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using Dapper;using Dapper.Contrib;using Dapper.Contrib.Extensions;using NFine.Code;using System;using System.Collections.Generic;using System.Configuration;using System.Data.SqlClient;using System.IO;using System.Linq;using System.Reflection;using System.Security.Cryptography;using System.Text;using System.Threading.Tasks;
namespace NFine.Application.BBWMS{ public class DapperData {
}
/// <summary>
/// Dapper 帮助类 SQL Server
/// </summary>
public class MsSqlData { private static string connString = string.Empty; static MsSqlData() { connString = FromMd5(ConfigurationManager.ConnectionStrings["connstr"].ConnectionString); // connString = DESEncrypt.Decrypt(connString);
//if (ConStringDESEncrypt == "true")
//{
// connString = DESEncrypt.Decrypt(connString);
//}
}
/// <summary>
/// MD5解密
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string FromMd5(string str) { //return str;
return Decrypt(str, "&%#@?,:*_"); }
/// <summary>
/// 解密
/// </summary>
/// <param name="strText"></param>
/// <param name="sDecrKey"></param>
/// <returns></returns>
private static String Decrypt(String strText, String sDecrKey) { Byte[] byKey = { }; Byte[] IV = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF }; Byte[] inputByteArray = new byte[strText.Length]; try { byKey = System.Text.Encoding.UTF8.GetBytes(sDecrKey.Substring(0, 8)); DESCryptoServiceProvider des = new DESCryptoServiceProvider(); inputByteArray = Convert.FromBase64String(strText); MemoryStream ms = new MemoryStream(); CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(byKey, IV), CryptoStreamMode.Write); cs.Write(inputByteArray, 0, inputByteArray.Length); cs.FlushFinalBlock(); System.Text.Encoding encoding = System.Text.Encoding.UTF8; return encoding.GetString(ms.ToArray()); } catch (Exception ex) { return ex.Message; } }
/// <summary>
/// 第一行第一列
/// </summary>
/// <param name="connString"></param>
/// <param name="sql"></param>
/// <param name="param"></param>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public static object ExecuteScalar(string sql, object param = null) { try { using (var connection = new SqlConnection()) { connection.ConnectionString = connString; connection.Open();
var name = connection.ExecuteScalar<object>(sql, param);
return name; } } catch (Exception ex) { throw new Exception(ex.Message); } }
/// <summary>
/// 执行
/// </summary>
/// <param name="sql"></param>
/// <param name="param"></param>
/// <returns></returns>
public static int Execute(string sql, object param = null) { try { using (var connection = new SqlConnection()) { connection.ConnectionString = connString; connection.Open();
var name = connection.Execute(sql, param);
return name; } } catch (Exception ex) { throw new Exception(ex.Message); } }
/// <summary>
/// 查询
/// </summary>
/// <typeparam name="T">模型</typeparam>
/// <param name="connString">连接字符串</param>
/// <param name="sql">sql语句</param>
/// <returns>List<T></returns>
/// <exception cref="Exception"></exception>
public static IEnumerable<T> Query<T>(string sql, object param = null) where T : class, new() { try { using (var connection = new SqlConnection()) { connection.ConnectionString = connString; connection.Open(); var list = connection.Query<T>(sql, param); return list; } } catch (Exception ex) { throw new Exception(ex.Message); } }
public static T Get<T>(object num) where T : class { try { using (var connection = new SqlConnection()) { connection.ConnectionString = connString; connection.Open();
var invoice = connection.Get<T>(num); return invoice; } } catch (Exception ex) { throw new Exception(ex.Message); } }
/// <summary>
/// 查询所有
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="connString"></param>
/// <returns></returns>
public static IEnumerable<T> GetAll<T>() where T : class, new() { try { using (var connection = new SqlConnection(connString)) { connection.Open();
var invoices = connection.GetAll<T>(); return invoices; } } catch (Exception ex) { throw ex; } }
/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="model"></param>
/// <returns></returns>
public static bool Insert<T>(T model, SqlTransaction sqlTransaction = null) where T : class { try { using (var connection = new SqlConnection()) { connection.ConnectionString = connString; connection.Open(); var identity = connection.Insert<T>(model, sqlTransaction); return true;
} } catch (Exception ex) { throw ex; } }
/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list"></param>
/// <returns></returns>
public static bool Insert<T>(List<T> list) where T : class { var isSuccess = true; using (var connection = new SqlConnection()) { connection.ConnectionString = connString; connection.Open(); using (var transaction = connection.BeginTransaction()) { try { var identity = connection.Insert<List<T>>(list, transaction); isSuccess = true;
transaction.Commit(); return isSuccess; } catch (Exception ex) { transaction.Rollback(); throw ex; } } } }
/// <summary>
/// 修改
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="model"></param>
/// <returns></returns>
public static bool Update<T>(T model) where T : class { try { using (var connection = new SqlConnection()) { connection.ConnectionString = connString; connection.Open(); return connection.Update<T>(model); } } catch (Exception ex) { throw ex; } }
/// <summary>
/// 修改
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="model"></param>
/// <returns></returns>
public static bool Update<T>(List<T> list) where T : class { var isSuccess = true; using (var connection = new SqlConnection()) { connection.ConnectionString = connString; connection.Open(); using (var transaction = connection.BeginTransaction()) { try { var identity = connection.Update<List<T>>(list, transaction); isSuccess = true;
transaction.Commit(); return isSuccess; } catch (Exception ex) { transaction.Rollback(); throw ex; } } } }
/// <summary>
/// 删除
/// </summary>
/// <typeparam name="T">实体</typeparam>
/// <param name="model"></param>
/// <returns></returns>
public static bool Delete<T>(T model) where T : class { try { using (var connection = new SqlConnection()) { connection.ConnectionString = connString; connection.Open(); return connection.Delete<T>(model); }
} catch (Exception ex) { throw ex; } }
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list"></param>
/// <returns></returns>
public static bool Delete<T>(List<T> list) { var isSuccess = true; using (var connection = new SqlConnection()) { connection.ConnectionString = connString; connection.Open(); using (var transaction = connection.BeginTransaction()) { try { isSuccess = connection.Delete<List<T>>(list, transaction); if (isSuccess) { transaction.Commit(); return isSuccess; } else { throw new Exception("删除失败"); } } catch (Exception ex) { transaction.Rollback(); throw ex; } } } }
}
}
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