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using Admin.Core.Common;
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using Admin.Core.Model;
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using SqlSugar;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Threading.Tasks;
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using Admin.Core.IRepository;
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using NPOI.SS.Formula.Functions;
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using Org.BouncyCastle.Crypto;
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using Castle.DynamicProxy.Generators.Emitters.SimpleAST;
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namespace Admin.Core.Repository
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{
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public class BaseRepository<TEntity> : IBaseRepository<TEntity> where TEntity : class, new()
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{
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private readonly IUnitOfWork _unitOfWork;
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private SqlSugarClient _dbBase;
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private ISqlSugarClient _db
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{
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get
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{
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/* 如果要开启多库支持，
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* 1、在appsettings.json 中开启MutiDBEnabled节点为true，必填
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* 2、设置一个主连接的数据库ID，节点MainDB，对应的连接字符串的Enabled也必须true，必填
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*/
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if (Appsettings.app(new string[] { "MutiDBEnabled" }).ObjToBool())
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{
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if (typeof(TEntity).GetTypeInfo().GetCustomAttributes(typeof(SugarTable), true).FirstOrDefault((x => x.GetType() == typeof(SugarTable))) is SugarTable sugarTable && !string.IsNullOrEmpty(sugarTable.TableDescription))
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{
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_dbBase.ChangeDatabase(sugarTable.TableDescription.ToLower());
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}
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else
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{
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_dbBase.ChangeDatabase(MainDb.CurrentDbConnId.ToLower());
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}
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}
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return _dbBase;
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}
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}
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public ISqlSugarClient Db
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{
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get { return _db; }
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}
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public BaseRepository(IUnitOfWork unitOfWork)
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{
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_unitOfWork = unitOfWork;
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_dbBase = unitOfWork.GetDbClient();
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}
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#region 异步方法
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public async Task<TEntity> QueryByIdAsync(object objId)
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{
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//return await Task.Run(() => _db.CopyNew().Queryable<TEntity>().InSingle(objId));
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return await _db.CopyNew().Queryable<TEntity>().In(objId).SingleAsync();
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}
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/// <summary>
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/// 功能描述:根据ID查询一条数据
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/// 作 者:Admin.Core
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/// </summary>
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/// <param name="objId">id（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>
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/// <param name="blnUseCache">是否使用缓存</param>
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/// <returns>数据实体</returns>
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public async Task<TEntity> QueryByIdAsync(object objId, bool blnUseCache = false)
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{
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//return await Task.Run(() => _db.CopyNew().Queryable<TEntity>().WithCacheIF(blnUseCache).InSingle(objId));
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return await _db.CopyNew().Queryable<TEntity>().WithCacheIF(blnUseCache).In(objId).SingleAsync();
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}
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/// <summary>
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/// 功能描述:根据ID查询数据
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/// 作 者:Admin.Core
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/// </summary>
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/// <param name="lstIds">id列表（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>
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/// <returns>数据实体列表</returns>
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public async Task<List<TEntity>> QueryByIDsAsync(object[] lstIds)
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{
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//return await Task.Run(() => _db.CopyNew().Queryable<TEntity>().In(lstIds).ToList());
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return await _db.CopyNew().Queryable<TEntity>().In(lstIds).ToListAsync();
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}
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/// <summary>
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/// 写入实体数据
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/// </summary>
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/// <param name="entity">博文实体类</param>
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/// <returns></returns>
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public async Task<int> AddAsync(TEntity entity)
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{
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//var i = await Task.Run(() => _db.CopyNew().Insertable(entity).ExecuteReturnBigIdentity());
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////返回的i是long类型,这里你可以根据你的业务需要进行处理
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//return (int)i;
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var insert = _db.CopyNew().Insertable(entity);
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//这里你可以返回TEntity，这样的话就可以获取id值，无论主键是什么类型
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//var return3 = await insert.ExecuteReturnEntityAsync();
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return await insert.ExecuteReturnIdentityAsync();
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}
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/// <summary>
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/// 写入实体数据
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/// </summary>
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/// <param name="entity">实体类</param>
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/// <param name="insertColumns">指定只插入列</param>
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/// <returns>返回自增量列</returns>
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public async Task<int> AddAsync(TEntity entity, Expression<Func<TEntity, object>> insertColumns = null)
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{
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var insert = _db.CopyNew().Insertable(entity);
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if (insertColumns == null)
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{
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return await insert.ExecuteReturnIdentityAsync();
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}
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else
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{
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return await insert.InsertColumns(insertColumns).ExecuteReturnIdentityAsync();
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}
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}
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/// <summary>
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/// 批量插入实体(速度快)
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/// </summary>
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/// <param name="listEntity">实体集合</param>
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/// <returns>影响行数</returns>
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public async Task<int> AddAsync(List<TEntity> listEntity)
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{
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return await _db.CopyNew().Insertable(listEntity.ToArray()).ExecuteCommandAsync();
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}
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/// <summary>
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/// 更新实体数据
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/// </summary>
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/// <param name="entity">博文实体类</param>
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/// <returns></returns>
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public async Task<bool> UpdateAsync(TEntity entity)
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{
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////这种方式会以主键为条件
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//var i = await Task.Run(() => _db.CopyNew().Updateable(entity).ExecuteCommand());
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//return i > 0;
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//这种方式会以主键为条件
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return await _db.CopyNew().Updateable(entity).ExecuteCommandHasChangeAsync();
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}
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public async Task<bool> UpdateAsync(TEntity entity, string strWhere)
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{
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//return await Task.Run(() => _db.CopyNew().Updateable(entity).Where(strWhere).ExecuteCommand() > 0);
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return await _db.CopyNew().Updateable(entity).Where(strWhere).ExecuteCommandHasChangeAsync();
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}
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public async Task<bool> UpdateAsync(string strSql, SugarParameter[] parameters = null)
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{
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//return await Task.Run(() => _db.CopyNew().Ado.ExecuteCommand(strSql, parameters) > 0);
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return await _db.CopyNew().Ado.ExecuteCommandAsync(strSql, parameters) > 0;
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}
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public async Task<bool> UpdateAsync(object operateAnonymousObjects)
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{
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return await _db.CopyNew().Updateable<TEntity>(operateAnonymousObjects).ExecuteCommandAsync() > 0;
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}
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public async Task<bool> UpdateAsync(
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TEntity entity,
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List<string> lstColumns = null,
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List<string> lstIgnoreColumns = null,
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string strWhere = ""
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)
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{
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//IUpdateable<TEntity> up = await Task.Run(() => _db.CopyNew().Updateable(entity));
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//if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0)
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//{
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// up = await Task.Run(() => up.IgnoreColumns(it => lstIgnoreColumns.Contains(it)));
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//}
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//if (lstColumns != null && lstColumns.Count > 0)
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//{
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// up = await Task.Run(() => up.UpdateColumns(it => lstColumns.Contains(it)));
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//}
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//if (!string.IsNullOrEmpty(strWhere))
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//{
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// up = await Task.Run(() => up.Where(strWhere));
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//}
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//return await Task.Run(() => up.ExecuteCommand()) > 0;
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IUpdateable<TEntity> up = _db.CopyNew().Updateable(entity);
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if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0)
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{
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up = up.IgnoreColumns(lstIgnoreColumns.ToArray());
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}
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if (lstColumns != null && lstColumns.Count > 0)
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{
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up = up.UpdateColumns(lstColumns.ToArray());
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}
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if (!string.IsNullOrEmpty(strWhere))
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{
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up = up.Where(strWhere);
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}
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return await up.ExecuteCommandHasChangeAsync();
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}
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/// <summary>
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/// 正序查询第一条数据
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/// </summary>
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/// <returns></returns>
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public async Task<TEntity> FirstAsync()
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{
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return await _db.CopyNew().Queryable<TEntity>().FirstAsync();
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}
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/// <summary>
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/// 查询第一条数据
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/// </summary>
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/// <param name="whereExpression"></param>
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/// <returns></returns>
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public async Task<TEntity> FirstAsync(Expression<Func<TEntity, bool>> whereExpression)
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{
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return await _db.CopyNew().Queryable<TEntity>().WhereIF(whereExpression != null, whereExpression).FirstAsync();
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}
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/// <summary>
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/// 根据实体删除一条数据
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/// </summary>
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/// <param name="entity">博文实体类</param>
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/// <returns></returns>
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public async Task<bool> DeleteAsync(TEntity entity)
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{
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//var i = await Task.Run(() => _db.CopyNew().Deleteable(entity).ExecuteCommand());
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//return i > 0;
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return await _db.CopyNew().Deleteable(entity).ExecuteCommandHasChangeAsync();
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}
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/// <summary>
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/// 删除指定ID的数据
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/// </summary>
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/// <param name="id">主键ID</param>
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/// <returns></returns>
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public async Task<bool> DeleteByIdAsync(object id)
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{
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//var i = await Task.Run(() => _db.CopyNew().Deleteable<TEntity>(id).ExecuteCommand());
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//return i > 0;
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return await _db.CopyNew().Deleteable<TEntity>(id).ExecuteCommandHasChangeAsync();
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}
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/// <summary>
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/// 删除指定ID集合的数据(批量删除)
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/// </summary>
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/// <param name="ids">主键ID集合</param>
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/// <returns></returns>
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public async Task<bool> DeletesAsync(List<TEntity> entitys)
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{
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//var i = await Task.Run(() => _db.CopyNew().Deleteable<TEntity>().In(ids).ExecuteCommand());
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//return i > 0;
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return await _db.CopyNew().Deleteable<TEntity>(entitys).ExecuteCommandHasChangeAsync();
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}
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/// <summary>
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/// 功能描述:查询所有数据
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/// 作 者:Admin.Core
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/// </summary>
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/// <returns>数据列表</returns>
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public async Task<List<TEntity>> QueryAsync()
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{
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return await _db.CopyNew().Queryable<TEntity>().ToListAsync();
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}
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/// <summary>
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/// 功能描述:查询数据列表
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/// 作 者:Admin.Core
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/// </summary>
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/// <param name="strWhere">条件</param>
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/// <returns>数据列表</returns>
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public async Task<List<TEntity>> QueryAsync(string strWhere)
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{
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//return await Task.Run(() => _db.CopyNew().Queryable<TEntity>().WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList());
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return await _db.CopyNew().Queryable<TEntity>().WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToListAsync();
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}
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/// <summary>
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/// 功能描述:查询数据列表
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/// 作 者:Admin.Core
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/// </summary>
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/// <param name="whereExpression">whereExpression</param>
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/// <returns>数据列表</returns>
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public async Task<List<TEntity>> QueryAsync(Expression<Func<TEntity, bool>> whereExpression)
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{
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return await _db.CopyNew().Queryable<TEntity>().WhereIF(whereExpression != null, whereExpression).ToListAsync();
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}
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/// <summary>
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/// 功能描述:按照特定列查询数据列表
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/// 作 者:Admin.Core
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/// </summary>
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/// <typeparam name="TResult"></typeparam>
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/// <param name="expression"></param>
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/// <returns></returns>
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public async Task<List<TResult>> QueryAsync<TResult>(Expression<Func<TEntity, TResult>> expression)
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{
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return await _db.CopyNew().Queryable<TEntity>().Select(expression).ToListAsync();
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}
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/// <summary>
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/// 功能描述:按照特定列查询数据列表带条件排序
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/// 作 者:Admin.Core
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/// </summary>
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/// <typeparam name="TResult"></typeparam>
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/// <param name="whereExpression">过滤条件</param>
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/// <param name="expression">查询实体条件</param>
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/// <param name="strOrderByFileds">排序条件</param>
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/// <returns></returns>
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public async Task<List<TResult>> QueryAsync<TResult>(Expression<Func<TEntity, TResult>> expression, Expression<Func<TEntity, bool>> whereExpression, string strOrderByFileds)
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{
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return await _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).Select(expression).ToListAsync();
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}
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/// <summary>
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/// 功能描述:查询一个列表
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/// 作 者:Admin.Core
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/// </summary>
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/// <param name="whereExpression">条件表达式</param>
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/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
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/// <returns>数据列表</returns>
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public async Task<List<TEntity>> QueryAsync(Expression<Func<TEntity, bool>> whereExpression, string strOrderByFileds)
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{
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//return await Task.Run(() => _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToList());
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return await _db.CopyNew().Queryable<TEntity>().WhereIF(whereExpression != null, whereExpression).OrderByIF(strOrderByFileds != null, strOrderByFileds).ToListAsync();
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}
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/// <summary>
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/// 功能描述:查询一个列表
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/// </summary>
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/// <param name="whereExpression"></param>
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/// <param name="orderByExpression"></param>
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/// <param name="isAsc"></param>
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/// <returns></returns>
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public async Task<List<TEntity>> QueryAsync(Expression<Func<TEntity, bool>> whereExpression, Expression<Func<TEntity, object>> orderByExpression, bool isAsc = true)
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{
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//return await Task.Run(() => _db.CopyNew().Queryable<TEntity>().OrderByIF(orderByExpression != null, orderByExpression, isAsc ? OrderByType.Asc : OrderByType.Desc).WhereIF(whereExpression != null, whereExpression).ToList());
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return await _db.CopyNew().Queryable<TEntity>().OrderByIF(orderByExpression != null, orderByExpression, isAsc ? OrderByType.Asc : OrderByType.Desc).WhereIF(whereExpression != null, whereExpression).ToListAsync();
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}
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/// <summary>
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/// 功能描述:查询一个列表
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/// 作 者:Admin.Core
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/// </summary>
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/// <param name="strWhere">条件</param>
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/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
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/// <returns>数据列表</returns>
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public async Task<List<TEntity>> QueryAsync(string strWhere, string strOrderByFileds)
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{
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//return await Task.Run(() => _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList());
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return await _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToListAsync();
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}
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/// <summary>
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/// 功能描述:查询前N条数据
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/// 作 者:Admin.Core
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/// </summary>
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/// <param name="whereExpression">条件表达式</param>
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/// <param name="intTop">前N条</param>
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/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
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/// <returns>数据列表</returns>
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public async Task<List<TEntity>> QueryAsync(
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Expression<Func<TEntity, bool>> whereExpression,
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int intTop,
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string strOrderByFileds)
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{
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//return await Task.Run(() => _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).Take(intTop).ToList());
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return await _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).Take(intTop).ToListAsync();
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}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 功能描述:查询前N条数据
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary>
|
|
|
/// <param name="strWhere">条件</param>
|
|
|
/// <param name="intTop">前N条</param>
|
|
|
/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
|
|
|
/// <returns>数据列表</returns>
|
|
|
public async Task<List<TEntity>> QueryAsync(
|
|
|
string strWhere,
|
|
|
int intTop,
|
|
|
string strOrderByFileds)
|
|
|
{
|
|
|
//return await Task.Run(() => _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).Take(intTop).ToList());
|
|
|
return await _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).Take(intTop).ToListAsync();
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 根据sql语句查询
|
|
|
/// </summary>
|
|
|
/// <param name="strSql">完整的sql语句</param>
|
|
|
/// <param name="parameters">参数</param>
|
|
|
/// <returns>泛型集合</returns>
|
|
|
public async Task<List<TEntity>> QuerySqlAsync(string strSql, SugarParameter[] parameters = null)
|
|
|
{
|
|
|
return await _db.CopyNew().Ado.SqlQueryAsync<TEntity>(strSql, parameters);
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 执行sql语句
|
|
|
/// </summary>
|
|
|
/// <param name="strSql">完整的sql语句</param>
|
|
|
/// <param name="parameters">参数</param>
|
|
|
/// <returns>泛型集合</returns>
|
|
|
public async Task<int> ExecSqlAsync(string strSql, SugarParameter[] parameters = null)
|
|
|
{
|
|
|
return await _db.CopyNew().Ado.ExecuteCommandAsync(strSql, parameters);
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 根据sql语句查询
|
|
|
/// </summary>
|
|
|
/// <param name="strSql">完整的sql语句</param>
|
|
|
/// <param name="parameters">参数</param>
|
|
|
/// <returns>DataTable</returns>
|
|
|
public async Task<DataTable> QueryTableAsync(string strSql, SugarParameter[] parameters = null)
|
|
|
{
|
|
|
return await _db.CopyNew().Ado.GetDataTableAsync(strSql, parameters);
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 功能描述:分页查询
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary>
|
|
|
/// <param name="whereExpression">条件表达式</param>
|
|
|
/// <param name="intPageIndex">页码（下标0）</param>
|
|
|
/// <param name="intPageSize">页大小</param>
|
|
|
/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
|
|
|
/// <returns>数据列表</returns>
|
|
|
public async Task<List<TEntity>> QueryAsync(
|
|
|
Expression<Func<TEntity, bool>> whereExpression,
|
|
|
int intPageIndex,
|
|
|
int intPageSize,
|
|
|
string strOrderByFileds)
|
|
|
{
|
|
|
//return await Task.Run(() => _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToPageList(intPageIndex, intPageSize));
|
|
|
return await _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToPageListAsync(intPageIndex, intPageSize);
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 功能描述:分页查询
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary>
|
|
|
/// <param name="strWhere">条件</param>
|
|
|
/// <param name="intPageIndex">页码（下标0）</param>
|
|
|
/// <param name="intPageSize">页大小</param>
|
|
|
/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
|
|
|
/// <returns>数据列表</returns>
|
|
|
public async Task<List<TEntity>> QueryAsync(
|
|
|
string strWhere,
|
|
|
int intPageIndex,
|
|
|
int intPageSize,
|
|
|
|
|
|
string strOrderByFileds)
|
|
|
{
|
|
|
//return await Task.Run(() => _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToPageList(intPageIndex, intPageSize));
|
|
|
return await _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToPageListAsync(intPageIndex, intPageSize);
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
/// 分页查询[使用版本，其他分页未测试]
|
|
|
/// </summary>
|
|
|
/// <param name="whereExpression">条件表达式</param>
|
|
|
/// <param name="intPageIndex">页码（下标0）</param>
|
|
|
/// <param name="intPageSize">页大小</param>
|
|
|
/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
|
|
|
/// <returns></returns>
|
|
|
public async Task<PageModel<TEntity>> QueryPageAsync(Expression<Func<TEntity, bool>> whereExpression, int intPageIndex = 1, int intPageSize = 20, string strOrderByFileds = null)
|
|
|
{
|
|
|
|
|
|
RefAsync<int> totalCount = 0;
|
|
|
var list = await _db.CopyNew().Queryable<TEntity>()
|
|
|
.OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds)
|
|
|
.WhereIF(whereExpression != null, whereExpression)
|
|
|
.ToPageListAsync(intPageIndex, intPageSize, totalCount);
|
|
|
|
|
|
int pageCount = (Math.Ceiling(totalCount.ObjToDecimal() / intPageSize.ObjToDecimal())).ObjToInt();
|
|
|
return new PageModel<TEntity>() { dataCount = totalCount, pageCount = pageCount, page = intPageIndex, pageSize = intPageSize, data = list };
|
|
|
}
|
|
|
|
|
|
|
|
|
/// <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 async Task<List<TResult>> QueryMuchAsync<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 await _db.CopyNew().Queryable(joinExpression).Select(selectExpression).ToListAsync();
|
|
|
}
|
|
|
return await _db.CopyNew().Queryable(joinExpression).Where(whereLambda).Select(selectExpression).ToListAsync();
|
|
|
}
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
/// 两表联合查询-分页
|
|
|
/// </summary>
|
|
|
/// <typeparam name="T">实体1</typeparam>
|
|
|
/// <typeparam name="T2">实体1</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="whereExpression">查询表达式</param>
|
|
|
/// <param name="intPageIndex">页码</param>
|
|
|
/// <param name="intPageSize">页大小</param>
|
|
|
/// <param name="strOrderByFileds">排序字段</param>
|
|
|
/// <returns></returns>
|
|
|
public async Task<PageModel<TResult>> QueryTabsPageAsync<T, T2, TResult>(
|
|
|
Expression<Func<T, T2, object[]>> joinExpression,
|
|
|
Expression<Func<T, T2, TResult>> selectExpression,
|
|
|
Expression<Func<TResult, bool>> whereExpression,
|
|
|
int intPageIndex = 1,
|
|
|
int intPageSize = 20,
|
|
|
string strOrderByFileds = null)
|
|
|
{
|
|
|
|
|
|
RefAsync<int> totalCount = 0;
|
|
|
var list = await _db.CopyNew().Queryable<T, T2>(joinExpression)
|
|
|
.Select(selectExpression)
|
|
|
.OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds)
|
|
|
.WhereIF(whereExpression != null, whereExpression)
|
|
|
.ToPageListAsync(intPageIndex, intPageSize, totalCount);
|
|
|
int pageCount = (Math.Ceiling(totalCount.ObjToDecimal() / intPageSize.ObjToDecimal())).ObjToInt();
|
|
|
return new PageModel<TResult>() { dataCount = totalCount, pageCount = pageCount, page = intPageIndex, pageSize = intPageSize, data = list };
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 两表联合查询-分页-分组
|
|
|
/// </summary>
|
|
|
/// <typeparam name="T">实体1</typeparam>
|
|
|
/// <typeparam name="T2">实体1</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="whereExpression">查询表达式</param>
|
|
|
/// <param name="intPageIndex">页码</param>
|
|
|
/// <param name="intPageSize">页大小</param>
|
|
|
/// <param name="strOrderByFileds">排序字段</param>
|
|
|
/// <returns></returns>
|
|
|
public async Task<PageModel<TResult>> QueryTabsPageAsync<T, T2, TResult>(
|
|
|
Expression<Func<T, T2, object[]>> joinExpression,
|
|
|
Expression<Func<T, T2, TResult>> selectExpression,
|
|
|
Expression<Func<TResult, bool>> whereExpression,
|
|
|
Expression<Func<T, object>> groupExpression,
|
|
|
int intPageIndex = 1,
|
|
|
int intPageSize = 20,
|
|
|
string strOrderByFileds = null)
|
|
|
{
|
|
|
|
|
|
RefAsync<int> totalCount = 0;
|
|
|
var list = await _db.CopyNew().Queryable<T, T2>(joinExpression).GroupBy(groupExpression)
|
|
|
.Select(selectExpression)
|
|
|
.OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds)
|
|
|
.WhereIF(whereExpression != null, whereExpression)
|
|
|
.ToPageListAsync(intPageIndex, intPageSize, totalCount);
|
|
|
int pageCount = (Math.Ceiling(totalCount.ObjToDecimal() / intPageSize.ObjToDecimal())).ObjToInt();
|
|
|
return new PageModel<TResult>() { dataCount = totalCount, pageCount = pageCount, page = intPageIndex, pageSize = intPageSize, data = list };
|
|
|
}
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
#region 同步方法
|
|
|
|
|
|
public TEntity QueryById(object objId)
|
|
|
{
|
|
|
return _db.CopyNew().Queryable<TEntity>().In(objId).Single();
|
|
|
}
|
|
|
/// <summary
|
|
|
/// 功能描述:根据ID查询一条数据
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <param name="objId"id（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="blnUseCache"是否使用缓存</param
|
|
|
/// <returns数据实体</returns
|
|
|
public TEntity QueryById(object objId, bool blnUseCache = false)
|
|
|
{
|
|
|
return _db.CopyNew().Queryable<TEntity>().WithCacheIF(blnUseCache).In(objId).Single();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:根据ID查询数据
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <param name="lstIds"id列表（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
|
|
|
/// <returns数据实体列表</returns
|
|
|
public List<TEntity> QueryByIDs(object[] lstIds)
|
|
|
{
|
|
|
return _db.CopyNew().Queryable<TEntity>().In(lstIds).ToList();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 写入实体数据
|
|
|
/// </summary
|
|
|
/// <param name="entity"博文实体类</param
|
|
|
/// <returns</returns
|
|
|
public async Task<int> Add(TEntity entity)
|
|
|
{
|
|
|
//var insert = _db.CopyNew().Insertable(entity);
|
|
|
//return insert.ExecuteReturnIdentity();
|
|
|
try
|
|
|
{
|
|
|
return await _db.Insertable(entity).ExecuteCommandAsync();
|
|
|
}
|
|
|
catch (Exception ex)
|
|
|
{
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary
|
|
|
/// 写入实体数据
|
|
|
/// </summary
|
|
|
/// <param name="entity"实体类</param
|
|
|
/// <param name="insertColumns"指定只插入列</param
|
|
|
/// <returns返回自增量列</returns
|
|
|
public int Add(TEntity entity, Expression<Func<TEntity, object>> insertColumns = null)
|
|
|
{
|
|
|
var insert = _db.CopyNew().Insertable(entity);
|
|
|
if (insertColumns == null)
|
|
|
{
|
|
|
return insert.ExecuteReturnIdentity();
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
return insert.InsertColumns(insertColumns).ExecuteReturnIdentity();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 批量插入实体(速度快)
|
|
|
/// </summary
|
|
|
/// <param name="listEntity"实体集合</param
|
|
|
/// <returns影响行数</returns
|
|
|
public int Add(List<TEntity> listEntity)
|
|
|
{
|
|
|
return _db.CopyNew().Insertable(listEntity.ToArray()).ExecuteCommand();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 更新实体数据
|
|
|
/// </summary
|
|
|
/// <param name="entity"博文实体类</param
|
|
|
/// <returns</returns
|
|
|
public bool Update(TEntity entity)
|
|
|
{
|
|
|
////这种方式会以主键为条件
|
|
|
//var i = Task.Run(() = _db.CopyNew().Updateable(entity).ExecuteCommand());
|
|
|
//return i 0;
|
|
|
//这种方式会以主键为条件
|
|
|
return _db.CopyNew().Updateable(entity).ExecuteCommandHasChange();
|
|
|
}
|
|
|
|
|
|
public bool Update(TEntity entity, string strWhere)
|
|
|
{
|
|
|
//return Task.Run(() = _db.CopyNew().Updateable(entity).Where(strWhere).ExecuteCommand() 0);
|
|
|
return _db.CopyNew().Updateable(entity).Where(strWhere).ExecuteCommandHasChange();
|
|
|
}
|
|
|
|
|
|
public bool Update(string strSql, SugarParameter[] parameters = null)
|
|
|
{
|
|
|
//return Task.Run(() = _db.CopyNew().Ado.ExecuteCommand(strSql, parameters) 0);
|
|
|
return _db.CopyNew().Ado.ExecuteCommand(strSql, parameters) > 0;
|
|
|
}
|
|
|
|
|
|
public bool Update(object operateAnonymousObjects)
|
|
|
{
|
|
|
return _db.CopyNew().Updateable<TEntity>(operateAnonymousObjects).ExecuteCommand() > 0;
|
|
|
}
|
|
|
|
|
|
public bool Update(
|
|
|
TEntity entity,
|
|
|
List<string> lstColumns = null,
|
|
|
List<string> lstIgnoreColumns = null,
|
|
|
string strWhere = ""
|
|
|
)
|
|
|
{
|
|
|
|
|
|
IUpdateable<TEntity> up = _db.CopyNew().Updateable(entity);
|
|
|
if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0)
|
|
|
{
|
|
|
up = up.IgnoreColumns(lstIgnoreColumns.ToArray());
|
|
|
}
|
|
|
if (lstColumns != null && lstColumns.Count > 0)
|
|
|
{
|
|
|
up = up.UpdateColumns(lstColumns.ToArray());
|
|
|
}
|
|
|
if (!string.IsNullOrEmpty(strWhere))
|
|
|
{
|
|
|
up = up.Where(strWhere);
|
|
|
}
|
|
|
return up.ExecuteCommandHasChange();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 根据实体删除一条数据
|
|
|
/// </summary
|
|
|
/// <param name="entity"博文实体类</param
|
|
|
/// <returns</returns
|
|
|
public bool Delete(TEntity entity)
|
|
|
{
|
|
|
//var i = Task.Run(() = _db.CopyNew().Deleteable(entity).ExecuteCommand());
|
|
|
//return i 0;
|
|
|
return _db.CopyNew().Deleteable(entity).ExecuteCommandHasChange();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 删除指定ID的数据
|
|
|
/// </summary
|
|
|
/// <param name="id"主键ID</param
|
|
|
/// <returns</returns
|
|
|
public bool DeleteById(object id)
|
|
|
{
|
|
|
//var i = Task.Run(() = _db.CopyNew().Deleteable<TEntity(id).ExecuteCommand());
|
|
|
//return i 0;
|
|
|
return _db.CopyNew().Deleteable<TEntity>(id).ExecuteCommandHasChange();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 删除指定ID集合的数据(批量删除)
|
|
|
/// </summary
|
|
|
/// <param name="ids"主键ID集合</param
|
|
|
/// <returns</returns
|
|
|
public bool Deletes(List<TEntity> entitys)
|
|
|
{
|
|
|
//var i = Task.Run(() = _db.CopyNew().Deleteable<TEntity().In(ids).ExecuteCommand());
|
|
|
//return i 0;
|
|
|
return _db.CopyNew().Deleteable<TEntity>(entitys).ExecuteCommandHasChange();
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:查询所有数据
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <returns数据列表</returns
|
|
|
public List<TEntity> Query()
|
|
|
{
|
|
|
return _db.CopyNew().Queryable<TEntity>().ToList();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:查询数据列表
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <param name="strWhere"条件</param
|
|
|
/// <returns数据列表</returns
|
|
|
public List<TEntity> Query(string strWhere)
|
|
|
{
|
|
|
//return Task.Run(() = _db.CopyNew().Queryable<TEntity().WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList());
|
|
|
return _db.CopyNew().Queryable<TEntity>().WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:查询数据列表
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <param name="whereExpression"whereExpression</param
|
|
|
/// <returns数据列表</returns
|
|
|
public List<TEntity> Query(Expression<Func<TEntity, bool>> whereExpression)
|
|
|
{
|
|
|
return _db.CopyNew().Queryable<TEntity>().WhereIF(whereExpression != null, whereExpression).ToList();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:按照特定列查询数据列表
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <typeparam name="TResult"</typeparam
|
|
|
/// <param name="expression"</param
|
|
|
/// <returns</returns
|
|
|
public List<TResult> Query<TResult>(Expression<Func<TEntity, TResult>> expression)
|
|
|
{
|
|
|
return _db.CopyNew().Queryable<TEntity>().Select(expression).ToList();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:按照特定列查询数据列表带条件排序
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <typeparam name="TResult"</typeparam
|
|
|
/// <param name="whereExpression"过滤条件</param
|
|
|
/// <param name="expression"查询实体条件</param
|
|
|
/// <param name="strOrderByFileds"排序条件</param
|
|
|
/// <returns</returns
|
|
|
public List<TResult> Query<TResult>(Expression<Func<TEntity, TResult>> expression, Expression<Func<TEntity, bool>> whereExpression, string strOrderByFileds)
|
|
|
{
|
|
|
return _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).Select(expression).ToList();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:查询一个列表
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <param name="whereExpression"条件表达式</param
|
|
|
/// <param name="strOrderByFileds"排序字段，如name asc,age desc</param
|
|
|
/// <returns数据列表</returns
|
|
|
public List<TEntity> Query(Expression<Func<TEntity, bool>> whereExpression, string strOrderByFileds)
|
|
|
{
|
|
|
//return Task.Run(() = _db.CopyNew().Queryable<TEntity().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToList());
|
|
|
return _db.CopyNew().Queryable<TEntity>().WhereIF(whereExpression != null, whereExpression).OrderByIF(strOrderByFileds != null, strOrderByFileds).ToList();
|
|
|
}
|
|
|
/// <summary
|
|
|
/// 功能描述:查询一个列表
|
|
|
/// </summary
|
|
|
/// <param name="whereExpression"</param
|
|
|
/// <param name="orderByExpression"</param
|
|
|
/// <param name="isAsc"</param
|
|
|
/// <returns</returns
|
|
|
public List<TEntity> Query(Expression<Func<TEntity, bool>> whereExpression, Expression<Func<TEntity, object>> orderByExpression, bool isAsc = true)
|
|
|
{
|
|
|
//return Task.Run(() = _db.CopyNew().Queryable<TEntity().OrderByIF(orderByExpression != null, orderByExpression, isAsc ? OrderByType.Asc : OrderByType.Desc).WhereIF(whereExpression != null, whereExpression).ToList());
|
|
|
return _db.CopyNew().Queryable<TEntity>().OrderByIF(orderByExpression != null, orderByExpression, isAsc ? OrderByType.Asc : OrderByType.Desc).WhereIF(whereExpression != null, whereExpression).ToList();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:查询一个列表
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <param name="strWhere"条件</param
|
|
|
/// <param name="strOrderByFileds"排序字段，如name asc,age desc</param
|
|
|
/// <returns数据列表</returns
|
|
|
public List<TEntity> Query(string strWhere, string strOrderByFileds)
|
|
|
{
|
|
|
//return Task.Run(() = _db.CopyNew().Queryable<TEntity().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList());
|
|
|
return _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList();
|
|
|
}
|
|
|
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:查询前N条数据
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <param name="whereExpression"条件表达式</param
|
|
|
/// <param name="intTop"前N条</param
|
|
|
/// <param name="strOrderByFileds"排序字段，如name asc,age desc</param
|
|
|
/// <returns数据列表</returns
|
|
|
public List<TEntity> Query(
|
|
|
Expression<Func<TEntity, bool>> whereExpression,
|
|
|
int intTop,
|
|
|
string strOrderByFileds)
|
|
|
{
|
|
|
//return Task.Run(() = _db.CopyNew().Queryable<TEntity().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).Take(intTop).ToList());
|
|
|
return _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).Take(intTop).ToList();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:查询前N条数据
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <param name="strWhere"条件</param
|
|
|
/// <param name="intTop"前N条</param
|
|
|
/// <param name="strOrderByFileds"排序字段，如name asc,age desc</param
|
|
|
/// <returns数据列表</returns
|
|
|
public List<TEntity> Query(
|
|
|
string strWhere,
|
|
|
int intTop,
|
|
|
string strOrderByFileds)
|
|
|
{
|
|
|
//return Task.Run(() = _db.CopyNew().Queryable<TEntity().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).Take(intTop).ToList());
|
|
|
return _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).Take(intTop).ToList();
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 根据sql语句查询
|
|
|
/// </summary
|
|
|
/// <param name="strSql"完整的sql语句</param
|
|
|
/// <param name="parameters"参数</param
|
|
|
/// <returns泛型集合</returns
|
|
|
public List<TEntity> QuerySql(string strSql, SugarParameter[] parameters = null)
|
|
|
{
|
|
|
return _db.CopyNew().Ado.SqlQuery<TEntity>(strSql, parameters);
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 执行sql语句
|
|
|
/// </summary
|
|
|
/// <param name="strSql"完整的sql语句</param
|
|
|
/// <param name="parameters"参数</param
|
|
|
/// <returns泛型集合</returns
|
|
|
public int ExecSql(string strSql, SugarParameter[] parameters = null)
|
|
|
{
|
|
|
return _db.CopyNew().Ado.ExecuteCommand(strSql, parameters);
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 根据sql语句查询
|
|
|
/// </summary
|
|
|
/// <param name="strSql"完整的sql语句</param
|
|
|
/// <param name="parameters"参数</param
|
|
|
/// <returnsDataTable</returns
|
|
|
public DataTable QueryTable(string strSql, SugarParameter[] parameters = null)
|
|
|
{
|
|
|
return _db.CopyNew().Ado.GetDataTable(strSql, parameters);
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:分页查询
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <param name="whereExpression"条件表达式</param
|
|
|
/// <param name="intPageIndex"页码（下标0）</param
|
|
|
/// <param name="intPageSize"页大小</param
|
|
|
/// <param name="strOrderByFileds"排序字段，如name asc,age desc</param
|
|
|
/// <returns数据列表</returns
|
|
|
public List<TEntity> Query(
|
|
|
Expression<Func<TEntity, bool>> whereExpression,
|
|
|
int intPageIndex,
|
|
|
int intPageSize,
|
|
|
string strOrderByFileds)
|
|
|
{
|
|
|
//return Task.Run(() = _db.CopyNew().Queryable<TEntity().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToPageList(intPageIndex, intPageSize));
|
|
|
return _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToPageList(intPageIndex, intPageSize);
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 功能描述:分页查询
|
|
|
/// 作 者:Admin.Core
|
|
|
/// </summary
|
|
|
/// <param name="strWhere"条件</param
|
|
|
/// <param name="intPageIndex"页码（下标0）</param
|
|
|
/// <param name="intPageSize"页大小</param
|
|
|
/// <param name="strOrderByFileds"排序字段，如name asc,age desc</param
|
|
|
/// <returns数据列表</returns
|
|
|
public List<TEntity> Query(
|
|
|
string strWhere,
|
|
|
int intPageIndex,
|
|
|
int intPageSize,
|
|
|
|
|
|
string strOrderByFileds)
|
|
|
{
|
|
|
//return Task.Run(() = _db.CopyNew().Queryable<TEntity().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToPageList(intPageIndex, intPageSize));
|
|
|
return _db.CopyNew().Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToPageList(intPageIndex, intPageSize);
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary
|
|
|
/// 分页查询[使用版本，其他分页未测试]
|
|
|
/// </summary
|
|
|
/// <param name="whereExpression"条件表达式</param
|
|
|
/// <param name="intPageIndex"页码（下标0）</param
|
|
|
/// <param name="intPageSize"页大小</param
|
|
|
/// <param name="strOrderByFileds"排序字段，如name asc,age desc</param
|
|
|
/// <returns</returns
|
|
|
public PageModel<TEntity> QueryPage(Expression<Func<TEntity, bool>> whereExpression, int intPageIndex = 1, int intPageSize = 20, string strOrderByFileds = null)
|
|
|
{
|
|
|
|
|
|
int totalCount = 0;
|
|
|
var list = _db.CopyNew().Queryable<TEntity>()
|
|
|
.OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds)
|
|
|
.WhereIF(whereExpression != null, whereExpression)
|
|
|
.ToPageList(intPageIndex, intPageSize, ref totalCount);
|
|
|
|
|
|
int pageCount = (Math.Ceiling(totalCount.ObjToDecimal() / intPageSize.ObjToDecimal())).ObjToInt();
|
|
|
return new PageModel<TEntity>() { dataCount = totalCount, pageCount = pageCount, page = intPageIndex, pageSize = intPageSize, data = list };
|
|
|
}
|
|
|
|
|
|
|
|
|
/// <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 _db.CopyNew().Queryable(joinExpression).Select(selectExpression).ToList();
|
|
|
}
|
|
|
return _db.CopyNew().Queryable(joinExpression).Where(whereLambda).Select(selectExpression).ToList();
|
|
|
}
|
|
|
|
|
|
|
|
|
/// <summary
|
|
|
/// 两表联合查询-分页
|
|
|
/// </summary
|
|
|
/// <typeparam name="T"实体1</typeparam
|
|
|
/// <typeparam name="T2"实体1</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="whereExpression"查询表达式</param
|
|
|
/// <param name="intPageIndex"页码</param
|
|
|
/// <param name="intPageSize"页大小</param
|
|
|
/// <param name="strOrderByFileds"排序字段</param
|
|
|
/// <returns</returns
|
|
|
public PageModel<TResult> QueryTabsPage<T, T2, TResult>(
|
|
|
Expression<Func<T, T2, object[]>> joinExpression,
|
|
|
Expression<Func<T, T2, TResult>> selectExpression,
|
|
|
Expression<Func<TResult, bool>> whereExpression,
|
|
|
int intPageIndex = 1,
|
|
|
int intPageSize = 20,
|
|
|
string strOrderByFileds = null)
|
|
|
{
|
|
|
|
|
|
int totalCount = 0;
|
|
|
var list = _db.CopyNew().Queryable<T, T2>(joinExpression)
|
|
|
.Select(selectExpression)
|
|
|
.OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds)
|
|
|
.WhereIF(whereExpression != null, whereExpression)
|
|
|
.ToPageList(intPageIndex, intPageSize, ref totalCount);
|
|
|
int pageCount = (Math.Ceiling(totalCount.ObjToDecimal() / intPageSize.ObjToDecimal())).ObjToInt();
|
|
|
return new PageModel<TResult>() { dataCount = totalCount, pageCount = pageCount, page = intPageIndex, pageSize = intPageSize, data = list };
|
|
|
}
|
|
|
|
|
|
/// <summary
|
|
|
/// 两表联合查询-分页-分组
|
|
|
/// </summary
|
|
|
/// <typeparam name="T"实体1</typeparam
|
|
|
/// <typeparam name="T2"实体1</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="whereExpression"查询表达式</param
|
|
|
/// <param name="intPageIndex"页码</param
|
|
|
/// <param name="intPageSize"页大小</param
|
|
|
/// <param name="strOrderByFileds"排序字段</param
|
|
|
/// <returns</returns
|
|
|
public PageModel<TResult> QueryTabsPage<T, T2, TResult>(
|
|
|
Expression<Func<T, T2, object[]>> joinExpression,
|
|
|
Expression<Func<T, T2, TResult>> selectExpression,
|
|
|
Expression<Func<TResult, bool>> whereExpression,
|
|
|
Expression<Func<T, object>> groupExpression,
|
|
|
int intPageIndex = 1,
|
|
|
int intPageSize = 20,
|
|
|
string strOrderByFileds = null)
|
|
|
{
|
|
|
|
|
|
int totalCount = 0;
|
|
|
var list = _db.CopyNew().Queryable<T, T2>(joinExpression).GroupBy(groupExpression)
|
|
|
.Select(selectExpression)
|
|
|
.OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds)
|
|
|
.WhereIF(whereExpression != null, whereExpression)
|
|
|
.ToPageList(intPageIndex, intPageSize,ref totalCount);
|
|
|
int pageCount = (Math.Ceiling(totalCount.ObjToDecimal() / intPageSize.ObjToDecimal())).ObjToInt();
|
|
|
return new PageModel<TResult>() { dataCount = totalCount, pageCount = pageCount, page = intPageIndex, pageSize = intPageSize, data = list };
|
|
|
}
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|