SQLServer 存储过程+定时任务发邮件

ALTER PROCEDURE [dbo].[LogErrorEmail]
 
AS
declare @emailcontent nvarchar(2000);--邮件内容
declare @emailsubject nvarchar(200);--邮件主题
declare @emailadress nvarchar(100);--邮件发送地址
declare @error int;                   --错误数
declare @logfield nvarchar(max);       --日志字段内容
declare @num int;                  --数据行数     
 
     set @error=0;
     set @emailcontent='日期:'+convert(varchar(10),getdate(),120)+'<br>';
 
       --tt1_log表检查
     select  @num=COUNT(*)  from tt1_log where DATEDIFF(DD,t1_log.LOGDATE,getdate())<2
     if(@num=2)
         begin
           select @logfield=LOG_FIELD from  t1_log where DATEDIFF(DD,t1_log.LOGDATE,getdate())=0 --今天的数据
           if(@logfield like '%error%')
               begin
               set @emailcontent=@emailcontent+'t1_log今天有错;' ;
               set @error=@error+1;
               end 
           select @logfield=LOG_FIELD from  t1_log where DATEDIFF(DD,t1_log.LOGDATE,getdate())=1 --昨天的数据
           if(@logfield like '%error%')
               begin
               set @emailcontent=@emailcontent+'t1_log昨天有错;' ;
               set @error=@error+1;
               end
         end
     else
         begin
            set @emailcontent=@emailcontent+'t1_log表数据不足两条;';
            set @error=@error+1;
         end


     

    

    --t2_log表检查
     select  @num= COUNT(*)  from t2_log where DATEDIFF(DD,t2_log.LOGDATE,getdate())<2
     if(@num=2)
         begin
           select @logfield=LOG_FIELD from  t2_log where DATEDIFF(DD,t2_log.LOGDATE,getdate())=0 --今天的数据
           if(@logfield like '%error%')
               begin
               set @emailcontent=@emailcontent+'t2_log今天有错;' ;
               set @error=@error+1;
               end 
           select @logfield=LOG_FIELD from  t2_log where DATEDIFF(DD,t2_log.LOGDATE,getdate())=1 --昨天的数据
           if(@logfield like '%error%')
               begin
               set @emailcontent=@emailcontent+'t2_log昨天有错;' ;
               set @error=@error+1;
               end
         end
     else
         begin
            set @emailcontent=@emailcontent+'t2_log表数据不足两条;';
            set @error=@error+1;
         end
     
    if(@error>0)
        begin
             exec msdb.dbo.sp_send_dbmail
            @profile_name ='LogErrorEmail',--配置文件名称
            @recipients='56789023@qq.com',--收件email地址
            @subject=@emailsubject,--邮件主题
            @body=@emailcontent,  --邮件正文内容
            @body_format='html'  --邮件内容格式
        end