B2B购物网站搭建--后台 1.项目框架_IDAL

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace IDAL
{
public interface IBaseDal<T> where T : class,new()
{
IQueryable<T> LoadEntities(System.Linq.Expressions.Expression<Func<T, bool>> whereLambda);

IQueryable<T> LoadPageEntities<s>(int pageIndex, int pageSize, out int totalCount, System.Linq.Expressions.Expression<Func<T, bool>> whereLambda, System.Linq.Expressions.Expression<Func<T, s>> orderbyLambda, bool isAsc);
bool DeleteEntity(T entity);
bool EditEntity(T entity);
T AddEntity(T entity);
}
}

///////////////////////////////////////////////////////////////////////////////////////////////////

using System;
using System.Collections.Generic;
using System.Linq;
using System.Data.Entity;
using System.Text;
using System.Threading.Tasks;

namespace IDAL
{
/// <summary>
/// 业务层调用的是数据会话层的接口。
/// </summary>
public partial interface IDBSession
{
DbContext Db { get; }
bool SaveChanges();
}
}