将一列数据转换成一个字段数据，逗号分隔

这个场景很常见，在网上查了一下，人家说用xpath 方法，亲测有效。

 

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select stuff( (select ','+cast(u.UserName_Chn as varchar(max)) from BO_ManagementPeo b inner join V_P_UserInfo u on u.UserGUID = b.UserGUID where a.ObjectGUID=b.ObjectGUID for xml path('')) ,1,1,'') as JoinUsers, ObjectGUID from BO_ManagementPeo a group by ObjectGUID

　　

如果只是单个

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select a.*, stuff( (select ','+cast(FullName as varchar(max)) from  erp.dbo.yx_khinfo where CHARINDEX('首利', FullName) > 0 for xml path('')) ,1,1,'') fullname from (select '首利' col1) a