有关更多详细信息,请参阅this article,尤其是如何注册拦截器.

class TrimCommandInterceptor: IDbCommandInterceptor
{
  public void NonQueryExecuting(DbCommand command,DbCommandInterceptionContext<int> ctx)
  {
    foreach (var p in command.Parameters)
    {
       if (p.Value is string)
         p.Value = ((string) p.Value).Trim();
    }
  }

  // Add all the other interceptor methods
}