添加项目文件。

2026-07-14 13:55:17 +08:00
parent 63759495f2
commit 8bbdf78731
335 changed files with 81415 additions and 0 deletions
@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+
+namespace JY.DAL.Service
+{
+    public interface IService<T> where T : class, new()
+    {
+        T GetById(object id);
+
+        T GetSingle(Expression<Func<T, bool>> predicate);
+
+        List<T> GetList();
+
+        List<T> GetList(Expression<Func<T, bool>> predicate);
+
+        List<T> GetListPaged(int pageIndex, int pageSize, out int totalCount, Expression<Func<T, bool>> predicate = null, string orderBy = null);
+
+        int Insert(T entity);
+
+        int Insert(List<T> entities);
+
+        int Update(T entity);
+
+        int Update(T entity, Expression<Func<T, bool>> whereExpression);
+
+        int Update(Expression<Func<T, T>> columns, Expression<Func<T, bool>> whereExpression);
+
+        int Delete(object id);
+
+        int Delete(Expression<Func<T, bool>> predicate);
+
+        int Delete(List<T> entities);
+
+        bool Any(Expression<Func<T, bool>> predicate);
+
+        int Count(Expression<Func<T, bool>> predicate = null);
+    }
+}