这是我的查询
$sum = "SELECT htno,
SUM(tm) AS tech,
SUM(tm)/7.5 AS divi,
SUM(credits) AS cred ,
SUM(CASE WHEN credits <= 0 THEN 1 ELSE 0 END) AS log,
SUM(CASE WHEN credits > 0 THEN 1 ELSE 0 END) AS pass,
SUM(CASE WHEN em >= 0 THEN 1 ELSE 0 END) AS atm,
SUM(CASE WHEN em >= -2 THEN 1 ELSE 0 END) AS tot
FROM jbit WHERE htno='$id'";
在第 3 行 'SUM(tm)/7.5 As divi' 查询输出为 79.2544555555 但我希望输出为 79.25
帮帮我的朋友