1  public interface IRepository<T> where T:class 2     { 3         //增加 4         T Add(T entity); 5         //更新 6         bool Update(T entity); 7         //删除 8         bool Delete(T entity); 9         //检查名字是否为空10         bool CheckNameIsEmpty(Expression<Func<T, bool>> whereLambda);11         //检查名字是否存在12         bool CheckNameExist(Expression<Func<T, bool>> whereLambda);13         //判断其他输入项是否都符合要求14         bool Check(Expression<Func<T, bool>> whereLambda);15         //保存16         //void Save();17         //统计18         int Count(Expression<Func<T, bool>> predicate);19         //强制类型转换列表20         List<T> ToList();21         //查找22         T Find(Expression<Func<T, bool>> whereLambda);23         //条件查找24         IQueryable<T> FindList(Expression<Func<T, bool>> whereLamba, string orderName, bool isAsc);25         //条件查找26         IQueryable<T> FindList<S>(Expression<Func<T, bool>> whereLambda, bool isAsc,27             Expression<Func<T, S>> orderLamba);28         //条件查找29 30         IQueryable<T> FindPageList<S>(int pageIndex, int pageSize, out int totalRecordCnt,31             Expression<Func<T, bool>> whereLamdba, bool isAsc, Expression<Func<T, S>> orderLambda);32 33     }