
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switch (System.Configuration.ConfigurationManager.AppSettings["ConStringEncrypt"])
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{
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case "1":
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case "TRUE":
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case "true":
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return true;
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default:
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return false;
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}
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}
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}
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}
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