-------------------------select cast(left(0x0A1F8697FF0000000000,charindex(0xFF00,0x0A1F8697FF0000000000)) as varbinary(8000)) as str--------------------------CREATE TABLE TEST6(A binary(50)) --DROP TABLE TEST6INSERT TEST6 SELECT 0x0A1F8697FF0000000000select cast(left(A,charindex(0xFF00,A)) as varbinary(8000)) as str from test6 -------------------------declare @bin varbinary(1000)declare @result varchar(1000)set @bin = 0x0A1F8697FF0000000000EXEC master.dbo.xp_varbintohexstr @bin, @result output----去掉字符串前面的'0x'字符set @result = stuff(@result,1,2,'')----去掉最后的FF00后面的字符(當有多個FF00時只從最后一個FF00截取)select reverse(substring(reverse(@result),charindex(reverse('FF00'),reverse(@result)),len(@result)- charindex(reverse('FF00'),reverse(@result))+1))/*結果0A1F8697FF00*/