这是有史以来最艰难的一次提交，不生则死！

OpenAuth.Repository/Interface/IRepository.cs

@@ -0,0 +1,62 @@
+// ***********************************************************************
+// Assembly         : OpenAuth.Domain
+// Author           : yubaolee
+// Created          : 10-25-2015
+//
+// Last Modified By : yubaolee
+// Last Modified On : 10-25-2015
+// ***********************************************************************
+// <copyright file="IRepository.cs" company="www.cnblogs.com/yubaolee">
+//     Copyright (c) www.cnblogs.com/yubaolee. All rights reserved.
+// </copyright>
+// <summary>仓储接口</summary>
+// ***********************************************************************
+
+using System;
+using System.Linq;
+using System.Linq.Expressions;
+
+namespace OpenAuth.Domain.Interface
+{
+    public interface IRepository<T> where T : class
+    {
+        T FindSingle(Expression<Func<T, bool>> exp = null);
+        bool IsExist(Expression<Func<T, bool>> exp);
+        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);
+
+        void Delete(T entity);
+
+        /// <summary>
+        /// 按指定的ID进行批量更新
+        /// </summary>
+        void Update(Expression<Func<T, object>> identityExp, 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);
+        /// <summary>
+        /// 批量删除
+        /// </summary>
+        void Delete(Expression<Func<T, bool>> exp);
+
+        void Save();
+    }
+}