select * from tb_province --省
pID pName
1 北京市
2 天津市
3 上海市
4 重庆市
5 河北省
6 山西省
.......
select * from tb_city --城市
cID cName pId
19 阿坝藏族羌族自治州 22
8 阿克苏市 31
4 阿拉尔市 31
12 阿拉善盟 32
22 阿勒泰市 31
6 阿里地区 29
12 阿图什市 31
9 安康市 27
8 安庆市 13
......
select * from tb_city where pid=(select pid from tb_province where pname like ‘%台湾%‘) order by cid
--遍历查询结果print
declare @Index int DECLARE @ccName varchar(50) DECLARE @Str varchar(1000) DECLARE @cName varchar(50) set @cName=‘台湾‘ set @Index = 1 set @Index = (select count(*) from tb_city where pid=(select pid from tb_province where pname like ‘%‘+@cName+‘%‘)) declare @BId int set @BId=1 set @Str=‘‘ while @BId <= @Index begin set @ccName=(select cName from tb_city where cID=@BId and pid=(select pid from tb_province where pname like ‘%‘+@cName+‘%‘)) if(@Str=‘‘) begin set @Str=‘"‘+@ccName+‘"‘ end else begin set @Str=@Str+‘,"‘+@ccName+‘"‘ end set @BId=@BId+1; end print(REPLACE(@Str,‘市‘,‘‘))
--结果
"台北","高雄","基隆","台中","台南","新竹","嘉义","台北县","宜兰县","桃园县","新竹县","苗栗县","台中县","彰化县","南投县","云林县","嘉义县","台南县","高雄县","屏东县","澎湖县","台东县","花莲县"
select pId, Name = ( stuff ( ( select ‘,‘ + cName from tb_city where pId = a.pId for xml path(‘‘) ),1,1,‘‘ ) ) from tb_city a group by pId
结果:
pId Name
1 北京市
2 天津市
3 上海市
4 重庆市
5 保定市,沧州市,承德市,邯郸市,衡水市,廊坊市,秦皇岛市,石家庄市,唐山市,邢台市,张家口市
6 长治市,大同市,晋城市,晋中市,临汾市,吕梁市,朔州市,太原市,忻州市,阳泉市,运城市
7 高雄市,高雄县,花莲县,基隆市,嘉义市,嘉义县,苗栗县,南投县,澎湖县,屏东县,台北市,台北县,台东县,台南市,台南县,台中市,台中县,桃园县,新竹市,新竹县,宜兰县,云林县,彰化县
时间: 2024-10-09 15:30:22