///<sumary>
 ///添加信息
 ///时间:2010-11-1 11:56:35
 ///</sumary>
 public static Boolean AddRate(Rate rate)
 {
     try
     {
         return(rateService.AddRate(rate));
     }
     catch (Exception ex)
     {
         //可以记录到异常日志
         return(false);
     }
 }