DapperEx/DbBase.cs

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using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.Common;
using System.Linq;
using System.Text;

namespace DapperEx
{
    public class DbBase : IDisposable
    {
        private string paramPrefix = "@";
        private string providerName = "System.Data.SqlClient";
        private IDbConnection dbConnecttion;
        private DbProviderFactory dbFactory;
        private DBType _dbType = DBType.SqlServer;
        public IDbConnection DbConnecttion
        {
            get
            {
                return dbConnecttion;
            }
        }
        public IDbTransaction DbTransaction
        {
            get
            {
                return dbConnecttion.BeginTransaction();
            }
        }
        public string ParamPrefix
        {
            get
            {
                return paramPrefix;
            }
        }
        public string ProviderName
        {
            get
            {
                return providerName;
            }
        }
        public DBType DbType
        {
            get
            {
                return _dbType;
            }
        }
        public DbBase(string connectionStringName)
        {
            var connStr = ConfigurationManager.ConnectionStrings[connectionStringName].ConnectionString;
            if (!string.IsNullOrEmpty(ConfigurationManager.ConnectionStrings[connectionStringName].ProviderName))
                providerName = ConfigurationManager.ConnectionStrings[connectionStringName].ProviderName;
            else
                throw new Exception("ConnectionStrings中没有配置提供程序ProviderName！");
            dbFactory = DbProviderFactories.GetFactory(providerName);