Example #1
0
 /// <summary>
 /// 根据id删除实体
 /// </summary>
 /// <typeparam name="TEntity"></typeparam>
 /// <typeparam name="T"></typeparam>
 /// <param name="id"></param>
 public static void DeleteEntry <TEntity, T>(T id) where TEntity : class
 {
     using (BaseContext _db = new BaseContext())
     {
         TEntity entity = _db.Set <TEntity>().Find(id);
         _db.Set <TEntity>().Attach(entity);
         _db.Set <TEntity>().Remove(entity);
         _db.SaveChanges();
     }
 }
Example #2
0
        public static int UpdateEntryByProperty <T>(this BaseContext _db, T entity, string EntityKey) where T : class
        {
            DbSet <T> dbSet = _db.Set <T>();

            dbSet.Attach(entity);
            MemberInfo[]             members    = entity.GetType().GetMembers();
            IEnumerable <MemberInfo> properties = members.Where(m => m.MemberType == MemberTypes.Property && m.Name != EntityKey);

            foreach (MemberInfo mInfo in properties)
            {
                object o = entity.GetType().InvokeMember(mInfo.Name, BindingFlags.GetProperty, null, entity, null);
                if (o != null)
                {
                    if (o.GetType().IsPrimitive || o.GetType().IsPublic)
                    {
                        try
                        {
                            DbEntityEntry entry = _db.Entry <T>(entity);
                            entry.Property(mInfo.Name).IsModified = true;
                        }
                        catch
                        {
                        }
                    }
                }
            }

            return(_db.SaveChanges());
        }
Example #3
0
 /// <summary>
 /// 获取单个实体
 /// </summary>
 /// <typeparam name="TEntity"></typeparam>
 /// <typeparam name="T"></typeparam>
 /// <param name="id"></param>
 /// <returns></returns>
 public static TEntity getEntryById <TEntity, T>(T id) where TEntity : class
 {
     using (BaseContext _db = new BaseContext())
     {
         return(_db.Set <TEntity>().Find(id));
     }
 }
Example #4
0
 public static bool AddModel <TEntity>(List <TEntity> entry) where TEntity : class
 {
     using (BaseContext _db = new BaseContext())
     {
         _db.Set <TEntity>().AddRange(entry);
         _db.SaveChanges();
         return(true);
     }
 }
Example #5
0
 public static TEntity AddModel <TEntity>(TEntity entry) where TEntity : class
 {
     using (BaseContext _db = new BaseContext())
     {
         _db.Set <TEntity>().Add(entry);
         _db.SaveChanges();
         return(entry);
     }
 }