.net Core 下数据库访问

SqlSugar ：是一款高性能（达到ADO.NET最高性能水平）
SqlSugar ：是除EF外拉姆达解析最完善的ORM，多表、UnionALL、交叉子查询、真实的批量操作和分页
SqlSugar ：用法简单，功能齐全
SqlSugar ：对数据库结构没太多要求支持多主键、多自增列、支持异步
SqlSugar ：支持分布式二级缓存（CRUD可以自动清除缓存)和支持读写分离功能大型项目必备
SqlSugar支持.Net 4.0+ 和 .Net Core

SqlSugar 4.9.9.2

#region << 版本注释 >>
/*----------------------------------------------------------------
* 类名称：OrderByClause
* 类描述：
* 作者：xnlzg
* 创建时间：2018/11/7 14:12:53
* 更新时间：2018/11/7 14:12:53
* 说明：
* 版本号：v1.0.0.0
*******************************************************************
* Copyright @ xnlzg 2018. All rights reserved.
*******************************************************************
//----------------------------------------------------------------*/
#endregion

namespace XN.Common
{
/// <summary>
/// 排序实体
/// </summary>
public class OrderByClause
{
/// <summary>
/// 排序字段
/// </summary>
public string Sort { get; set; }
/// <summary>
/// 排序类型
/// </summary>
public OrderSequence Order { get; set; }
}
}
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#region << 版本注释 >>
/*----------------------------------------------------------------
* 类名称：OrderSequence
* 类描述：
* 作者：xnlzg
* 创建时间：2018/11/7 14:12:32
* 更新时间：2018/11/7 14:12:32
* 说明：
* 版本号：v1.0.0.0
*******************************************************************
* Copyright @ xnlzg 2018. All rights reserved.
*******************************************************************
//----------------------------------------------------------------*/
#endregion

namespace XN.Common
{
/// <summary>
/// 排序枚举
/// </summary>
public enum OrderSequence
{
/// <summary>
/// 正序
/// </summary>
Asc,
/// <summary>
/// 倒序
/// </summary>
Desc
}
}

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#region << 版本注释 >>
/*----------------------------------------------------------------
* 类名称：QueryCondition
* 类描述：
* 作者：xnlzg
* 创建时间：2018/11/7 14:14:29
* 更新时间：2018/11/7 14:14:29
* 说明：
* 版本号：v1.0.0.0
*******************************************************************
* Copyright @ xnlzg 2018. All rights reserved.
*******************************************************************
//----------------------------------------------------------------*/
#endregion

namespace XN.Common
{
/// <summary>
/// 查询
/// </summary>
public class QueryCondition
{
/// <summary>
/// 字段名称
/// </summary>
public string Key { get; set; }
/// <summary>
/// 查询操作
/// </summary>
public QueryOperator Operator { get; set; }
/// <summary>
/// 值
/// </summary>
public object Value { get; set; }

}
}

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#region << 版本注释 >>
/*----------------------------------------------------------------
* 类名称：QueryDescriptor
* 类描述：
* 作者：xnlzg
* 创建时间：2018/11/7 14:15:04
* 更新时间：2018/11/7 14:15:04
* 说明：
* 版本号：v1.0.0.0
*******************************************************************
* Copyright @ xnlzg 2018. All rights reserved.
*******************************************************************
//----------------------------------------------------------------*/
#endregion

using System.Collections.Generic;

namespace XN.Common
{
/// <summary>
/// 查询集合
/// </summary>
public class QueryDescriptor
{
/// <summary>
/// 行数
/// </summary>
public int PageSize { get; set; }
/// <summary>
/// 页码
/// </summary>
public int PageIndex { get; set; }
/// <summary>
/// 排序
/// </summary>
public List<OrderByClause> OrderBys { get; set; }
/// <summary>
/// 条件
/// </summary>
public List<QueryCondition> Conditions { get; set; }
}
}

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#region << 版本注释 >>
/*----------------------------------------------------------------
* 类名称：QueryOperator
* 类描述：
* 作者：xnlzg
* 创建时间：2018/11/7 14:14:03
* 更新时间：2018/11/7 14:14:03
* 说明：
* 版本号：v1.0.0.0
*******************************************************************
* Copyright @ xnlzg 2018. All rights reserved.
*******************************************************************
//----------------------------------------------------------------*/
#endregion
namespace XN.Common
{
/// <summary>
/// 查询条件枚举
/// </summary>
public enum QueryOperator
{
/// <summary>
/// 相等
/// </summary>
Equal,
/// <summary>
/// 匹配
/// </summary>
Like,
/// <summary>
/// 大于
/// </summary>
GreaterThan,
/// <summary>
/// 大于或等于
/// </summary>
GreaterThanOrEqual,
/// <summary>
/// 小于
/// </summary>
LessThan,
/// <summary>
/// 小于或等于
/// </summary>
LessThanOrEqual,
/// <summary>
/// 等于集合
/// </summary>
In,
/// <summary>
/// 不等于集合
/// </summary>
NotIn,
/// <summary>
/// 左边匹配
/// </summary>
LikeLeft,
/// <summary>
/// 右边匹配
/// </summary>
LikeRight,
/// <summary>
/// 不相等
/// </summary>
NoEqual,
/// <summary>
/// 为空或空
/// </summary>
IsNullOrEmpty,
/// <summary>
/// 不为空
/// </summary>
IsNot,
/// <summary>
/// 不匹配
/// </summary>
NoLike,
/// <summary>
/// 时间段值用 "|" 隔开
/// </summary>
DateRange
}
}

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#region 开发单位：xnlzg 版权所有Copyright (C) 2011
/***-------------------------------------------------------------------------------------
命名空间：OPPO.DBUtility.Sugar
文件名：BaseDbContext
创建时间：2018/6/8 10:15:10
创建人：xnlzg
修改时间：
修改人：
说明：
-------------------------------------------------------------------------------------***/
#endregion

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using SqlSugar;

namespace XN.Common
{
/// <summary>
/// 数据库操作类
/// </summary>
public class BaseDbContext
{

/// <summary>
/// 注意当前方法的类不能是静态的 public static class这么写是错误的
/// </summary>
public static SqlSugarClient Db
{
get
{
var connMain = ConfigurationManager.ConnectionStrings["ConnMain"];
var connFrom = ConfigurationManager.ConnectionStrings["ConnFrom"];
return InitDataBase(connFrom == null
? new List<string> { connMain.ToString() }
: new List<string> { connMain.ToString(), connFrom.ToString() });
}
}

/// <summary>
/// 获得SqlSugarClient
/// </summary>
/// <param name="serverIp">服务器IP或文件路径</param>
/// <param name="user">用户名</param>
/// <param name="pass">密码</param>
/// <param name="dataBase">数据库</param>
public static SqlSugarClient GetIntance(string serverIp, string user, string pass, string dataBase)
{
var listConn = new List<string>();
switch ((DbType)ConfigurationManager.ConnectionStrings["DbType"].ObjToInt())
{
case DbType.SqlServer:
listConn.Add($"server={serverIp};user id={user};password={pass};persistsecurityinfo=True;database={dataBase}");
break;
case DbType.MySql:
listConn.Add($"Server={serverIp};Database={dataBase};Uid={user};Pwd={pass};");
break;
case DbType.Oracle:
listConn.Add($"Server=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST={serverIp})(PORT=1521)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME={dataBase})));User Id={user};Password={pass};Persist Security Info=True;Enlist=true;Max Pool Size=300;Min Pool Size=0;Connection Lifetime=300");
break;
case DbType.PostgreSQL:
listConn.Add($"PORT=5432;DATABASE={dataBase};HOST={serverIp};PASSWORD={pass};USER ID={user}");
break;
case DbType.Sqlite:
listConn.Add($"Data Source={serverIp};Version=3;Password={pass};");
break;
}
return InitDataBase(listConn);
}
/// <summary>
/// 初始化数据库连接
/// </summary>
/// <param name="listConn">连接字符串</param>
private static SqlSugarClient InitDataBase(List<string> listConn)
{
var connStr = "";//主库
var slaveConnectionConfigs = new List<SlaveConnectionConfig>();//从库集合
for (var i = 0; i < listConn.Count; i++)
{
if (i == 0)
{
connStr = listConn[i];//主数据库连接
}
else
{
slaveConnectionConfigs.Add(new SlaveConnectionConfig()
{
HitRate = i * 2,
ConnectionString = listConn[i]
});
}
}

//如果配置了 SlaveConnectionConfigs那就是主从模式,所有的写入删除更新都走主库，查询走从库，
//事务内都走主库，HitRate表示权重值越大执行的次数越高，如果想停掉哪个连接可以把HitRate设为0
var db = new SqlSugarClient(new ConnectionConfig()
{
ConnectionString = connStr,
DbType = (DbType)ConfigurationManager.ConnectionStrings["DbType"].ObjToInt(),
IsAutoCloseConnection = true,
SlaveConnectionConfigs = slaveConnectionConfigs,
IsShardSameThread = true
});
db.Ado.CommandTimeOut = 30000;//设置超时时间
db.Aop.OnLogExecuted = (sql, pars) => //SQL执行完事件
{
//LogHelper.WriteLog($"执行时间：{db.Ado.SqlExecutionTime.TotalMilliseconds}毫秒 SQL如下：{sql} 参数：{GetParams(pars)} ", "SQL执行");
};
db.Aop.OnLogExecuting = (sql, pars) => //SQL执行前事件
{
if (db.TempItems == null) db.TempItems = new Dictionary<string, object>();
};
db.Aop.OnError = (exp) =>//执行SQL 错误事件
{
//LogHelper.WriteLog($"SQL错误:{exp.Message} SQL如下：{exp.Sql}", "SQL执行");
throw new Exception(exp.Message);
};
db.Aop.OnExecutingChangeSql = (sql, pars) => //SQL执行前可以修改SQL
{
return new KeyValuePair<string, SugarParameter[]>(sql, pars);
};
db.Aop.OnDiffLogEvent = (it) => //可以方便拿到数据库操作前和操作后的数据变化。
{
//var editBeforeData = it.BeforeData;
//var editAfterData = it.AfterData;
//var sql = it.Sql;
//var parameter = it.Parameters;
//var data = it.BusinessData;
//var time = it.Time;
//var diffType = it.DiffType;//枚举值 insert 、update 和 delete 用来作业务区分

//你可以在这里面写日志方法
};
return db;
}
/// <summary>
/// 获取参数信息
/// </summary>
/// <param name="pars"></param>
/// <returns></returns>
private static string GetParams(SugarParameter[] pars)
{
return pars.Aggregate("", (current, p) => current + $"{p.ParameterName}:{p.Value}, ");
}
}
}

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq.Expressions;
using SqlSugar;
using XN.Common;

namespace OPPO.DBUtility
{
/// <summary>
/// SqlSugar操作接口类
/// </summary>
public interface ISugerHandler : IDisposable
{

#region 事务

#region 数据库管理
/// <summary>
/// 添加列
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="column">列信息</param>
/// <returns></returns>
bool AddColumn(string tableName, DbColumnInfo column);
/// <summary>
/// 添加主键
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="columnName">列名</param>
/// <returns></returns>
bool AddPrimaryKey(string tableName, string columnName);
/// <summary>
/// 备份数据库
/// </summary>
/// <param name="databaseName">数据库名</param>
/// <param name="fullFileName">文件名</param>
/// <returns></returns>
bool BackupDataBase(string databaseName, string fullFileName);
/// <summary>
/// 备份表
/// </summary>
/// <param name="oldTableName">旧表名</param>
/// <param name="newTableName">行表名</param>
/// <param name="maxBackupDataRows">行数</param>
/// <returns></returns>
bool BackupTable(string oldTableName, string newTableName, int maxBackupDataRows = int.MaxValue);
/// <summary>
/// 创建表
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="columns">列集合</param>
/// <param name="isCreatePrimaryKey">是否创建主键</param>
/// <returns></returns>
bool CreateTable(string tableName, List<DbColumnInfo> columns, bool isCreatePrimaryKey = true);
/// <summary>
/// 删除列
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="columnName">列名</param>
/// <returns></returns>
bool DropColumn(string tableName, string columnName);
/// <summary>
/// 删除约束
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="constraintName">约束名</param>
/// <returns></returns>
bool DropConstraint(string tableName, string constraintName);
/// <summary>
/// 删除表
/// </summary>
/// <param name="tableName"></param>
/// <returns></returns>
bool DropTable(string tableName);
/// <summary>
/// 获取列信息
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="isCache">是否缓存</param>
/// <returns></returns>
List<DbColumnInfo> GetColumnInfosByTableName(string tableName, bool isCache = true);
/// <summary>
/// 获取自增列
/// </summary>
/// <param name="tableName">表名</param>
/// <returns></returns>
List<string> GetIsIdentities(string tableName);
/// <summary>
/// 获取主键
/// </summary>
/// <param name="tableName">表名</param>
/// <returns></returns>
List<string> GetPrimaries(string tableName);
/// <summary>
/// 获取表集合
/// </summary>
/// <param name="isCache">是否缓存</param>
/// <returns></returns>
List<DbTableInfo> GetTableInfoList(bool isCache = true);
/// <summary>
/// 获取视图集合
/// </summary>
/// <param name="isCache">是否缓存</param>
/// <returns></returns>
List<DbTableInfo> GetViewInfoList(bool isCache = true);
/// <summary>
/// 检测列是否存在
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="column">列名</param>
/// <returns></returns>
bool IsAnyColumn(string tableName, string column);
/// <summary>
/// 检测约束
/// </summary>
/// <param name="constraintName">约束名称</param>
/// <returns></returns>
bool IsAnyConstraint(string constraintName);
/// <summary>
/// 检测是否有任何系统表权限
/// </summary>
/// <returns></returns>
bool IsAnySystemTablePermissions();
/// <summary>
/// 检测表是否存在
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="isCache">是否缓存</param>
/// <returns></returns>
bool IsAnyTable(string tableName, bool isCache = true);
/// <summary>
/// 检测列是否自增列
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="column">列名</param>
/// <returns></returns>
bool IsIdentity(string tableName, string column);
/// <summary>
/// 检测列是否主键
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="column">列名</param>
/// <returns></returns>
bool IsPrimaryKey(string tableName, string column);
/// <summary>
/// 重置列名
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="oldColumnName">旧列名</param>
/// <param name="newColumnName">新列名</param>
/// <returns></returns>
bool RenameColumn(string tableName, string oldColumnName, string newColumnName);
/// <summary>
/// 重置表数据
/// </summary>
/// <param name="tableName">表名</param>
/// <returns></returns>
bool TruncateTable(string tableName);
/// <summary>
/// 修改列信息
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="column">列信息</param>
/// <returns></returns>
bool UpdateColumn(string tableName, DbColumnInfo column);

/// <summary>
/// 获取数据库时间
/// </summary>
/// <returns>返回值</returns>
DateTime GetDataBaseTime();
#endregion

/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entitys">泛型集合</param>
/// <returns>操作影响的行数</returns>
int Add<T>(List<T> entitys) where T : class, new();

/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象 </param>
/// <returns>返回实体</returns>
T AddReturnEntity<T>(T entity) where T : class, new();

/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象 </param>
/// <returns>返回自增列</returns>
int AddReturnIdentity<T>(T entity) where T : class, new();
/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象 </param>
/// <returns>返回bool</returns>
bool AddReturnBool<T>(T entity) where T : class, new();

/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entitys">泛型集合</param>
/// <returns>返回bool</returns>
bool AddReturnBool<T>(List<T> entitys) where T : class, new();
#endregion

#region 修改

/// <summary>
/// 修改（主键是更新条件）
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件 </param>
/// <param name="lstIgnoreColumns">不更新的列</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
int Update<T>(T entity, List<string> lstIgnoreColumns = null, bool isLock = true) where T : class, new();

/// <summary>
/// 批量修改需要更新的列
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entitys"> 实体对象（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件 </param>
/// <param name="updateColumns">更新指定列</param>
/// <param name="wherecolumns">条件(为空则以主键更新,反之需要把wherecolumns中的列加到UpdateColumns中)</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
int UpdateColumns<T>(List<T> entitys, Expression<Func<T, object>> updateColumns,
Expression<Func<T, object>> wherecolumns = null, bool isLock = true) where T : class, new();

/// <summary>
/// 修改通过RowVer及主键Code 更新
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="update"> 实体对象 </param>
/// <param name="where"> 更新条件 </param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
int UpdateRowVer<T>(Expression<Func<T, T>> update, Dictionary<string, object> where, bool isLock = true) where T : class, new();
#endregion

#region 删除

/// <summary>
/// 删除通过主键数据
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="primaryKeyValues">主键值</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
int DeleteByPrimary<T>(List<object> primaryKeyValues, bool isLock = true) where T : class, new();

/// <summary>
/// 删除
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件 </param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
int Delete<T>(T entity, bool isLock = true) where T : class, new();

/// <summary>
/// 删除
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
int Delete<T>(List<T> entity, bool isLock = true) where T : class, new();

/// <summary>
/// 删除
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="where"> 条件 </param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
int Delete<T>(Expression<Func<T, bool>> where, bool isLock = true) where T : class, new();

/// <summary>
/// 通过多值(主键)删除数据集
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="inValues">数据集合</param>
/// <returns></returns>
int DeleteIn<T>(List<dynamic> inValues) where T : class, new();

#endregion

#region 查询

#region 数据源

///// <summary>
///// 查询数据源
///// </summary>
///// <typeparam name="T">泛型参数(集合成员的类型</typeparam>
///// <returns>数据源</returns>
//ISugarQueryable<T> Queryable<T>() where T : class, new();

#endregion

#region 多表查询

/// <summary>
///查询-多表查询
/// </summary>
/// <typeparam name="T">实体1</typeparam>
/// <typeparam name="T2">实体2</typeparam>
/// <typeparam name="TResult">返回对象</typeparam>
/// <param name="joinExpression">关联表达式 (t1,t2) => new object[] {JoinType.Left,t1.UserNo==t2.UserNo}</param>
/// <param name="selectExpression">返回表达式 (t1, t2) => new { Id =t1.UserNo, Id1 = t2.UserNo}</param>
/// <param name="whereLambda">查询表达式 (t1, t2) =>t1.UserNo == "")</param>
/// <returns></returns>
List<TResult> QueryMuch<T, T2, TResult>(
Expression<Func<T, T2, object[]>> joinExpression,
Expression<Func<T, T2, TResult>> selectExpression,
Expression<Func<T, T2, bool>> whereLambda = null) where T : class, new();

/// <summary>
///查询-多表查询
/// </summary>
/// <typeparam name="T">实体1</typeparam>
/// <typeparam name="T2">实体2</typeparam>
/// <typeparam name="T3">实体3</typeparam>
/// <typeparam name="TResult">返回对象</typeparam>
/// <param name="joinExpression">关联表达式</param>
/// <param name="selectExpression">返回表达式</param>
/// <param name="whereLambda">查询表达式</param>
/// <returns></returns>
List<TResult> QueryMuch<T, T2, T3, TResult>(
Expression<Func<T, T2, T3, object[]>> joinExpression,
Expression<Func<T, T2, T3, TResult>> selectExpression,
Expression<Func<T, T2, T3, bool>> whereLambda = null) where T : class, new();

/// <summary>
///查询-多表查询
/// </summary>
/// <typeparam name="T">实体1</typeparam>
/// <typeparam name="T2">实体2</typeparam>
/// <typeparam name="TResult">返回对象</typeparam>
/// <param name="joinExpression">关联表达式 (t1,t2) => new object[] {JoinType.Left,t1.UserNo==t2.UserNo}</param>
/// <param name="selectExpression">返回表达式 (t1, t2) => new { Id =t1.UserNo, Id1 = t2.UserNo}</param>
/// <param name="query">查询条件</param>
/// <param name="totalCount">总行数</param>
/// <returns>值</returns>
List<TResult> QueryMuchDescriptor<T, T2, TResult>(
Expression<Func<T, T2, object[]>> joinExpression,
Expression<Func<T, T2, TResult>> selectExpression,
QueryDescriptor query, out int totalCount) where T : class, new();

/// <summary>
///查询-多表查询
/// </summary>
/// <typeparam name="T">实体1</typeparam>
/// <typeparam name="T2">实体2</typeparam>
/// <typeparam name="T3">实体3</typeparam>
/// <typeparam name="TResult">返回对象</typeparam>
/// <param name="joinExpression">关联表达式 (join1,join2) => new object[] {JoinType.Left,join1.UserNo==join2.UserNo}</param>
/// <param name="selectExpression">返回表达式 (s1, s2) => new { Id =s1.UserNo, Id1 = s2.UserNo}</param>
/// <param name="query">查询条件</param>
/// <param name="totalCount">总行数</param>
/// <returns>值</returns>
List<TResult> QueryMuchDescriptor<T, T2, T3, TResult>(
Expression<Func<T, T2, T3, object[]>> joinExpression,
Expression<Func<T, T2, T3, TResult>> selectExpression,
QueryDescriptor query, out int totalCount) where T : class, new();

#region 查询

/// <summary>
/// 查询-返回自定义数据
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <typeparam name="TResult">返回值类型</typeparam>
/// <param name="expression">返回值表达式</param>
/// <param name="whereLambda">查询表达式</param>
/// <returns>值</returns>
TResult QuerySelect<T, TResult>(Expression<Func<T, TResult>> expression,Expression<Func<T, bool>> whereLambda = null) where T : class, new();

/// <summary>
/// 查询-返回自定义数据
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <typeparam name="TResult">返回值类型</typeparam>
/// <param name="expression">返回值表达式</param>
/// <param name="whereLambda">查询表达式</param>
/// <returns>值</returns>
List<TResult> QuerySelectList<T, TResult>(Expression<Func<T, TResult>> expression,Expression<Func<T, bool>> whereLambda = null) where T : class, new();

/// <summary>
/// 查询
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="whereLambda">查询表达式</param>
/// <returns></returns>
T Query<T>(Expression<Func<T, bool>> whereLambda = null) where T : class, new();

/// <summary>
/// 查询集合
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="whereLambda">过滤条件</param>
/// <returns>实体</returns>
List<T> QueryWhereList<T>(Expression<Func<T, bool>> whereLambda = null) where T : class, new();
/// <summary>
/// 查询集合
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="query">过滤条件</param>
/// <returns>实体</returns>
List<T> QueryList<T>(QueryDescriptor query = null) where T : class, new();

/// <summary>
/// 查询集合
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="sql">sql</param>
/// <returns>实体</returns>
List<T> QuerySqlList<T>(string sql) where T : class, new();

/// <summary>
/// 分页查询
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="query">过滤条件</param>
/// <param name="totalCount">总行数</param>
/// <returns>实体</returns>
List<T> QueryPageList<T>(QueryDescriptor query, out int totalCount) where T : class, new();

/// <summary>
/// 通过多值查询数据集
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="inFieldName">字段名</param>
/// <param name="inValues">数据集合</param>
/// <returns></returns>
List<T> In<T>(string inFieldName, List<dynamic> inValues) where T : class, new();

/// <summary>
/// 通过多值(主键)查询数据集
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="values">主键数据集合</param>
/// <returns></returns>
List<T> In<T>(List<dynamic> values) where T : class, new();

/// <summary>
/// 查询集合
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="whereLambda">查询表达式</param>
/// <returns>实体</returns>
DataTable QueryDataTable<T>(Expression<Func<T, bool>> whereLambda = null) where T : class, new();

/// <summary>
/// 查询集合
/// </summary>
/// <param name="sql">sql</param>
/// <returns>实体</returns>
DataTable QueryDataTable(string sql);

/// <summary>
/// 查询单个值
/// </summary>
/// <param name="sql">sql</param>
/// <returns>单个值</returns>
object QuerySqlScalar(string sql);

/// <summary>
/// 分页查询
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="query">过滤条件</param>
/// <param name="totalCount">总行数</param>
/// <returns>DataTable</returns>
DataTable QueryDataTablePageList<T>(QueryDescriptor query, out int totalCount) where T : class, new();

#endregion

#region Mapper

/// <summary>
/// Mapper查询
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="mapperAction">操作(it, cache) =>
/// {
/// var all = cache.GetListByPrimaryKeys(vmodel => vmodel.Id); //一次性查询出所要的外键引用数据
/// it.School = all.FirstOrDefault(i => i.Id == it.Id); //一对一
/// it.Schools = all.Where(i => i.Id == it.Id).ToList(); //一对多
/// /*用C#处理你想要的结果*/
/// it.Name = it.Name == null ? "null" : it.Name;
/// }
/// </param>
/// <param name="query">过滤条件</param>
/// <returns></returns>
List<T> QueryMapper<T>(Action<T> mapperAction, QueryDescriptor query = null) where T : class, new();

/// <summary>
/// Mapper查询
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="mapperAction">操作(it, cache) =>
/// {
/// var all = cache.GetListByPrimaryKeys(vmodel => vmodel.Id); //一次性查询出所要的外键引用数据
/// it.School = all.FirstOrDefault(i => i.Id == it.Id); //一对一
/// it.Schools = all.Where(i => i.Id == it.Id).ToList(); //一对多
/// /*用C#处理你想要的结果*/
/// it.Name = it.Name == null ? "null" : it.Name;
/// }
/// </param>
/// <param name="whereLambda">过滤条件</param>
/// <returns></returns>
List<T> QueryMapper<T>(Action<T> mapperAction, Expression<Func<T, bool>> whereLambda = null) where T : class, new();

#endregion

#region 存储过程

/// <summary>
/// 查询存储过程
/// </summary>
/// <param name="procedureName">存储过程名称</param>
/// <param name="parameters">参数</param>
/// <returns>DataSet</returns>
DataSet QueryProcedureDataSet(string procedureName, List<SqlParameter> parameters);
/// <summary>
/// 查询存储过程
/// </summary>
/// <param name="procedureName">存储过程名称</param>
/// <param name="parameters">参数</param>
/// <returns>DataTable</returns>
DataTable QueryProcedure(string procedureName, List<SqlParameter> parameters);

/// <summary>
/// 查询存储过程
/// </summary>
/// <param name="procedureName">存储过程名称</param>
/// <param name="parameters">参数</param>
/// <returns>单个值</returns>
object QueryProcedureScalar(string procedureName, List<SqlParameter> parameters);

#endregion

#region 分组

/// <summary>
/// 分组
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="groupByLambda">分组表达式</param>
/// <param name="whereLambda">查询表达式</param>
/// <returns>值</returns>
List<T> GroupBy<T>(Expression<Func<T, object>> groupByLambda,Expression<Func<T, bool>> whereLambda = null) where T : class, new();

/// <summary>
/// 分组-返回自定义数据
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <typeparam name="TResult">返回值类型</typeparam>
/// <param name="expression">返回值表达式</param>
/// <param name="groupByLambda">分组表达式</param>
/// <param name="whereLambda">查询表达式</param>
/// <returns>值</returns>
List<TResult> GroupBy<T, TResult>(Expression<Func<T, TResult>> expression,
Expression<Func<T, object>> groupByLambda, Expression<Func<T, bool>> whereLambda = null)
where T : class, new();

#endregion

#region Json

/// <summary>
/// 查询集合
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="whereLambda">查询表达式</param>
/// <returns>Json</returns>
string QueryJson<T>(Expression<Func<T, bool>> whereLambda = null) where T : class, new();

#endregion

#region 其它

/// <summary>
/// 查询前多少条数据
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型</typeparam>
/// <param name="whereLambda">查询表达式</param>
/// <param name="num">数量</param>
/// <returns></returns>
List<T> Take<T>(Expression<Func<T, bool>> whereLambda, int num) where T : class, new();

/// <summary>
/// 查询单条数据
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型</typeparam>
/// <param name="whereLambda">查询表达式</param>
/// <returns></returns>
T First<T>(Expression<Func<T, bool>> whereLambda) where T : class, new();

/// <summary>
/// 是否存在
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型</typeparam>
/// <param name="whereLambda">查询表达式</param>
/// <returns></returns>
bool IsExist<T>(Expression<Func<T, bool>> whereLambda) where T : class, new();

/// <summary>
/// 合计
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型</typeparam>
/// <param name="field">字段</param>
/// <returns></returns>
int Sum<T>(string field) where T : class, new();

/// <summary>
/// 最大值
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型</typeparam>
/// <typeparam name="TResult">返回类型</typeparam>
/// <param name="field">字段</param>
/// <returns></returns>
TResult Max<T, TResult>(string field) where T : class, new();

/// <summary>
/// 最小值
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型</typeparam>
/// <typeparam name="TResult">返回类型</typeparam>
/// <param name="field">字段</param>
/// <returns></returns>
TResult Min<T, TResult>(string field) where T : class, new();
/// <summary>
/// 平均值
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型</typeparam>
/// <param name="field">字段</param>
/// <returns></returns>
int Avg<T>(string field) where T : class, new();

/// <summary>
/// 生成流水号
/// </summary>
/// <param name="key">列名</param>
/// <param name="prefix">前缀</param>
/// <param name="fixedLength">流水号长度</param>
/// <param name="dateFomart">日期格式(yyyyMMdd) 为空前缀后不加日期,反之加</param>
/// <returns></returns>
string CustomNumber<T>(string key, string prefix = "", int fixedLength = 4, string dateFomart = "")where T : class, new();

/// <summary>
/// 生成流水号
/// </summary>
/// <param name="key">列名</param>
/// <param name="num">数量</param>
/// <param name="prefix">前缀</param>
/// <param name="fixedLength">流水号长度</param>
/// <param name="dateFomart">日期格式(yyyyMMdd) 为空前缀后不加日期,反之加</param>
/// <returns></returns>
List<string> CustomNumber<T>(string key,int num, string prefix = "", int fixedLength = 4, string dateFomart = "") where T : class, new();

#endregion

#endregion
}
}

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#region << 版本注释 >>
/*----------------------------------------------------------------
* 类名称：SugerHandler
* 类描述：
* 作者：xnlzg
* 创建时间：2018/7/23 15:52:47
* 更新时间：2018/7/23 15:52:47
* 说明：
using (var db = DbFactory.InstanceSuger())
{
db.BeginTran();
var userInfo = db.Query<SysUsers>(m => m.UserName == userLogin.UserName);
db.CommitTran();
}
* 版本号：v1.0.0.0
*******************************************************************
* Copyright @ xnlzg 2018. All rights reserved.
*******************************************************************
//----------------------------------------------------------------*/
#endregion

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq.Expressions;
using OPPO.DBUtility;
using SqlSugar;

namespace XN.Common
{
/// <summary>
/// SqlSugar调用类
/// </summary>
public class SugerHandler
{
#region 初始化
/// <summary>
/// 初始化
/// </summary>
/// <returns>值</returns>
public static ISugerHandler Instance()
{
return new SugerRepository();
}
/// <summary>
/// 初始化
/// </summary>
/// <param name="serverIp">服务器IP</param>
/// <param name="user">用户名</param>
/// <param name="pass">密码</param>
/// <param name="dataBase">数据库</param>
/// <returns>值</returns>
public static ISugerHandler Instance(string serverIp, string user, string pass, string dataBase)
{
var suger = new SugerRepository();
suger.Instance(serverIp, user, pass, dataBase);
return suger;
}

#endregion
}
/// <summary>
/// SqlSugar操作类型
/// </summary>
public class SugerRepository : ISugerHandler
{

/// <summary>
/// 数据库连接对象
/// </summary>
public SqlSugarClient DbContext { get; set; } = BaseDbContext.Db;

/// <summary>
/// 初始化
/// </summary>
/// <param name="serverIp">服务器IP</param>
/// <param name="user">用户名</param>
/// <param name="pass">密码</param>
/// <param name="dataBase">数据库</param>
/// <returns>值</returns>
public void Instance(string serverIp, string user, string pass, string dataBase)
{
DbContext = BaseDbContext.GetIntance(serverIp, user, pass, dataBase);
}

#region 事务

/// <summary>
/// 事务操作
/// 注意:代码段里面如果调用本身类其它方法或其它类方法必须带着var db = SugerHandler.Instance()这个db走，不带着走事务回滚会不成功
/// </summary>
/// <param name="serviceAction">代码段</param>
/// <param name="level">事务级别</param>
public void InvokeTransactionScope(Action serviceAction, IsolationLevel level = IsolationLevel.ReadCommitted)
{
try
{
DbContext.Ado.BeginTran(level);
serviceAction();
DbContext.Ado.CommitTran();
}
catch (Exception ex)
{
DbContext.Ado.RollbackTran();
throw new Exception(ex.Message);
}
finally
{
Dispose();
}
}
#endregion

#region 数据库管理
/// <summary>
/// 添加列
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="column">列信息</param>
/// <returns>值</returns>
public bool AddColumn(string tableName, DbColumnInfo column)
{
return DbContext.DbMaintenance.AddColumn(tableName, column);
}
/// <summary>
/// 添加主键
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="columnName">列名</param>
/// <returns>值</returns>
public bool AddPrimaryKey(string tableName, string columnName)
{
return DbContext.DbMaintenance.AddPrimaryKey(tableName, columnName);
}
/// <summary>
/// 备份数据库
/// </summary>
/// <param name="databaseName">数据库名</param>
/// <param name="fullFileName">文件名</param>
/// <returns>值</returns>
public bool BackupDataBase(string databaseName, string fullFileName)
{
return DbContext.DbMaintenance.BackupDataBase(databaseName, fullFileName);
}
/// <summary>
/// 备份表
/// </summary>
/// <param name="oldTableName">旧表名</param>
/// <param name="newTableName">行表名</param>
/// <param name="maxBackupDataRows">行数</param>
/// <returns>值</returns>
public bool BackupTable(string oldTableName, string newTableName, int maxBackupDataRows = int.MaxValue)
{
return DbContext.DbMaintenance.BackupTable(oldTableName, newTableName, maxBackupDataRows);
}
/// <summary>
/// 创建表
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="columns">列集合</param>
/// <param name="isCreatePrimaryKey">是否创建主键</param>
/// <returns>值</returns>
public bool CreateTable(string tableName, List<DbColumnInfo> columns, bool isCreatePrimaryKey = true)
{
return DbContext.DbMaintenance.CreateTable(tableName, columns, isCreatePrimaryKey);
}
/// <summary>
/// 删除列
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="columnName">列名</param>
/// <returns>值</returns>
public bool DropColumn(string tableName, string columnName)
{
return DbContext.DbMaintenance.DropColumn(tableName, columnName);
}
/// <summary>
/// 删除约束
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="constraintName">约束名</param>
/// <returns>值</returns>
public bool DropConstraint(string tableName, string constraintName)
{
return DbContext.DbMaintenance.DropConstraint(tableName, constraintName);
}
/// <summary>
/// 删除表
/// </summary>
/// <param name="tableName"></param>
/// <returns>值</returns>
public bool DropTable(string tableName)
{
return DbContext.DbMaintenance.DropTable(tableName);
}
/// <summary>
/// 获取列信息
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="isCache">是否缓存</param>
/// <returns>值</returns>
public List<DbColumnInfo> GetColumnInfosByTableName(string tableName, bool isCache = true)
{
return DbContext.DbMaintenance.GetColumnInfosByTableName(tableName, isCache);
}
/// <summary>
/// 获取自增列
/// </summary>
/// <param name="tableName">表名</param>
/// <returns>值</returns>
public List<string> GetIsIdentities(string tableName)
{
return DbContext.DbMaintenance.GetIsIdentities(tableName);
}
/// <summary>
/// 获取主键
/// </summary>
/// <param name="tableName">表名</param>
/// <returns>值</returns>
public List<string> GetPrimaries(string tableName)
{
return DbContext.DbMaintenance.GetPrimaries(tableName);
}
/// <summary>
/// 获取表集合
/// </summary>
/// <param name="isCache">是否缓存</param>
/// <returns>值</returns>
public List<DbTableInfo> GetTableInfoList(bool isCache = true)
{
return DbContext.DbMaintenance.GetTableInfoList(isCache);
}
/// <summary>
/// 获取视图集合
/// </summary>
/// <param name="isCache">是否缓存</param>
/// <returns>值</returns>
public List<DbTableInfo> GetViewInfoList(bool isCache = true)
{
return DbContext.DbMaintenance.GetViewInfoList(isCache);
}
/// <summary>
/// 检测列是否存在
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="column">列名</param>
/// <returns>值</returns>
public bool IsAnyColumn(string tableName, string column)
{
return DbContext.DbMaintenance.IsAnyColumn(tableName, column);
}
/// <summary>
/// 检测约束
/// </summary>
/// <param name="constraintName">约束名称</param>
/// <returns>值</returns>
public bool IsAnyConstraint(string constraintName)
{
return DbContext.DbMaintenance.IsAnyConstraint(constraintName);
}
/// <summary>
/// 检测是否有任何系统表权限
/// </summary>
/// <returns>值</returns>
public bool IsAnySystemTablePermissions()
{
return DbContext.DbMaintenance.IsAnySystemTablePermissions();
}
/// <summary>
/// 检测表是否存在
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="isCache">是否缓存</param>
/// <returns>值</returns>
public bool IsAnyTable(string tableName, bool isCache = true)
{
return DbContext.DbMaintenance.IsAnyTable(tableName, isCache);
}
/// <summary>
/// 检测列是否自增列
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="column">列名</param>
/// <returns>值</returns>
public bool IsIdentity(string tableName, string column)
{
return DbContext.DbMaintenance.IsIdentity(tableName, column);
}
/// <summary>
/// 检测列是否主键
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="column">列名</param>
/// <returns>值</returns>
public bool IsPrimaryKey(string tableName, string column)
{
return DbContext.DbMaintenance.IsPrimaryKey(tableName, column);
}
/// <summary>
/// 重置列名
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="oldColumnName">旧列名</param>
/// <param name="newColumnName">新列名</param>
/// <returns>值</returns>
public bool RenameColumn(string tableName, string oldColumnName, string newColumnName)
{
return DbContext.DbMaintenance.RenameColumn(tableName, oldColumnName, newColumnName);
}
/// <summary>
/// 重置表数据
/// </summary>
/// <param name="tableName">表名</param>
/// <returns>值</returns>
public bool TruncateTable(string tableName)
{
return DbContext.DbMaintenance.TruncateTable(tableName);
}
/// <summary>
/// 修改列信息
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="column">列信息</param>
/// <returns>值</returns>
public bool UpdateColumn(string tableName, DbColumnInfo column)
{
return DbContext.DbMaintenance.UpdateColumn(tableName, column);
}

/// <summary>
/// 获取数据库时间
/// </summary>
/// <returns>返回值</returns>
public DateTime GetDataBaseTime()
{
return DbContext.GetDate();
}

#endregion

#region 新增
/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象 </param>
/// <returns>操作影响的行数</returns>
public int Add<T>(T entity) where T : class, new()
{
try
{
var result = DbContext.Insertable(entity).ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}
}

/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entitys">泛型集合</param>
/// <returns>操作影响的行数</returns>
public int Add<T>(List<T> entitys) where T : class, new()
{
try
{
var result = DbContext.Insertable(entitys).ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}
}

/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="keyValues">字典集合（Key:列名 Value:值）</param>
/// <returns>操作影响的行数</returns>
public int Add<T>(Dictionary<string, object> keyValues) where T : class, new()
{
try
{
var result = DbContext.Insertable<T>(keyValues).ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}
}

/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象 </param>
/// <returns>返回实体</returns>
public T AddReturnEntity<T>(T entity) where T : class, new()
{
try
{
var result = DbContext.Insertable(entity).ExecuteReturnEntity();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象 </param>
/// <returns>返回自增列</returns>
public int AddReturnIdentity<T>(T entity) where T : class, new()
{
try
{
var result = DbContext.Insertable(entity).ExecuteReturnIdentity();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象 </param>
/// <returns>返回bool</returns>
public bool AddReturnBool<T>(T entity) where T : class, new()
{
try
{
var result = DbContext.Insertable(entity).ExecuteCommand()>0;
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

/// <summary>
/// 新增
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entitys">泛型集合</param>
/// <returns>返回bool</returns>
public bool AddReturnBool<T>(List<T> entitys) where T : class, new()
{
try
{
var result = DbContext.Insertable(entitys).ExecuteCommand() > 0;
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

#endregion

#region 修改
/// <summary>
/// 修改（主键是更新条件）
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件 </param>
/// <param name="lstIgnoreColumns">不更新的列</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int Update<T>(T entity, List<string> lstIgnoreColumns = null, bool isLock = true) where T : class, new()
{
try
{
IUpdateable<T> up = DbContext.Updateable(entity);
if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0)
{
up = up.IgnoreColumns(lstIgnoreColumns.Contains);
}
if (isLock)
{
up = up.With(SqlWith.UpdLock);
}
var result = up.ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

/// <summary>
/// 修改（主键是更新条件）
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entitys"> 实体对象集合（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件 </param>
/// <param name="lstIgnoreColumns">不更新的列</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int Update<T>(List<T> entitys, List<string> lstIgnoreColumns = null, bool isLock = true) where T : class, new()
{
try
{
IUpdateable<T> up = DbContext.Updateable(entitys);
if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0)
{
up = up.IgnoreColumns(lstIgnoreColumns.Contains);
}
if (isLock)
{
up = up.With(SqlWith.UpdLock);
}
var result = up.ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

/// <summary>
/// 修改
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象 </param>
/// <param name="where"> 条件 </param>
/// <param name="lstIgnoreColumns">不更新的列</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int Update<T>(T entity, Expression<Func<T, bool>> where, List<string> lstIgnoreColumns = null, bool isLock = true) where T : class, new()
{
try
{
IUpdateable<T> up = DbContext.Updateable(entity);
if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0)
{
up = up.IgnoreColumns(lstIgnoreColumns.Contains);
}
up = up.Where(where);
if (isLock)
{
up = up.With(SqlWith.UpdLock);
}
var result = up.ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

/// <summary>
/// 修改
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="update"> 实体对象 </param>
/// <param name="where"> 条件 </param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int Update<T>(Expression<Func<T, T>> update, Expression<Func<T, bool>> where=null, bool isLock = true) where T : class, new()
{
try
{
IUpdateable<T> up = DbContext.Updateable<T>().UpdateColumns(update);
if (where != null)
{
up = up.Where(where);
}
if (isLock)
{
up = up.With(SqlWith.UpdLock);
}
var result = up.ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

/// <summary>
/// 修改
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="keyValues">字典集合（Key:列名 Value:值）</param>
/// <param name="where"> 条件 </param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int Update<T>(Dictionary<string, object> keyValues, Expression<Func<T, bool>> where = null, bool isLock = true) where T : class, new()
{
try
{
IUpdateable<T> up = DbContext.Updateable<T>(keyValues);
if (where != null)
{
up = up.Where(where);
}
if (isLock)
{
up = up.With(SqlWith.UpdLock);
}
var result = up.ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

/// <summary>
/// 批量修改需要更新的列
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entitys"> 实体对象（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件 </param>
/// <param name="updateColumns">更新指定列</param>
/// <param name="wherecolumns">条件(为空则以主键更新,反之需要把wherecolumns中的列加到UpdateColumns中)</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int UpdateColumns<T>(List<T> entitys, Expression<Func<T, object>> updateColumns, Expression<Func<T, object>> wherecolumns = null, bool isLock = true) where T : class, new()
{
try
{
IUpdateable<T> up = DbContext.Updateable(entitys).UpdateColumns(updateColumns);
if (wherecolumns != null)
{
up = up.WhereColumns(wherecolumns);
}
if (isLock)
{
up = up.With(SqlWith.UpdLock);
}
var result = up.ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

/// <summary>
/// 修改通过RowVer及主键Code 更新
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象 </param>
/// <param name="lstIgnoreColumns">不更新的列</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int UpdateRowVer<T>(T entity, List<string> lstIgnoreColumns = null, bool isLock = true) where T : class, new()
{
try
{
Type ts = entity.GetType();
var rowVerProperty = ts.GetProperty("RowVer");
if (rowVerProperty == null)
{
throw new Exception("Column RowVer Not Exist");
}
if (rowVerProperty.GetValue(entity, null) == null)
{
throw new Exception("RowVer Value Is Null");
}
var codeProperty = ts.GetProperty("Code");
if (codeProperty == null)
{
throw new Exception("Column Code Not Exist");
}
if (codeProperty.GetValue(entity, null) == null)
{
throw new Exception("Code Value Is Null");
}
var rowVerValue = int.Parse(rowVerProperty.GetValue(entity, null).ToString());
var codeValue = codeProperty.GetValue(entity, null).ToString();
var sqlWhere = $" RowVer={rowVerValue} AND Code='{codeValue}'";
rowVerProperty.SetValue(entity, rowVerValue + 1, null);
IUpdateable<T> up = DbContext.Updateable(entity);
if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0)
{
up = up.IgnoreColumns(lstIgnoreColumns.Contains);
}
up = up.Where(sqlWhere);
if (isLock)
{
up = up.With(SqlWith.UpdLock);
}
var result = up.ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

/// <summary>
/// 修改
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="update"> 实体对象 </param>
/// <param name="where"> 更新条件 </param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int UpdateRowVer<T>(Expression<Func<T, T>> update, Dictionary<string, object> where, bool isLock = true) where T : class, new()
{
try
{
if (!where.ContainsKey("RowVer"))
{
throw new Exception("Column RowVer Not Exist");
}
if (where["RowVer"] == null)
{
throw new Exception("RowVer Value Is Null");
}
if (update.Body.ToString().IndexOf("RowVer", StringComparison.Ordinal)==-1)
{
throw new Exception("Column RowVer Update Is Null");
}
var sqlWhere = "";
foreach (var item in where)
{
sqlWhere +=string.IsNullOrWhiteSpace(sqlWhere)? $" {item.Key}='{item.Value}'" : $" and {item.Key}='{item.Value}'";
}
IUpdateable<T> up = DbContext.Updateable<T>().UpdateColumns(update).Where(sqlWhere);
if (isLock)
{
up = up.With(SqlWith.UpdLock);
}
var result = up.ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

#endregion

#region 删除

/// <summary>
/// 删除
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="primaryKeyValues">主键值</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int DeleteByPrimary<T>(List<object> primaryKeyValues, bool isLock = true) where T : class, new()
{
try
{
var result = isLock ?
DbContext.Deleteable<T>().In(primaryKeyValues).With(SqlWith.RowLock).ExecuteCommand()
: DbContext.Deleteable<T>().In(primaryKeyValues).ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}
/// <summary>
/// 删除
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int Delete<T>(T entity, bool isLock = true) where T : class, new()
{
try
{
var result = isLock ?
DbContext.Deleteable(entity).With(SqlWith.RowLock).ExecuteCommand()
: DbContext.Deleteable(entity).ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}
/// <summary>
/// 删除
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="entity"> 实体对象（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件</param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int Delete<T>(List<T> entity, bool isLock = true) where T : class, new()
{
try
{
var result = isLock ?
DbContext.Deleteable(entity).With(SqlWith.RowLock).ExecuteCommand()
: DbContext.Deleteable(entity).ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}
/// <summary>
/// 删除
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="where"> 条件 </param>
/// <param name="isLock"> 是否加锁 </param>
/// <returns>操作影响的行数</returns>
public int Delete<T>(Expression<Func<T, bool>> where, bool isLock = true) where T : class, new()
{
try
{
var result = isLock ?
DbContext.Deleteable<T>().Where(where).With(SqlWith.RowLock).ExecuteCommand()
: DbContext.Deleteable<T>().Where(where).ExecuteCommand();
return result;
}
catch (Exception ex)
{

throw new Exception(ex.Message);
}

}

/// <summary>
/// 通过多值(主键)删除数据集
/// </summary>
/// <typeparam name="T">泛型参数(集合成员的类型)</typeparam>
/// <param name="inValues">数据集合</param>
/// <returns>值</returns>
public int DeleteIn<T>(List<dynamic> inValues) where T : class, new()
{
return DbContext.Deleteable<T>().With(SqlWith.RowLock).In(inValues).ExecuteCommand();
}

#endregion

#region 查询

#region 数据源

///// <summary>
///// 查询数据源
///// </summary>
///// <typeparam name="T">泛型参数(集合成员的类型</typeparam>
///// <returns>数据源</returns>
//public ISugarQueryable<T> Queryable<T>() where T : class, new()
//{
// return DbContext.Queryable<T>();
//}

#endregion

#region 多表查询

/// <summary>
///查询-多表查询
/// </summary>
/// <typeparam name="T">实体1</typeparam>
/// <typeparam name="T2">实体2</typeparam>
/// <typeparam name="TResult">返回对象</typeparam>
/// <param name="joinExpression">关联表达式 (t1,t2) => new object[] {JoinType.Left,t1.UserNo==t2.UserNo}</param>
/// <param name="selectExpression">返回表达式 (t1, t2) => new { Id =t1.UserNo, Id1 = t2.UserNo}</param>
/// <param name="whereLambda">查询表达式 (t1, t2) =>t1.UserNo == "")</param>
/// <returns>值</returns>
public List<TResult> QueryMuch<T, T2, TResult>(
Expression<Func<T, T2, object[]>> joinExpression,
Expression<Func<T, T2, TResult>> selectExpression,
Expression<Func<T, T2, bool>> whereLambda = null) where T : class, new()
{
if (whereLambda == null)
{
return DbContext.Queryable(joinExpression).Select(selectExpression).ToList();
}
return DbContext.Queryable(joinExpression).Where(whereLambda).Select(selectExpression).ToList();
}

/// <summary>
///查询-多表查询
/// </summary>
/// <typeparam name="T">实体1</typeparam>
/// <typeparam name="T2">实体2</typeparam>
/// <typeparam name="T3">实体3</typeparam>
/// <typeparam name="TResult">返回对象</typeparam>
/// <param name="joinExpression">关联表达式 (join1,join2) => new object[] {JoinType.Left,join1.UserNo==join2.UserNo}</param>
/// <param name="selectExpression">返回表达式 (s1, s2) => new { Id =s1.UserNo, Id1 = s2.UserNo}</param>
/// <param name="whereLambda">查询表达式 (w1, w2) =>w1.UserNo == "")</param>
/// <returns>值</returns>
public List<TResult> QueryMuch<T, T2, T3, TResult>(
Expression<Func<T, T2, T3, object[]>> joinExpression,
Expression<Func<T, T2, T3, TResult>> selectExpression,
Expression<Func<T, T2, T3, bool>> whereLambda = null) where T : class, new()
{
if (whereLambda == null)
{
return DbContext.Queryable(joinExpression).Select(selectExpression).ToList();
}
return DbContext.Queryable(joinExpression).Where(whereLambda).Select(selectExpression).ToList();
}

/// <summary>
///查询-多表查询
/// </summary>
/// <typeparam name="T">实体1</typeparam>
/// <typeparam name="T2">实体2</typeparam>
/// <typeparam name="T3">实体3</typeparam>
/// <typeparam name="T4">实体4</typeparam>
/// <typeparam name="T5">实体5</typeparam>
/// <typeparam name="T6">实体6</typeparam>
/// <typeparam name="TResult">返回对象</typeparam>
/// <param name="joinExpression">关联表达式 (join1,join2) => new object[] {JoinType.Left,join1.UserNo==join2.UserNo}</param>
/// <param name="selectExpression">返回表达式 (s1, s2) => new { Id =s1.UserNo, Id1 = s2.UserNo}</param>
/// <param name="whereLambda">查询表达式 (w1, w2) =>w1.UserNo == "")</param>
/// <returns>值</returns>
public List<TResult> QueryMuch<T, T2, T3, T4, T5,T6, TResult>(
Expression<Func<T, T2, T3, T4, T5, T6, object[]>> joinExpression,
Expression<Func<T, T2, T3, T4, T5, T6, TResult>> selectExpression,
Expression<Func<T, T2, T3, T4, T5, T6, bool>> whereLambda = null) where T : class, new()
{
if (whereLambda == null)
{
return DbContext.Queryable(joinExpression).Select(selectExpression).ToList();
}
return DbContext.Queryable(joinExpression).Where(whereLambda).Select(selectExpression).ToList();
}
/// <summary>
///查询-多表查询
/// </summary>
/// <typeparam name="T">实体1</typeparam>
/// <typeparam name="T2">实体2</typeparam>
/// <typeparam name="T3">实体3</typeparam>
/// <typeparam name="T4">实体4</typeparam>
/// <typeparam name="T5">实体5</typeparam>
/// <typeparam name="T6">实体6</typeparam>
/// <typeparam name="T7">实体7</typeparam>
/// <typeparam name="TResult">返回对象</typeparam>
/// <param name="joinExpression">关联表达式 (join1,join2) => new object[] {JoinType.Left,join1.UserNo==join2.UserNo}</param>
/// <param name="selectExpression">返回表达式 (s1, s2) => new { Id =s1.UserNo, Id1 = s2.UserNo}</param>
/// <param name="whereLambda">查询表达式 (w1, w2) =>w1.UserNo == "")</param>
/// <returns>值</returns>
public List<TResult> QueryMuch<T, T2, T3, T4, T5, T6, T7, TResult>(
Expression<Func<T, T2, T3, T4, T5, T6, T7, object[]>> joinExpression,
Expression<Func<T, T2, T3, T4, T5, T6, T7, TResult>> selectExpression,
Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> whereLambda = null) where T : class, new()
{
if (whereLambda == null)
{
return DbContext.Queryable(joinExpression).Select(selectExpression).ToList();
}
return DbContext.Queryable(joinExpression).Where(whereLambda).Select(selectExpression).ToList();
}

/// <summary>
///查询-多表查询
/// </summary>
/// <typeparam name="T">实体1</typeparam>
/// <typeparam name="T2">实体2</typeparam>
/// <typeparam name="TResult">返回对象</typeparam>
/// <param name="joinExpression">关联表达式 (t1,t2) => new object[] {JoinType.Left,t1.UserNo==t2.UserNo}</param>
/// <param name="selectExpression">返回表达式 (t1, t2) => new { Id =t1.UserNo, Id1 = t2.UserNo}</param>
/// <param name="query">查询条件</param>
/// <param name="totalCount">总行数</param>
/// <returns>值</returns>
public List<TResult> QueryMuchDescriptor<T, T2, TResult>(
Expression<Func<T, T2, object[]>> joinExpression,
Expression<Func<T, T2, TResult>> selectExpression,
QueryDescriptor query, out int totalCount) where T : class, new()
{
var up = DbContext.Queryable(joinExpression).Select(selectExpression).MergeTable();

if (query.Conditions != null)
{
var conds = ParseCondition(query.Conditions);
up = up.Where(conds);
}

if (query.OrderBys != null)
{
var orderBys = ParseOrderBy(query.OrderBys);
up = up.OrderBy(orderBys);
}

/// <summary>
///查询-多表查询
/// </summary>
/// <typeparam name="T">实体1</typeparam>
/// <typeparam name="T2">实体2</typeparam>
/// <typeparam name="T3">实体3</typeparam>
/// <typeparam name="TResult">返回对象</typeparam>
/// <param name="joinExpression">关联表达式 (join1,join2) => new object[] {JoinType.Left,join1.UserNo==join2.UserNo}</param>
/// <param name="selectExpression">返回表达式 (s1, s2) => new { Id =s1.UserNo, Id1 = s2.UserNo}</param>
/// <param name="query">查询条件</param>
/// <param name="totalCount">总行数</param>
/// <returns>值</returns>
public List<TResult> QueryMuchDescriptor<T, T2, T3, TResult>(
Expression<Func<T, T2, T3, object[]>> joinExpression,
Expression<Func<T, T2, T3, TResult>> selectExpression,
QueryDescriptor query, out int totalCount) where T : class, new()
{
var up = DbContext.Queryable(joinExpression).Select(selectExpression).MergeTable();