set @str=‘WX15-53-H-53-99-15-335-23’;
select @str as \'字符串\'
select len(@str) as \'字符长度\'
select charindex(\'-\',@str,1) as \'第一个逗号的索引值\'
select LEFT(@str,charindex(\'-\',@str,1)-1) as \'第一个值\'
select SUBSTRING(@str,charindex(\'-\',@str,1)+1,len(@str)) as \'从第一逗号开始截取出后面的字符串\'
select LEFT(SUBSTRING(@str,charindex(\'-\',@str,1)+1,len(@str)),CHARINDEX(\'-\',SUBSTRING(@str,charindex(\'-\',@str,1)+1,len(@str)),1)-1) as \'中间的值\'
select SUBSTRING(SUBSTRING(@str,charindex(\'-\',@str,1)+1,len(@str)),charindex(\'-\',SUBSTRING(@str,charindex(\'-\',@str,1)+1,len(@str)),1)+1,len(@str)) as \'第2个-后面的值’
select SUBSTRING(SUBSTRING(@str,charindex(\'-\',@str,2)+1,len(@str)),charindex(\'-\',SUBSTRING(@str,charindex(\'-\',@str,2)+1,len(@str)),2)+1,len(@str)) as \'第2个-后面的值’
select SUBSTRING(SUBSTRING(@str,charindex(\'-\',@str,6)+1,len(@str)),charindex(\'-\',SUBSTRING(@str,charindex(\'-\',@str,6)+1,len(@str)),6)+1,len(@str)) as \'第5个-后面的值’
以此类推 取出的值为：15-335-23
select SUBSTRING(\'23*2*3\',charindex(\'*\',\'23*2*3\')-2,2)
select charindex(\'*\',\'223*332*3\',1)
select LEFT(\'223*2*3\',charindex(\'*\',\'223*2*3\',1)-1)
select LEFT(\'223*332*3\',charindex(\'*\',\'223*332*3\',1)+1,charindex(\'*\',\'223*332*3\',1)-1)
declare @str varchar(50)
set @str=\'223*3325*3444\'
select LEFT(SUBSTRING(@str,charindex(\'*\',@str,1)+1,len(@str)),CHARINDEX(\'*\',SUBSTRING(@str,charindex(\'*\',@str,1)+1,len(@str)),1)-1) as \'中间的值\'
select SUBSTRING(SUBSTRING(@str,charindex(\'*\',@str,1)+1,len(@str)),charindex(\'*\',SUBSTRING(@str,charindex(\'*\',@str,1)+1,len(@str)),1)+1,len(@str)) as \'第2个-后面的值\'
multiply
select b.goods,b.one_cat,b.number,b.Goods_unit_price,b.Goods_sum_price,b.dd_size,
convert(decimal(10,2),convert(decimal(10,2),LEFT(b.dd_size,charindex(\'*\',b.dd_size,1)-1))*convert(decimal(10,2),LEFT(SUBSTRING(b.dd_size,charindex(\'*\',b.dd_size,1)+1,len(b.dd_size)),CHARINDEX(\'*\',SUBSTRING(b.dd_size,charindex(\'*\',b.dd_size,1)+1,len(b.dd_size)),1)-1))*convert(decimal(10,2),SUBSTRING(SUBSTRING(b.dd_size,charindex(\'*\',b.dd_size,1)+1,len(b.dd_size)),charindex(\'*\',SUBSTRING(b.dd_size,charindex(\'*\',b.dd_size,1)+1,len(b.dd_size)),1)+1,len(b.dd_size)))),
convert(decimal(10,2),LEFT(b.dd_size,charindex(\'*\',b.dd_size,1)-1))
,convert(decimal(10,2),LEFT(SUBSTRING(b.dd_size,charindex(\'*\',b.dd_size,1)+1,len(b.dd_size)),CHARINDEX(\'*\',SUBSTRING(b.dd_size,charindex(\'*\',b.dd_size,1)+1,len(b.dd_size)),1)-1))
,convert(decimal(10,2),SUBSTRING(SUBSTRING(b.dd_size,charindex(\'*\',b.dd_size,1)+1,len(b.dd_size)),charindex(\'*\',SUBSTRING(b.dd_size,charindex(\'*\',b.dd_size,1)+1,len(b.dd_size)),1)+1,len(b.dd_size)))
from pmw_packInfo p left join pmw_billcode b on p.goodsID=b.goodsID