Sql字符串拆分

declare @s varchar(100),@sql varchar(1000)
set @s=‘10-22/11-39=10-22/11-40=10-22/11-41=10-22/11-43=10-23/11-39‘
set @sql=‘SELECT CASE WHEN CHARINDEX(‘‘/‘‘,col)>0 THEN SUBSTRING(col,0,CHARINDEX(‘‘/‘‘,col)) 
ELSE SUBSTRING(col,0,CHARINDEX(‘‘=‘‘,col))
END	  FROM (select col=‘‘‘+ replace(@s+‘/‘,‘-‘,‘‘‘ union all select ‘‘‘)+‘‘‘‘
SET @sql=@sql+‘) A WHERE CHARINDEX(‘‘/‘‘,col)>0 or CHARINDEX(‘‘=‘‘,col)>0‘
PRINT @sql
exec (@sql)