游标使用-循环语句
--模型
Declare @MemberID int
Declare csTemp Cursor For
Select MemberID From xxxOpen csTempFetch Next From csTemp Into @MemberIDWhile @@fetch_status=0Begin
xxx……
Fetch Next From csTemp Into @MemberID
EndClose csTempDeallocate csTemp
--举例
Declare @MemberID int,@BetCoin money,@AwardCoin money,@IsSystem bit --中奖会员,会员所投,当前奖励金豆数量
Declare csTemp Cursor For
Select Distinct MemberID,BetCoin,IsSystem From XyDou_Game_Au11_Bet
Where WinCoin=0 and Qh=@qh and BetNumber= @result and ( IsSystem=0 or IsSystemGameGoldExchange=1 )
Open csTemp
Fetch Next From csTemp Into @MemberID,@BetCoin,@IsSystem
While @@fetch_status = 0 --如果游标存在
Begin
--处理语句.....
Set @AwardCoin = Round(@BetCoin*@Pv,0,1)
Exec P_Member_ChangeGold_Value '游戏',@AwardCoin,@MemberID,1
Fetch Next From csTemp Into @MemberID,@BetCoin,@IsSystem --跳到下个游标
End
Close csTemp --关闭游标
Deallocate csTemp --释放游标