• 游标实例


    今天写了一个游标,但是不知道怎么在这游标里定义一个变量来记录执行时影响条数,并插入两条数据时就跳出循环结束游标。

    没有想出辙,实属头疼。附代码如下:

    --游标
    declare @userID uniqueidentifier--userid
    declare y_curr cursor for
    select top 2 userID from Hope_Users_db.dbo.u_Users order by addTime desc
    
    open y_curr --打开游标
    fetch next from y_curr into @userID ----开始循环游标变量
    while(@@fetch_status=0)---返回被FETCH  语句执行的最后游标的状态,而不是任何当前被连接打开的游标的状态。
    begin
    	   if exists (select * from Q_enterprise where userID = @userID)
    		  begin
    		     print @userID
    		  end
    		else
    		  begin
    			   print @userID
    			   insert into Q_enterprise
    			   select distinct u.userID, u.userType,u.SyncCharityId as CharityId,u.userTrueName,u.userLogo,0 as donationAmount,e.enterpriseContactMobile,
    			   e.enterprisePurpose,0 as enterpriseLongitude,0 as enterpriseLatitude,'' as Infoproportion,0 as sharesum,0 as praisesum,
    			   0 as Donationsum,0 as Farvritessum,0 as Donationsum30,u.addTime,'' as updatetime
    			   from Hope_Users_db.dbo.u_Users u
    			   inner join Hope_Donation_DB.dbo.d_Donation d
    			   on u.userID=d.userID
    			   inner join Hope_Users_db.dbo.u_Enterprise e
    			   on u.userID = e.userID
    			   where u.userID=@userID
    		  end
          fetch next from y_curr into @userID --开始循环游标变量
    end
    close y_curr--关闭游标
    deallocate y_curr --释放游标
    go
    

    游标实例二:循环读取数据表并进行各种计算并添加数据到临时表,结果输出临时表

    USE [CenterDB]
    GO
    
    /****** Object:  StoredProcedure [dbo].[Pro_GetSalary]    Script Date: 2017/5/23 9:26:30 ******/
    SET ANSI_NULLS ON
    GO
    
    SET QUOTED_IDENTIFIER ON
    GO
    
    
    --读取工单详细,并计算每个工单机长的提成
    ALTER PROCEDURE [dbo].[Pro_GetSalary]
       (@sTime nvarchar(255),--查询工单EndTime的开始时间节点
        @eTime nvarchar(255),--查询工单EndTime的结束时间节点
        @pageIndex int,--开始页码
        @pageSize int, --结束页码
        @recordCount int output --总记录数
        )
    AS
    BEGIN
        declare
        @FinishEName nvarchar(40),--操作人名称
        @DevName varchar(100),--设备名称
        @PrtTotalPageCount int,--单手印数
        @PrtSumCount2 int,--总印数
        @EndTime DateTime,--结束时间
        @ProductName varchar(1202),--印件名称
        @knifeCount float,--刀数
        @KnifeMoney float,--切刀的提成
        @setCount float, --套数
        @setMoney float,--印数的提成
        @kaiDu nvarchar(255), --开度
        @baiNumber int, --百位数字
        @PrtPCount int, --正数(名片张数)
        @DevGroupName nvarchar(255),--机组
        @boxNumber int,--名片盒数
        @ShouShu varchar(50),--手数
        @MPStyle varchar(50),--拼版方式
        @strSql nvarchar(max), --拼接sql
        @startNumber int,--开始页码
        @endNumber int --结束页码
        
        --BEGIN TRAN --声明工单事务
        set @strSql = 'declare pNumber_cursor CURSOR FOR '
        set @strSql = @strSql + ' select A.FinishEName,A.DevName,A.PrtTotalPageCount,A.PrtSumCount2,A.EndTime,A.ProductName,A.PrtPCount,A.ShouShu,A.MPStyle,B.DevGroupName,B.KaiDu';
        set @strSql = @strSql +' from QuePlanArrage as A  inner join DevGroup B on A.DevName = B.DevName where 1=1';
        if @sTime != '' and @eTime != ''
           begin
             set @strSql = @strSql +' and A.EndTime between cast('''+@sTime+' 00:00:00.000'' as datetime) and cast('''+@eTime+' 23:59:59.999'' as datetime)';
           end
        if @sTime != '' and @eTime = ''
           begin
             set @strSql = @strSql +' and A.EndTime >= cast('''+@sTime+' 00:00:00.000'' as datetime)';
           end
        if @sTime = '' and @eTime != ''
           begin
             set @strSql = @strSql +' and A.EndTime <= cast('''+@eTime+' 23:59:59.999'' as datetime)';
           end
        set @strSql = @strSql + ' and  A.State=13 and (A.JobID=''9'' or A.JobID=''10'') Order by A.DevName,A.ID' ;
        
        EXEC sp_executesql @strSql
    
        --新建临时表
        if object_id(N'##SalaryInfo',N'U') is not null
         begin
          drop table ##SalaryInfo
         end
        create table ##SalaryInfo
                  (
                    ID int identity(1,1),
                    FinishEName nvarchar(40),
                    DevName varchar(100) null,
                    PrtTotalPageCount int,
                    PrtSumCount2 int,
                    EndTime DateTime,
                    ProductName varchar(1202),
                    SetNumber int,
                    KnifeMoney Decimal(12,1),
                    setMoney Decimal(12,1),
                    Salary Decimal(12,1)
                  )
        
        --打开游标
        open pNumber_cursor
         WHILE @@FETCH_STATUS = 0 --返回被FETCH语句执行的最后游标的状态,而不是任何当前被连接打开的游标的状态。
          begin
           --开始循环游标变量
           FETCH NEXT FROM pNumber_cursor INTO @FinishEName,@DevName,@PrtTotalPageCount,@PrtSumCount2,@EndTime,@ProductName,@PrtPCount,@ShouShu,@MPStyle,@DevGroupName,@KaiDu
           if @DevName!=null or @DevName != ''--说明当前行有数据
            begin
           --执行sql操作
                --计算总印数结束
                --根据总印数计算套数开始
                set @baiNumber = @PrtSumCount2/100%10;
                if @baiNumber <2
                    begin
                     set @PrtSumCount2 = cast((cast(@PrtSumCount2/1000 as varchar)+'000') as int);
                    end
                    
                    if @PrtSumCount2 <3300
                    begin
                     set @setCount = 1;
                    end
                    else
                    begin
                     set @setCount = round(cast(@PrtSumCount2 as float)/cast(3000 as float),1);     
                    end
                --根据总印数计算套数结束
                
                --根据套数计算提成开始
                if @DevGroupName = 'AAAAA'
                   begin
                     set @setMoney = @setCount * 17;
                   end
                if @DevGroupName = 'BBBBB'
                   begin
                     if CHARINDEX('名片',@ProductName)>0
                         begin
                          set @setMoney = @setCount *16;
                         end
                     else
                         begin
                          set @setMoney = @setCount *23;
                         end
                   end
                if @DevGroupName ='CCCCC' 
                   begin
                    set @setMoney = @setCount*13;
                   end
                if @DevGroupName ='DDDDD' 
                   begin
                    set @setMoney = @setCount*17;
                   end
                if @DevGroupName ='EEEEE'
                   begin
                    set @setMoney = @setCount*19.5;
                   end
                --根据套数计算提成结束
                
                if charindex('不干胶',@ProductName)>0 --类别为不干胶
                Begin
                   declare @exKnife int --基数--转换刀数
                   if @kaiDu = '八开'
                   begin
                      set @exKnife =  1;
                   end
                   else if @kaiDu = '四开'
                   begin
                      set @exKnife = 2;
                   end
                   else
                   begin
                      set @exKnife = 3;
                   end
                   if @PrtSumCount2%500 > 50
                      begin
                       set @knifeCount =(@PrtSumCount2/500+1)*@exKnife;
                      end
                   else
                      begin
                   set @knifeCount = (@PrtSumCount2/500)*@exknife;
                      end
                   set @KnifeMoney = @knifeCount*1.9;
                End
                Else if CHARINDEX('名片',@productName)>0 --类别为名片
                Begin
                   set @boxNumber = @PrtPCount/100;
                   if @boxNumber <2.5
                      begin
                        set @knifeCount = 1;
                      end
                   else
                      begin
                        set @knifeCount = @boxNumber/2.5;
                      end
                   set @KnifeMoney = @knifeCount*4.2;
                End
                Else  --类别为彩页
                Begin
                    declare @baseNumber int, @exchangeKnife int --基数--转换刀数
                    if @kaiDu='全开'
                        begin
                           set @baseNumber = 1000;
                           set @exchangeKnife = 3;
                        end
                   if @kaiDu ='对开'
                       begin
                           set @baseNumber=1000;
                           set @exchangeKnife = 1;
                       end
                   if @kaiDu ='四开'
                       begin
                           set @baseNumber = 2000;
                           set @exchangeKnife = 1;
                       end
                   if @kaiDu ='八开'
                       begin
                           set @baseNumber = 2500;
                           set @exchangeKnife = 1;
                       end
                   if @kaiDu ='十六开'
                       begin
                          set @baseNumber = 5000;
                          set @exchangeKnife = 1;
                       end
                   if @kaiDu ='三十二开及其以上'
                       begin
                          set @baseNumber = 10000;
                          set @exchangeKnife = 1;
                       end
                   --彩页:开始计算刀数
                   if @PrtSumCount2 < @baseNumber
                      begin
                       set @knifeCount=1*@exchangeKnife
                      end
                   else if @PrtSumCount2%@baseNumber>100
                      begin
                        set @knifeCount=(@PrtSumCount2/@baseNumber+1)*@exchangeKnife
                      end
                   else
                      begin
                        set @knifeCount = (@PrtSumCount2/@baseNumber)*@exchangeKnife
                      end
                   set @KnifeMoney = @knifeCount*2;
                End
           --刀数和套数均已有结果
           
           --判断是否已有临时表,无则新建添加有则添加  
             insert into ##SalaryInfo
             (FinishEName,DevName,PrtTotalPageCount,PrtSumCount2,EndTime,ProductName,SetNumber,KnifeMoney,setMoney,Salary) 
             values(@FinishEName,@DevName,@PrtTotalPageCount,@PrtSumCount2,@EndTime,@ProductName,@setCount,@KnifeMoney,@setMoney,(@KnifeMoney+@setMoney))
           end
          end
        
        --分页代码
        if @pageIndex = 1
         begin
          set @startNumber = 1;
         end
        else
         begin
          set @startNumber = (@PageIndex-1)*@pageSize + 1;
         end 
        set @endNumber = @pageIndex*@pageSize;
        
        --计算总记录数
         DECLARE @strCountSql NVARCHAR(1000)
         SET @strCountSql = 'Select @reCount = count(1) FROM (select FinishEName,DevName from ##SalaryInfo group by FinishEName,DevName) A'
         EXEC sp_executesql @strCountSql, N'@reCount int OUTPUT', @recordCount OUTPUT
        
        --select FinishEName,DevName,SUM(SetNumber) as SetNumberSum,SUM(PrtTotalPageCount) as PrtTotalPageCountSum,SUM(PrtSumCount2) as PrtSumCount2Sum,SUM(KnifeMoney) as KnifeMoneySum,SUM(setMoney) as setMoneySum,SUM(Salary) as SalarySum
        --from ##SalaryInfo 
        --group by FinishEName,DevName
        
        select * from (select ROW_NUMBER()
        over(order by DevName) as rownum,FinishEName,DevName,SUM(SetNumber) as SetNumberSum,SUM(PrtTotalPageCount) as PrtTotalPageCountSum,SUM(PrtSumCount2) as PrtSumCount2Sum,SUM(KnifeMoney) as KnifeMoneySum,SUM(setMoney) as setMoneySum,SUM(Salary) as SalarySum from ##SalaryInfo where 1=1  group by FinishEName,DevName) AS D
        where rownum between @startNumber and @endNumber
        
        CLOSE pNumber_cursor--关闭游标
        DEALLOCATE pNumber_cursor--释放游标
        
        --删除临时表
        drop table ##SalaryInfo
         
    END
    
    GO
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  • 原文地址:https://www.cnblogs.com/Wbely/p/4193976.html
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