彭传飞
authored
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// ***********************************************************************
// <summary>仓储接口</summary>
// ***********************************************************************
using System;
using System.Linq;
using System.Linq.Expressions;
namespace WebRepository
{
public interface IRepository<T> where T : SysEntity
{
LoginInfo _loginInfo { get; set; }
bool IsExist(Expression<Func<T, bool>> exp);
T FindSingle(Expression<Func<T, bool>> exp = null);
IQueryable<T> Find(Expression<Func<T, bool>> exp = null);
IQueryable<T> Find(int pageindex = 1, int pagesize = 10, string orderby = "",
Expression<Func<T, bool>> exp = null);
int GetCount(Expression<Func<T, bool>> exp = null);
void Add(T entity);
void BatchAdd(T[] entities);
/// <summary>
/// 更新一个实体的所有属性
/// </summary>
void Update(T entity);
/// <summary>
/// 应对同一主键多次操作
/// </summary>
/// <param name="entity"></param>
void UpdateByTracking(T entity);
/// <summary>
/// 实现按需要只更新部分更新
/// <para>如：Update(u =>u.Id==1,u =>new User{Name="ok"});</para>
/// </summary>
/// <param name="where">更新条件</param>
/// <param name="entity">更新后的实体</param>
void Update(Expression<Func<T, bool>> where, Expression<Func<T, T>> entity);
void Delete(T entity);
/// <summary>
/// 应对同一主键多次操作
/// </summary>
/// <param name="entity"></param>
void DeleteByTracking(T entity);
/// <summary>
/// 批量删除
/// </summary>
void Delete(Expression<Func<T, bool>> exp);
void Save();
int ExecuteSql(string sql);
TableData Load(PageReq pageRequest, T entity);
TableData ExportData(T entity);
void GetData(IQueryable<T> data, TableData result, PageReq pageRequest = null);
/// <summary>
/// 获取任务号
/// </summary>
/// <param name="TaskType">TaskType.</param>
/// <param name="SeqLength">长度.</param>
string GetTaskNo(string TaskType, int SeqLength = 4);
}
}
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