sqlserver怎么把日期转化成字符串答:DECLARE @DateTimeValue varchar(32), @DateValue char(8), @TimeValue char(6)SELECT @DateValue = '20120718',TimeValue = '211920'SELECT @DateTimeValue = convert(varchar, convert(datetime, @DateValue), 111)+ ' ' + substring(@TimeValue, 1, 2)+ ':' + substring(@TimeValue, 3, 2)...