sql语句怎么连接数字类型变量？

[yzxlyl]

declare @Strsql varchar(2000),@iagefrom int,@iageto int
set @iagefrom=25
set @iageto=100
set @Strsql='select * from members where age between '''+iagefrom+''' and '''+iageto+''''
--这样不行
--这种方法只适合字符串类型的变量，但数字类型的变量有问题，数字类型的 变量该怎么连接呢？

exec(@Strsql)

[gmlxf]

declare @Strsql varchar(2000),@iagefrom int,@iageto int
set @iagefrom=25
set @iageto=100
set @Strsql='select * from members where age between '+cast(@iagefrom as varchar)+' and '+cast(@iageto as varchar)
print @Strsql

[devilwind]

declare @Strsql varchar(2000),@iagefrom int,@iageto int
set @iagefrom=25
set @iageto=100
set @Strsql='select * from members where age between '+cast(@iagefrom as varchar(10))+' and '+cast(@iageto as varchar(10))
select @Strsql
exec(@Strsql)

[gmlxf]

declare @Strsql varchar(2000),@iagefrom int,@iageto int
set @iagefrom=25
set @iageto=100
set @Strsql='select * from members where age between '+cast(@iagefrom as varchar)+' and '+cast(@iageto as varchar)
exec(@Strsql)

[hmily1688]

就是cast或convert进行转换
具体用法可以查帮助