增加mysql支持

OpenAuth.Domain/Interface/IRepository.cs

@@ -21,7 +21,7 @@ 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 = "",
@@ -31,6 +31,8 @@ namespace OpenAuth.Domain.Interface
 
         void Add(T entity);
 
+        void BatchAdd(T[] entities);
+
         /// <summary>
         /// 更新一个实体的所有属性
         /// </summary>
@@ -39,10 +41,17 @@ namespace OpenAuth.Domain.Interface
         void Delete(T entity);
 
         /// <summary>
-        /// 批量更新
+        /// 按指定的ID进行批量更新
         /// </summary>
-        void Update(Expression<Func<T, object>> exp, T entity);
+        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>