MSSQL将多行单列变一行一列并用指定分隔符分隔，模拟Mysql中的group_concat

-- 将多行记录（只能一个列）用指定分隔符分隔
IF(OBJECT_ID(‘sp_RowsChangeClosBySplit‘,N‘P‘) IS NOT NULL)
    DROP PROC sp_RowsChangeClosBySplit
GO
CREATE PROC sp_RowsChangeClosBySplit
@table nvarchar(50),            -- 表名
@field nvarchar(50),            -- 要拼接的字段
@split varchar(10)=‘,‘,            -- 分隔符
@where nvarchar(500)=‘‘    -- 条件
AS
BEGIN 
DECLARE @sql NVARCHAR(1000)
SET @sql=‘select TOP 1 stuff((select ‘‘‘+@split+‘‘‘+convert(varchar(50),‘+@field+‘) from ‘+@table+‘ ‘+@where+‘ FOR XML PATH(‘‘‘‘)), 1, 1, ‘‘‘‘) as cols from ‘+@table+‘ group by ‘+@field
PRINT @sql
EXEC sp_executesql @sql
END
 

EXEC dbo.sp_RowsChangeClosBySplit @table = N‘pro_Household‘, -- nvarchar(50)
    @field = N‘ID‘, -- nvarchar(50)
    @split = ‘,‘, -- varchar(10)
    @where = N‘where id < 10‘ -- nvarchar(500)

SELECT ID FROM dbo.pro_Household WHERE ID<10