70 lines
1.7 KiB
C#
70 lines
1.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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namespace CC.Yi.IDAL
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{
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public interface IBaseDal<T> where T : class, new()
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{
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#region
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//得到全部实体
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#endregion
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IQueryable<T> GetAllEntities();
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#region
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//通过表达式得到实体
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#endregion
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IQueryable<T> GetEntities(Expression<Func<T, bool>> whereLambda);
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#region
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//通过表达式得到实体，分页版本
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#endregion
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IQueryable<T> GetPageEntities<S>(int pageSize, int pageIndex, out int total, Expression<Func<T, bool>> whereLambda, Expression<Func<T, S>> orderByLambda, bool isAsc);
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#region
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//通过表达式统计数量
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#endregion
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int GetCount(Expression<Func<T, bool>> whereLambda);
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#region
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//通过表达式分组
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#endregion
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IQueryable<IGrouping<S, T>> GetGroup<S>(Expression<Func<T, bool>> whereLambda, Expression<Func<T, S>> groupByLambda);
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#region
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//添加单个实体
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#endregion
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T Add(T entity);
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#region
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//添加多个实体
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#endregion
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bool AddRange(IEnumerable<T> entities);
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#region
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//更新单个实体
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#endregion
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bool Update(T entity);
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#region
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//更新单个实体部分属性
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#endregion
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bool Update(T entity, params string[] propertyNames);
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#region
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//删除单个实体
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#endregion
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bool Delete(T entity);
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#region
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//通过id删除实体
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#endregion
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bool Detete(int id);
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#region
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//删除多个实体
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#endregion
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bool DeteteRange(IEnumerable<T> entity);
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}
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}
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