459 lines
20 KiB
C#
459 lines
20 KiB
C#
using New_College.Common;
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using New_College.Common.DB;
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using New_College.IRepository.Base;
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using New_College.IRepository.UnitOfWork;
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using New_College.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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namespace New_College.Repository.Base
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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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internal 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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public async Task<TEntity> QueryById(object objId)
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{
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//return await Task.Run(() => _db.Queryable<TEntity>().InSingle(objId));
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return await _db.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:New_College
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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> QueryById(object objId, bool blnUseCache = false)
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{
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//return await Task.Run(() => _db.Queryable<TEntity>().WithCacheIF(blnUseCache).InSingle(objId));
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return await _db.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:New_College
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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>> QueryByIDs(object[] lstIds)
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{
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//return await Task.Run(() => _db.Queryable<TEntity>().In(lstIds).ToList());
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return await _db.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> Add(TEntity entity)
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{
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//var i = await Task.Run(() => _db.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.Insertable(entity);
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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> Add(TEntity entity, Expression<Func<TEntity, object>> insertColumns = null)
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{
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var insert = _db.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> Add(List<TEntity> listEntity)
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{
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return await _db.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> Update(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.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.Updateable(entity).ExecuteCommandHasChangeAsync();
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}
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public async Task<bool> Update(TEntity entity, string strWhere)
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{
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//return await Task.Run(() => _db.Updateable(entity).Where(strWhere).ExecuteCommand() > 0);
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return await _db.Updateable(entity).Where(strWhere).ExecuteCommandHasChangeAsync();
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}
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public async Task<bool> Update(string strSql, SugarParameter[] parameters = null)
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{
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//return await Task.Run(() => _db.Ado.ExecuteCommand(strSql, parameters) > 0);
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return await _db.Ado.ExecuteCommandAsync(strSql, parameters) > 0;
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}
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public async Task<bool> Update(object operateAnonymousObjects)
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{
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return await _db.Updateable<TEntity>(operateAnonymousObjects).ExecuteCommandAsync() > 0;
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}
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public async Task<bool> Update(
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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.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.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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/// 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> Delete(TEntity entity)
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{
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//var i = await Task.Run(() => _db.Deleteable(entity).ExecuteCommand());
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//return i > 0;
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return await _db.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> DeleteById(object id)
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{
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//var i = await Task.Run(() => _db.Deleteable<TEntity>(id).ExecuteCommand());
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//return i > 0;
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return await _db.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> DeleteByIds(object[] ids)
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{
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//var i = await Task.Run(() => _db.Deleteable<TEntity>().In(ids).ExecuteCommand());
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//return i > 0;
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return await _db.Deleteable<TEntity>().In(ids).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:New_College
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/// </summary>
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/// <returns>数据列表</returns>
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public async Task<List<TEntity>> Query()
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{
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return await _db.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:New_College
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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>> Query(string strWhere)
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{
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//return await Task.Run(() => _db.Queryable<TEntity>().WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList());
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return await _db.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:New_College
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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>> Query(Expression<Func<TEntity, bool>> whereExpression)
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{
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return await _db.Queryable<TEntity>().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:New_College
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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>> Query(Expression<Func<TEntity, bool>> whereExpression, string strOrderByFileds)
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{
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//return await Task.Run(() => _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToList());
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return await _db.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>> Query(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.Queryable<TEntity>().OrderByIF(orderByExpression != null, orderByExpression, isAsc ? OrderByType.Asc : OrderByType.Desc).WhereIF(whereExpression != null, whereExpression).ToList());
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return await _db.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:New_College
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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>> Query(string strWhere, string strOrderByFileds)
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{
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//return await Task.Run(() => _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList());
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return await _db.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:New_College
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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>> Query(
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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.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).Take(intTop).ToList());
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return await _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).Take(intTop).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:New_College
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/// </summary>
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/// <param name="strWhere">条件</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>> Query(
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string strWhere,
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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.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).Take(intTop).ToList());
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return await _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).Take(intTop).ToListAsync();
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}
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/// <summary>
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/// 根据sql语句查询
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/// </summary>
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/// <param name="strSql">完整的sql语句</param>
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/// <param name="parameters">参数</param>
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/// <returns>泛型集合</returns>
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public async Task<List<TEntity>> QuerySql(string strSql, SugarParameter[] parameters = null)
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{
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return await _db.Ado.SqlQueryAsync<TEntity>(strSql, parameters);
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}
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/// <summary>
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/// 根据sql语句查询
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/// </summary>
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/// <param name="strSql">完整的sql语句</param>
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/// <param name="parameters">参数</param>
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/// <returns>DataTable</returns>
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public async Task<DataTable> QueryTable(string strSql, SugarParameter[] parameters = null)
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{
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return await _db.Ado.GetDataTableAsync(strSql, parameters);
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}
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/// <summary>
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/// 功能描述:分页查询
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/// 作 者:New_College
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/// </summary>
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/// <param name="whereExpression">条件表达式</param>
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/// <param name="intPageIndex">页码（下标0）</param>
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/// <param name="intPageSize">页大小</param>
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/// <param name="intTotalCount">数据总量</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>> Query(
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Expression<Func<TEntity, bool>> whereExpression,
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int intPageIndex,
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int intPageSize,
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string strOrderByFileds)
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{
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//return await Task.Run(() => _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToPageList(intPageIndex, intPageSize));
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return await _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToPageListAsync(intPageIndex, intPageSize);
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}
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/// <summary>
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/// 功能描述:分页查询
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/// 作 者:New_College
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/// </summary>
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/// <param name="strWhere">条件</param>
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/// <param name="intPageIndex">页码（下标0）</param>
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/// <param name="intPageSize">页大小</param>
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/// <param name="intTotalCount">数据总量</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>> Query(
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string strWhere,
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int intPageIndex,
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int intPageSize,
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string strOrderByFileds)
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{
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//return await Task.Run(() => _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToPageList(intPageIndex, intPageSize));
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return await _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToPageListAsync(intPageIndex, intPageSize);
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}
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/// <summary>
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/// 分页查询[使用版本，其他分页未测试]
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/// </summary>
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/// <param name="whereExpression">条件表达式</param>
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/// <param name="intPageIndex">页码（下标0）</param>
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/// <param name="intPageSize">页大小</param>
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/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
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/// <returns></returns>
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public async Task<PageModel<TEntity>> QueryPage(Expression<Func<TEntity, bool>> whereExpression, int intPageIndex = 1, int intPageSize = 20, string strOrderByFileds = null)
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{
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RefAsync<int> totalCount = 0;
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var list = await _db.Queryable<TEntity>()
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.WhereIF(whereExpression != null, whereExpression)
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.OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds)
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.ToPageListAsync(intPageIndex, intPageSize, totalCount);
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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>> 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 await _db.Queryable(joinExpression).Select(selectExpression).ToListAsync();
|
||
}
|
||
return await _db.Queryable(joinExpression).Where(whereLambda).Select(selectExpression).ToListAsync();
|
||
}
|
||
|
||
}
|
||
|
||
}
|