1230 lines
44 KiB
C#
1230 lines
44 KiB
C#
using Dapper;
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using Learun.Util;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Data;
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using System.Data.Common;
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using System.Data.Entity;
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using System.Data.SqlClient;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace Learun.DataBase.SqlServer
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{
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/// <summary>
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/// 版 本 PIT-ADMS V7.0.3 敏捷开发框架
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/// Copyright (c) 2013-2018 Hexagon PPM
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/// 创建人：研发部
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/// 日 期：2017.03.04
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/// 描 述：数据库操作类
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/// </summary>
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public class Database : IDatabase
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{
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#region 构造函数
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///// <summary>
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///// 构造方法
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///// </summary>
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public Database(string connString)
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{
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var obj = ConfigurationManager.ConnectionStrings[connString];
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string connectionString = obj == null ? connString : obj.ConnectionString;
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dbcontext = new DatabaseContext(connectionString);
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}
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#endregion
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#region 属性
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/// <summary>
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/// 获取 当前使用的数据访问上下文对象
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/// </summary>
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public DbContext dbcontext { get; set; }
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/// <summary>
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/// 事务对象
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/// </summary>
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public DbTransaction dbTransaction { get; set; }
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/// <summary>
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/// 获取连接上下文
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/// </summary>
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/// <returns></returns>
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public DbConnection getDbConnection()
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{
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return dbcontext.Database.Connection;
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}
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#endregion
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#region 事物提交
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/// <summary>
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/// 事务开始
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/// </summary>
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/// <returns></returns>
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public IDatabase BeginTrans()
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{
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if (dbcontext.Database.Connection.State == ConnectionState.Closed)
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{
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dbcontext.Database.Connection.Open();
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}
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dbTransaction = dbcontext.Database.Connection.BeginTransaction();
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dbcontext.Database.UseTransaction(dbTransaction);
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return this;
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}
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/// <summary>
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/// 提交当前操作的结果
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/// </summary>
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public int Commit()
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{
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try
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{
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int returnValue = dbcontext.SaveChanges();
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if (dbTransaction != null)
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{
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dbTransaction.Commit();
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this.Close();
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}
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return returnValue;
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}
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catch (Exception ex)
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{
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if (ex.InnerException != null && ex.InnerException.InnerException is SqlException)
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{
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SqlException sqlEx = ex.InnerException.InnerException as SqlException;
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throw ExceptionEx.ThrowDataAccessException(sqlEx, sqlEx.Message);
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}
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throw;
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}
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finally
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{
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if (dbTransaction == null)
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{
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this.Close();
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}
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}
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}
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/// <summary>
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/// 把当前操作回滚成未提交状态
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/// </summary>
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public void Rollback()
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{
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this.dbTransaction.Rollback();
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this.dbTransaction.Dispose();
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this.Close();
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}
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/// <summary>
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/// 关闭连接 内存回收
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/// </summary>
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public void Close()
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{
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dbcontext.Dispose();
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}
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#endregion
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#region 执行 SQL 语句
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/// <summary>
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/// 执行sql语句
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/// </summary>
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/// <param name="strSql">sql语句</param>
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/// <returns></returns>
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public int ExecuteBySql(string strSql)
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{
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try
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{
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return dbcontext.Database.Connection.Execute(strSql, null, dbTransaction);
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}
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catch (Exception)
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{
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throw;
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}
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finally
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{
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if (dbTransaction == null)
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{
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this.Close();
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}
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}
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}
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/// <summary>
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/// 执行sql语句(带参数)
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/// </summary>
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/// <param name="strSql">sql语句</param>
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/// <param name="dbParameter">参数</param>
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/// <returns></returns>
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public int ExecuteBySql(string strSql, object dbParameter)
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{
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try
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{
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return dbcontext.Database.Connection.Execute(strSql, dbParameter, dbTransaction);
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}
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catch (Exception)
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{
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throw;
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}
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finally
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{
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if (dbTransaction == null)
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{
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this.Close();
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}
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}
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}
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/// <summary>
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/// 执行存储过程
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/// </summary>
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/// <param name="procName">存储过程名称</param>
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/// <returns></returns>
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public int ExecuteByProc(string procName)
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{
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try
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{
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return dbcontext.Database.Connection.Execute(procName, null, dbTransaction, null, CommandType.StoredProcedure);
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}
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catch (Exception)
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{
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throw;
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}
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finally
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{
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if (dbTransaction == null)
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{
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this.Close();
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}
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}
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}
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/// <summary>
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/// 执行存储过程
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/// </summary>
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/// <param name="procName">存储过程名称</param>
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/// <param name="dbParameter">参数</param>
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/// <returns></returns>
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public int ExecuteByProc(string procName, object dbParameter)
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{
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try
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{
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return dbcontext.Database.Connection.Execute(procName, dbParameter, dbTransaction, null, CommandType.StoredProcedure);
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}
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catch (Exception)
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{
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throw;
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}
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finally
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{
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if (dbTransaction == null)
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{
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this.Close();
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}
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}
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}
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/// <summary>
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/// 执行存储过程
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/// </summary>
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/// <param name="procName">存储过程名称</param>
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/// <returns></returns>
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public T ExecuteByProc<T>(string procName) where T : class
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{
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try
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{
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return dbcontext.Database.Connection.ExecuteScalar<T>(procName, null, dbTransaction, null, CommandType.StoredProcedure);
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}
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catch (Exception)
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{
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throw;
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}
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finally
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{
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if (dbTransaction == null)
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{
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this.Close();
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}
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}
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}
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/// <summary>
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/// 执行存储过程
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/// </summary>
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/// <param name="procName">存储过程名称</param>
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/// <param name="dbParameter">参数</param>
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/// <returns></returns>
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public T ExecuteByProc<T>(string procName, object dbParameter) where T : class
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{
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try
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{
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return dbcontext.Database.Connection.ExecuteScalar<T>(procName, dbParameter, dbTransaction, null, CommandType.StoredProcedure);
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}
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catch (Exception)
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{
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throw;
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}
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finally
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{
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if (dbTransaction == null)
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{
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this.Close();
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}
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}
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}
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/// <summary>
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/// 执行存储过程
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/// </summary>
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/// <param name="procName">存储过程名称</param>
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/// <returns></returns>
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public IEnumerable<T> QueryByProc<T>(string procName) where T : class
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{
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try
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{
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return dbcontext.Database.Connection.Query<T>(procName, null, dbTransaction, true, null, CommandType.StoredProcedure);
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}
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catch (Exception)
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{
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throw;
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}
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finally
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{
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if (dbTransaction == null)
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{
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this.Close();
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}
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}
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}
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/// <summary>
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/// 执行存储过程
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/// </summary>
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/// <param name="procName">存储过程名称</param>
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/// <param name="dbParameter">参数</param>
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/// <returns></returns>
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public IEnumerable<T> QueryByProc<T>(string procName, object dbParameter) where T : class
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{
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try
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{
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return dbcontext.Database.Connection.Query<T>(procName, dbParameter, dbTransaction, true, null, CommandType.StoredProcedure);
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}
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catch (Exception)
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{
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throw;
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}
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finally
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{
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if (dbTransaction == null)
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{
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this.Close();
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}
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}
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}
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/// <summary>
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/// 执行存储过程（获取集）
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/// </summary>
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/// <param name="procName">存储过程名称</param>
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/// <param name="dbParameter">参数</param>
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/// <returns></returns>
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public DataTable FindTableByProc(string procName, object dbParameter)
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{
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try
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{
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var IDataReader = dbcontext.Database.Connection.ExecuteReader(procName, dbParameter, dbTransaction, null, CommandType.StoredProcedure);
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return SqlHelper.IDataReaderToDataTable(IDataReader);
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}
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catch (Exception)
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{
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throw;
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}
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finally
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{
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if (dbTransaction == null)
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{
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this.Close();
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}
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}
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}
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#endregion
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#region 对象实体 添加、修改、删除
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/// <summary>
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/// 插入实体数据
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/// </summary>
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/// <typeparam name="T">类型</typeparam>
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/// <param name="entity">实体数据</param>
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/// <returns></returns>
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public int Insert<T>(T entity) where T : class
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{
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dbcontext.Entry<T>(entity).State = EntityState.Added;
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return dbTransaction == null ? this.Commit() : 0;
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}
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/// <summary>
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/// 插入实体数据
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/// </summary>
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/// <typeparam name="T">类型</typeparam>
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/// <param name="entity">实体数据</param>
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/// <param name="tablename">实体表名</param>
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/// <returns></returns>
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public int InsertByNoMap<T>(T entity, string tablename) where T : class
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{
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return this.InsertEntityByNoMap(entity, tablename);
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}
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/// <summary>
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/// 批量插入实体数据
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||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entities">实体数据列表</param>
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||
/// <param name="tablename">实体表名</param>
|
||
/// <returns></returns>
|
||
public int InsertByNoMap<T>(IEnumerable<T> entities, string tablename) where T : class
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{
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foreach (var entity in entities)
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{
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this.InsertEntityByNoMap(entity, tablename);
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}
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return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 批量插入实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entities">实体数据列表</param>
|
||
/// <returns></returns>
|
||
public int Insert<T>(IEnumerable<T> entities) where T : class
|
||
{
|
||
foreach (var entity in entities)
|
||
{
|
||
dbcontext.Entry<T>(entity).State = EntityState.Added;
|
||
}
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 删除实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据（需要主键赋值）</param>
|
||
/// <returns></returns>
|
||
public int Delete<T>(T entity) where T : class
|
||
{
|
||
dbcontext.Set<T>().Attach(entity);
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||
dbcontext.Set<T>().Remove(entity);
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 批量删除实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entities">实体数据列表</param>
|
||
/// <returns></returns>
|
||
public int Delete<T>(IEnumerable<T> entities) where T : class
|
||
{
|
||
foreach (var entity in entities)
|
||
{
|
||
dbcontext.Set<T>().Attach(entity);
|
||
dbcontext.Set<T>().Remove(entity);
|
||
}
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 删除表数据（根据Lambda表达式）
|
||
/// </summary>
|
||
/// <typeparam name="T"></typeparam>
|
||
/// <param name="condition"></param>
|
||
/// <returns></returns>
|
||
public int Delete<T>(Expression<Func<T, bool>> condition) where T : class, new()
|
||
{
|
||
IEnumerable<T> entities = dbcontext.Set<T>().Where(condition).ToList();
|
||
return entities.Count() > 0 ? Delete(entities) : 0;
|
||
}
|
||
/// <summary>
|
||
/// 更新实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <returns></returns>
|
||
public int Update<T>(T entity) where T : class
|
||
{
|
||
this.UpdateEntity(entity);
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 更新实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <param name="tablename">实体表名</param>
|
||
/// <param name="pkcolumn">实体主键列名</param>
|
||
/// <returns></returns>
|
||
public int UpdateByNoMap<T>(T entity, string tablename, string pkcolumn) where T : class
|
||
{
|
||
return this.UpdateEntityByNoMap(entity, tablename, pkcolumn);
|
||
}
|
||
/// <summary>
|
||
/// 批量更新实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entities">实体数据列表</param>
|
||
/// <param name="tablename">实体表名</param>
|
||
/// <param name="pkcolumn">实体主键列名</param>
|
||
/// <returns></returns>
|
||
public int UpdateByNoMap<T>(IEnumerable<T> entities, string tablename, string pkcolumn) where T : class
|
||
{
|
||
foreach (var entity in entities)
|
||
{
|
||
this.UpdateEntityByNoMap(entity, tablename, pkcolumn);
|
||
}
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 更新实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <returns></returns>
|
||
public int UpdateEx<T>(T entity) where T : class
|
||
{
|
||
dbcontext.Set<T>().Attach(entity);
|
||
dbcontext.Entry(entity).State = EntityState.Modified;
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 批量更新实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entities">实体数据列表</param>
|
||
/// <returns></returns>
|
||
public int Update<T>(IEnumerable<T> entities) where T : class
|
||
{
|
||
foreach (var entity in entities)
|
||
{
|
||
this.UpdateEntity(entity);
|
||
}
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// EF更新实体
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
private void UpdateEntity<T>(T entity) where T : class
|
||
{
|
||
dbcontext.Set<T>().Attach(entity);
|
||
Hashtable props = SqlHelper.GetPropertyInfo<T>(entity);
|
||
Type entityType = entity.GetType();
|
||
foreach (string item in props.Keys)
|
||
{
|
||
bool clearValue = false;
|
||
if (entityType.GetProperty(item).CustomAttributes != null && entityType.GetProperty(item).CustomAttributes.ToList().Find(c => c.AttributeType.Name == typeof(NullValueAttribute).Name) != null)
|
||
{
|
||
clearValue = true;
|
||
}
|
||
object value = dbcontext.Entry(entity).Property(item).CurrentValue;
|
||
if (value != null)
|
||
{
|
||
//如果字符串为空格，或者日期为最小日期时，更新为NULL add by chenkai 20310322
|
||
if (value.ToString() == " " || value.ToString() == "0001/1/1 0:00:00")
|
||
{
|
||
dbcontext.Entry(entity).Property(item).CurrentValue = null;
|
||
}
|
||
dbcontext.Entry(entity).Property(item).IsModified = true;
|
||
}
|
||
else if (value == null && clearValue)
|
||
{
|
||
dbcontext.Entry(entity).Property(item).CurrentValue = null;
|
||
dbcontext.Entry(entity).Property(item).IsModified = true;
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// EF更新实体
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <param name="tablename">实体表名</param>
|
||
/// <param name="pkcolumn">实体主键列名</param>
|
||
private int UpdateEntityByNoMap<T>(T entity, string tablename, string pkcolumn) where T : class
|
||
{
|
||
string sql = $" UPDATE {tablename} SET ";
|
||
dbcontext.Set<T>().Attach(entity);
|
||
Hashtable props = SqlHelper.GetPropertyInfo<T>(entity);
|
||
Type entityType = entity.GetType();
|
||
foreach (string item in props.Keys)
|
||
{
|
||
bool clearValue = false;
|
||
if (entityType.GetProperty(item).CustomAttributes != null && entityType.GetProperty(item).CustomAttributes.ToList().Find(c => c.AttributeType.Name == typeof(NullValueAttribute).Name) != null)
|
||
{
|
||
clearValue = true;
|
||
}
|
||
|
||
object value = dbcontext.Entry(entity).Property(item).CurrentValue;
|
||
if (value != null)
|
||
{
|
||
//如果字符串为空格，或者日期为最小日期时，更新为NULL add by chenkai 20310322
|
||
if (value.ToString() == " " || value.ToString() == "0001/1/1 0:00:00")
|
||
{
|
||
dbcontext.Entry(entity).Property(item).CurrentValue = null;
|
||
}
|
||
sql += $" {item} = '{dbcontext.Entry(entity).Property(item).CurrentValue}',";
|
||
}
|
||
else if (value == null && clearValue)
|
||
{
|
||
dbcontext.Entry(entity).Property(item).CurrentValue = null;
|
||
sql += $" {item} = null,";
|
||
}
|
||
}
|
||
sql = sql.TrimEnd(',');
|
||
sql += $" WHERE {pkcolumn} = '{dbcontext.Entry(entity).Property(pkcolumn).CurrentValue}'";
|
||
return ExecuteBySql(sql);
|
||
}
|
||
/// <summary>
|
||
/// EF新增实体
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <param name="tablename">实体表名</param>
|
||
private int InsertEntityByNoMap<T>(T entity, string tablename) where T : class
|
||
{
|
||
string fields = "";
|
||
string values = "";
|
||
string sql = $" INSERT INTO {tablename} ";
|
||
dbcontext.Set<T>().Attach(entity);
|
||
Hashtable props = SqlHelper.GetPropertyInfo<T>(entity);
|
||
Type entityType = entity.GetType();
|
||
foreach (string item in props.Keys)
|
||
{
|
||
object value = dbcontext.Entry(entity).Property(item).CurrentValue;
|
||
if (value != null)
|
||
{
|
||
fields += $" {item},";
|
||
values += $" '{dbcontext.Entry(entity).Property(item).CurrentValue}',";
|
||
}
|
||
else if (value == null)
|
||
{
|
||
dbcontext.Entry(entity).Property(item).CurrentValue = null;
|
||
fields += $" {item},";
|
||
values += $" null,";
|
||
}
|
||
}
|
||
fields = fields.TrimEnd(',');
|
||
values = values.TrimEnd(',');
|
||
sql += $" ({fields}) VALUES ({values})";
|
||
return ExecuteBySql(sql);
|
||
}
|
||
#endregion
|
||
|
||
#region 对象实体 查询
|
||
/// <summary>
|
||
/// 查找一个实体根据主键
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="KeyValue">主键</param>
|
||
/// <returns></returns>
|
||
public T FindEntity<T>(object keyValue) where T : class
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().Find(keyValue);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查找一个实体（根据表达式）
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="condition">表达式</param>
|
||
/// <returns></returns>
|
||
public T FindEntity<T>(Expression<Func<T, bool>> condition) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().Where(condition).FirstOrDefault();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查找一个实体（根据sql）
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public T FindEntity<T>(string strSql, object dbParameter = null) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
var data = dbcontext.Database.Connection.Query<T>(strSql, dbParameter, dbTransaction);
|
||
return data.FirstOrDefault();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 获取IQueryable表达式
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <returns></returns>
|
||
public IQueryable<T> IQueryable<T>() where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
throw;
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 获取IQueryable表达式(根据表达式)
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="condition">表达式</param>
|
||
/// <returns></returns>
|
||
public IQueryable<T> IQueryable<T>(Expression<Func<T, bool>> condition) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().Where(condition);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表（获取表所有数据）
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>() where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().ToList();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表（获取表所有数据）
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="orderby">排序</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(Func<T, object> orderby) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().OrderBy(orderby).ToList();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表根据表达式
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="condition">表达式</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(Expression<Func<T, bool>> condition) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().Where(condition).ToList();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表根据sql语句
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(string strSql) where T : class
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Database.Connection.Query<T>(strSql, null, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表根据sql语句(带参数)
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(string strSql, object dbParameter) where T : class
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Database.Connection.Query<T>(strSql, dbParameter, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表(分页)
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(string orderField, bool isAsc, int pageSize, int pageIndex, out int total) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
string[] _order = orderField.Split(',');
|
||
MethodCallExpression resultExp = null;
|
||
var tempData = dbcontext.Set<T>().AsQueryable();
|
||
foreach (string item in _order)
|
||
{
|
||
if (!string.IsNullOrEmpty(item))
|
||
{
|
||
string _orderPart = item;
|
||
_orderPart = Regex.Replace(_orderPart, @"\s+", " ");
|
||
string[] _orderArry = _orderPart.Split(' ');
|
||
string _orderField = _orderArry[0];
|
||
bool sort = isAsc;
|
||
if (_orderArry.Length == 2)
|
||
{
|
||
isAsc = _orderArry[1].ToUpper() == "ASC" ? true : false;
|
||
}
|
||
var parameter = Expression.Parameter(typeof(T), "t");
|
||
var property = typeof(T).GetProperty(_orderField);
|
||
var propertyAccess = Expression.MakeMemberAccess(parameter, property);
|
||
var orderByExp = Expression.Lambda(propertyAccess, parameter);
|
||
resultExp = Expression.Call(typeof(Queryable), isAsc ? "OrderBy" : "OrderByDescending", new Type[] { typeof(T), property.PropertyType }, tempData.Expression, Expression.Quote(orderByExp));
|
||
|
||
}
|
||
}
|
||
if (resultExp != null)
|
||
{
|
||
tempData = tempData.Provider.CreateQuery<T>(resultExp);
|
||
}
|
||
total = tempData.Count();
|
||
tempData = tempData.Skip<T>(pageSize * (pageIndex - 1)).Take<T>(pageSize).AsQueryable();
|
||
return tempData.ToList();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表(分页)带表达式条件
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="condition">表达式</param>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(Expression<Func<T, bool>> condition, string orderField, bool isAsc, int pageSize, int pageIndex, out int total) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
string[] _order = orderField.Split(',');
|
||
MethodCallExpression resultExp = null;
|
||
var tempData = dbcontext.Set<T>().Where(condition);
|
||
foreach (string item in _order)
|
||
{
|
||
if (!string.IsNullOrEmpty(item))
|
||
{
|
||
string _orderPart = item;
|
||
_orderPart = Regex.Replace(_orderPart, @"\s+", " ");
|
||
string[] _orderArry = _orderPart.Split(' ');
|
||
string _orderField = _orderArry[0];
|
||
bool sort = isAsc;
|
||
if (_orderArry.Length == 2)
|
||
{
|
||
isAsc = _orderArry[1].ToUpper() == "ASC" ? true : false;
|
||
}
|
||
var parameter = Expression.Parameter(typeof(T), "t");
|
||
var property = typeof(T).GetProperty(_orderField);
|
||
var propertyAccess = Expression.MakeMemberAccess(parameter, property);
|
||
var orderByExp = Expression.Lambda(propertyAccess, parameter);
|
||
resultExp = Expression.Call(typeof(Queryable), isAsc ? "OrderBy" : "OrderByDescending", new Type[] { typeof(T), property.PropertyType }, tempData.Expression, Expression.Quote(orderByExp));
|
||
}
|
||
}
|
||
if (resultExp != null)
|
||
{
|
||
tempData = tempData.Provider.CreateQuery<T>(resultExp);
|
||
}
|
||
total = tempData.Count();
|
||
tempData = tempData.Skip<T>(pageSize * (pageIndex - 1)).Take<T>(pageSize).AsQueryable();
|
||
return tempData.ToList();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表(分页)根据sql语句
|
||
/// </summary>
|
||
/// <typeparam name="T"></typeparam>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(string strSql, string orderField, bool isAsc, int pageSize, int pageIndex, out int total) where T : class
|
||
{
|
||
return FindList<T>(strSql, null, orderField, isAsc, pageSize, pageIndex, out total);
|
||
}
|
||
/// <summary>
|
||
/// 查询列表(分页)根据sql语句
|
||
/// </summary>
|
||
/// <typeparam name="T"></typeparam>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(string strSql, object dbParameter, string orderField, bool isAsc, int pageSize, int pageIndex, out int total) where T : class
|
||
{
|
||
try
|
||
{
|
||
StringBuilder sb = new StringBuilder();
|
||
sb.Append(SqlHelper.SqlPageSql(strSql, orderField, isAsc, pageSize, pageIndex));
|
||
total = Convert.ToInt32(dbcontext.Database.Connection.ExecuteScalar("Select Count(1) From (" + strSql + ") As t", dbParameter));
|
||
return dbcontext.Database.Connection.Query<T>(sb.ToString(), dbParameter, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region 数据源查询
|
||
/// <summary>
|
||
/// 查询数据
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <returns></returns>
|
||
public DataTable FindTable(string strSql)
|
||
{
|
||
try
|
||
{
|
||
var IDataReader = dbcontext.Database.Connection.ExecuteReader(strSql, null, dbTransaction);
|
||
return SqlHelper.IDataReaderToDataTable(IDataReader);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询数据
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public DataTable FindTable(string strSql, object dbParameter)
|
||
{
|
||
try
|
||
{
|
||
var IDataReader = dbcontext.Database.Connection.ExecuteReader(strSql, dbParameter, dbTransaction);
|
||
return SqlHelper.IDataReaderToDataTable(IDataReader);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询数据
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public DataTable FindTable(string strSql, string orderField, bool isAsc, int pageSize, int pageIndex, out int total)
|
||
{
|
||
return FindTable(strSql, null, orderField, isAsc, pageSize, pageIndex, out total);
|
||
}
|
||
/// <summary>
|
||
/// 查询数据
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public DataTable FindTable(string strSql, object dbParameter, string orderField, bool isAsc, int pageSize, int pageIndex, out int total)
|
||
{
|
||
try
|
||
{
|
||
StringBuilder sb = new StringBuilder();
|
||
sb.Append(SqlHelper.SqlPageSql(strSql, orderField, isAsc, pageSize, pageIndex));
|
||
total = Convert.ToInt32(dbcontext.Database.Connection.ExecuteScalar("Select Count(1) From (" + strSql + ") As t", dbParameter));
|
||
var IDataReader = dbcontext.Database.Connection.ExecuteReader(sb.ToString(), dbParameter, dbTransaction);
|
||
return SqlHelper.IDataReaderToDataTable(IDataReader);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 获取查询对象
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <returns></returns>
|
||
public object FindObject(string strSql)
|
||
{
|
||
|
||
return FindObject(strSql, null);
|
||
}
|
||
/// <summary>
|
||
/// 获取查询对象
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public object FindObject(string strSql, object dbParameter)
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Database.Connection.ExecuteScalar(strSql, dbParameter, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region 扩展方法
|
||
/// <summary>
|
||
/// 获取数据库表数据
|
||
/// </summary>
|
||
/// <typeparam name="T">反序列化类型</typeparam>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> GetDBTable<T>() where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
StringBuilder strSql = new StringBuilder();
|
||
strSql.Append(@"DECLARE @TableInfo TABLE ( name VARCHAR(50) , sumrows VARCHAR(11) , reserved VARCHAR(50) , data VARCHAR(50) , index_size VARCHAR(50) , unused VARCHAR(50) , pk VARCHAR(50) )
|
||
DECLARE @TableName TABLE ( name VARCHAR(50) )
|
||
DECLARE @name VARCHAR(50)
|
||
DECLARE @pk VARCHAR(50)
|
||
INSERT INTO @TableName ( name ) SELECT o.name FROM sysobjects o , sysindexes i WHERE o.id = i.id AND o.Xtype = 'U' AND i.indid < 2 ORDER BY i.rows DESC , o.name
|
||
WHILE EXISTS ( SELECT 1 FROM @TableName ) BEGIN SELECT TOP 1 @name = name FROM @TableName DELETE @TableName WHERE name = @name DECLARE @objectid INT SET @objectid = OBJECT_ID(@name) SELECT @pk = COL_NAME(@objectid, colid) FROM sysobjects AS o INNER JOIN sysindexes AS i ON i.name = o.name INNER JOIN sysindexkeys AS k ON k.indid = i.indid WHERE o.xtype = 'PK' AND parent_obj = @objectid AND k.id = @objectid INSERT INTO @TableInfo ( name , sumrows , reserved , data , index_size , unused ) EXEC sys.sp_spaceused @name UPDATE @TableInfo SET pk = @pk WHERE name = @name END
|
||
SELECT F.name as name, F.reserved as reserved, F.data as data, F.index_size as index_size, RTRIM(F.sumrows) AS sumrows , F.unused as unused, ISNULL(p.tdescription, f.name) AS tdescription , F.pk as pk
|
||
FROM @TableInfo F LEFT JOIN ( SELECT name = CASE WHEN A.COLORDER = 1 THEN D.NAME ELSE '' END , tdescription = CASE WHEN A.COLORDER = 1 THEN ISNULL(F.VALUE, '') ELSE '' END FROM SYSCOLUMNS A LEFT JOIN SYSTYPES B ON A.XUSERTYPE = B.XUSERTYPE INNER JOIN SYSOBJECTS D ON A.ID = D.ID AND D.XTYPE = 'U' AND D.NAME <> 'DTPROPERTIES' LEFT JOIN sys.extended_properties F ON D.ID = F.major_id WHERE a.COLORDER = 1 AND F.minor_id = 0 ) P ON F.name = p.name
|
||
ORDER BY f.name ");
|
||
return dbcontext.Database.Connection.Query<T>(strSql.ToString(), null, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 获取数据库表字段数据
|
||
/// </summary>
|
||
/// <typeparam name="T">反序列化类型</typeparam>
|
||
/// <param name="tableName">表名</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> GetDBTableFields<T>(string tableName) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
StringBuilder strSql = new StringBuilder();
|
||
strSql.Append(@"SELECT [f_number] = a.colorder , [f_column] = a.name , [f_datatype] = b.name , [f_length] = COLUMNPROPERTY(a.id, a.name, 'PRECISION') , [f_identity] = CASE WHEN COLUMNPROPERTY(a.id, a.name, 'IsIdentity') = 1 THEN '1' ELSE '' END , [f_key] = CASE WHEN EXISTS ( SELECT 1 FROM sysobjects WHERE xtype = 'PK' AND parent_obj = a.id AND name IN ( SELECT name FROM sysindexes WHERE indid IN ( SELECT indid FROM sysindexkeys WHERE id = a.id AND colid = a.colid ) ) ) THEN '1' ELSE '' END , [f_isnullable] = CASE WHEN a.isnullable = 1 THEN '1' ELSE '' END , [f_defaults] = ISNULL(e.text, '') , [f_remark] = ISNULL(g.[value], a.name)
|
||
FROM syscolumns a LEFT JOIN systypes b ON a.xusertype = b.xusertype INNER JOIN sysobjects d ON a.id = d.id AND d.xtype = 'U' AND d.name <> 'dtproperties' LEFT JOIN syscomments e ON a.cdefault = e.id LEFT JOIN sys.extended_properties g ON a.id = g.major_id AND a.colid = g.minor_id LEFT JOIN sys.extended_properties f ON d.id = f.major_id AND f.minor_id = 0
|
||
WHERE d.name = @tableName
|
||
ORDER BY a.id , a.colorder");
|
||
return dbcontext.Database.Connection.Query<T>(strSql.ToString(), new { tableName = tableName }, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
#endregion
|
||
}
|
||
}
|