/// <summary>
/// 批量新增
/// </summary>
/// <param name="listentity"></param>
/// <returns></returns>
public async Task <bool> AddRangeEntityAsync(List <Category> listentity)
{
_context.AttachRange(listentity);
await _context.AddRangeAsync(listentity);
return(await _context.SaveChangesAsync() > 0);
}
