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?通过临时表进行sql循环
-----------创建临时表--------------
SELECT * INTO #tempfensitocity
FROM(
SELECT * FROM dbo.Swb_Jc_FenGongSi fs WHERE
NOT EXISTS
(
SELECT * FROM dbo.Swb_Jc_FenGongSi AS A INNER JOIN dbo.Swb_Electronic_City AS B
ON A.FenGongSiID=B.FengGongSiID WHERE fs.FenGongSiID=B.FengGongSiID
)
) AS A
DECLARE @fengongsiid INT
DECLARE @chengshiid INT
DECLARE @parentid INT
DECLARE @iscity int
DECLARE @isjoin INT
DECLARE @cityid INT
DECLARE @cityname VARCHAR(100)
BEGIN TRANSACTION
BEGIN TRY
---循环插入----
WHILE EXISTS (SELECT 1 FROM #tempfensitocity)
BEGIN
set @parentid =NULL
SET @cityid=null
------拿到一条分公司id-------
SELECT TOP 1 @fengongsiid=FenGongSiID,@cityname=GongSiMingCheng,@iscity= CASE when IsCity=1 THEN 1 ELSE
0 end,@isjoin=IsJoin FROM #tempfensitocity
--------取得对应的@parentid-----------------
SELECT @parentid=A.FenGongSiID FROM dbo.Swb_Jc_FenGongSi AS A WHERE EXISTS
(
SELECT 1 FROM dbo.Swb_Jc_FenGongSi AS B WHERE [email?protected] AND
B.NewCityName=A.GongSiMingCheng
)
---------取得cityid--------------------
IF(@parentid IS null)
SELECT @cityid= MAX(CityID)+1 FROM Swb_Electronic_City
ELSE
SELECT @cityid=CityID FROM Swb_Electronic_City WHERE [email?protected]
IF(@cityid IS null)
SELECT @cityid= MAX(CityID)+1 FROM Swb_Electronic_City
---------取得城市id------------
SELECT @chengshiid= MAX(ChengShiID)+1 FROM Swb_Electronic_City
INSERT INTO dbo.Swb_Electronic_City(
ChengShiID,CityName,FengGongSiID,CityID,ParentID,IsCity,IsJoin,IsEnable
,ExtendType,CreatDate)
VALUES
(
@chengshiid,@cityname,@fengongsiid,@cityid,@parentid,@iscity,@isjoin,NULL,1,GETDATE()
)
DELETE #tempfensitocity WHERE [email?protected]
END
END TRY
BEGIN CATCH
if(@@trancount>0)
ROLLBACK TRANSACTION
END CATCH
if(@@trancount>0)
COMMIT
-----删除临时表--------DROP TABLE #tempfensitocity END
（编辑：李大同）
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