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BaseRepository.cs
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using Blog.Core.IRepository.Base;
using Blog.Core.Model;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;
namespace Blog.Core.Repository.Base
{
public class BaseRepository<TEntity> : IBaseRepository<TEntity> where TEntity : class, new()
{
private DbContext context;
private SqlSugarClient db;
private SimpleClient<TEntity> entityDB;
public DbContext Context
{
get { return context; }
set { context = value; }
}
internal SqlSugarClient Db
{
get { return db; }
private set { db = value; }
}
internal SimpleClient<TEntity> EntityDB
{
get { return entityDB; }
private set { entityDB = value; }
}
public BaseRepository()
{
DbContext.Init(BaseDBConfig.ConnectionString);
context = DbContext.GetDbContext();
db = context.Db;
entityDB = context.GetEntityDB<TEntity>(db);
}
public async Task<TEntity> QueryByID(object objId)
{
return await Task.Run(() => db.Queryable<TEntity>().InSingle(objId));
}
/// <summary>
/// 功能描述:根据ID查询一条数据
/// 作 者:Blog.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 async Task<TEntity> QueryByID(object objId, bool blnUseCache = false)
{
return await Task.Run(() => db.Queryable<TEntity>().WithCacheIF(blnUseCache).InSingle(objId));
}
/// <summary>
/// 功能描述:根据ID查询数据
/// 作 者:Blog.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 async Task<List<TEntity>> QueryByIDs(object[] lstIds)
{
return await Task.Run(() => db.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 i = await Task.Run(() => db.Insertable(entity).ExecuteReturnBigIdentity());
//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
return (int)i;
}
/// <summary>
/// 更新实体数据
/// </summary>
/// <param name="entity">博文实体类</param>
/// <returns></returns>
public async Task<bool> Update(TEntity entity)
{
//这种方式会以主键为条件
var i = await Task.Run(() => db.Updateable(entity).ExecuteCommand());
return i > 0;
}
public async Task<bool> Update(TEntity entity, string strWhere)
{
return await Task.Run(() => db.Updateable(entity).Where(strWhere).ExecuteCommand() > 0);
}
public async Task<bool> Update(string strSql, SugarParameter[] parameters = null)
{
return await Task.Run(() => db.Ado.ExecuteCommand(strSql, parameters) > 0);
}
public async Task<bool> Update(
TEntity entity,
List<string> lstColumns = null,
List<string> lstIgnoreColumns = null,
string strWhere = ""
)
{
IUpdateable<TEntity> up = await Task.Run(() => db.Updateable(entity));
if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0)
{
up = await Task.Run(() => up.IgnoreColumns(it => lstIgnoreColumns.Contains(it)));
}
if (lstColumns != null && lstColumns.Count > 0)
{
up = await Task.Run(() => up.UpdateColumns(it => lstColumns.Contains(it)));
}
if (!string.IsNullOrEmpty(strWhere))
{
up = await Task.Run(() => up.Where(strWhere));
}
return await Task.Run(() => up.ExecuteCommand()) > 0;
}
/// <summary>
/// 根据实体删除一条数据
/// </summary>
/// <param name="entity">博文实体类</param>
/// <returns></returns>
public async Task<bool> Delete(TEntity entity)
{
var i = await Task.Run(() => db.Deleteable(entity).ExecuteCommand());
return i > 0;
}
/// <summary>
/// 删除指定ID的数据
/// </summary>
/// <param name="id">主键ID</param>
/// <returns></returns>
public async Task<bool> DeleteById(object id)
{
var i = await Task.Run(() => db.Deleteable<TEntity>(id).ExecuteCommand());
return i > 0;
}
/// <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 async Task<bool> DeleteByIds(object[] ids)
{
var i = await Task.Run(() => db.Deleteable<TEntity>().In(ids).ExecuteCommand());
return i > 0;
}
/// <summary>
/// 功能描述:查询所有数据
/// 作 者:Blog.Core
/// </summary>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query()
{
return await Task.Run(() => entityDB.GetList());
}
/// <summary>
/// 功能描述:查询数据列表
/// 作 者:Blog.Core
/// </summary>
/// <param name="strWhere">条件</param>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query(string strWhere)
{
return await Task.Run(() => db.Queryable<TEntity>().WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList());
}
/// <summary>
/// 功能描述:查询数据列表
/// 作 者:Blog.Core
/// </summary>
/// <param name="whereExpression">whereExpression</param>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query(Expression<Func<TEntity, bool>> whereExpression)
{
return await Task.Run(() => entityDB.GetList(whereExpression));
}
/// <summary>
/// 功能描述:查询一个列表
/// 作 者:Blog.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 async Task<List<TEntity>> Query(Expression<Func<TEntity, bool>> whereExpression, string strOrderByFileds)
{
return await Task.Run(() => db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).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 async Task<List<TEntity>> Query(Expression<Func<TEntity, bool>> whereExpression, Expression<Func<TEntity, object>> orderByExpression, bool isAsc = true)
{
return await Task.Run(() => db.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:Blog.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 async Task<List<TEntity>> Query(string strWhere, string strOrderByFileds)
{
return await Task.Run(() => db.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:Blog.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 async Task<List<TEntity>> Query(
Expression<Func<TEntity, bool>> whereExpression,
int intTop,
string strOrderByFileds)
{
return await Task.Run(() => db.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:Blog.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>> Query(
string strWhere,
int intTop,
string strOrderByFileds)
{
return await Task.Run(() => db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).Take(intTop).ToList());
}
/// <summary>
/// 功能描述:分页查询
/// 作 者:Blog.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="intTotalCount">数据总量</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>> Query(
Expression<Func<TEntity, bool>> whereExpression,
int intPageIndex,
int intPageSize,
string strOrderByFileds)
{
return await Task.Run(() => db.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:Blog.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="intTotalCount">数据总量</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>> Query(
string strWhere,
int intPageIndex,
int intPageSize,
string strOrderByFileds)
{
return await Task.Run(() => db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToPageList(intPageIndex, intPageSize));
}
public async Task<List<TEntity>> QueryPage(Expression<Func<TEntity, bool>> whereExpression,
int intPageIndex = 0, int intPageSize = 20, string strOrderByFileds = null)
{
return await Task.Run(() => db.Queryable<TEntity>()
.OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds)
.WhereIF(whereExpression != null, whereExpression)
.ToPageList(intPageIndex, intPageSize));
}
}
}