游标使用-循环语句

--模型

Declare @MemberID int

Declare csTemp Cursor For

Select MemberID From xxx

Open csTemp

Fetch Next From csTemp Into @MemberID

While @@fetch_status=0

Begin

xxx……

Fetch Next From csTemp Into @MemberID

End

Close csTemp

Deallocate 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 [email protected] 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

游标使用-循环语句