看你用什么语言，有两个思路：1.替换-为空:比如javastr.replaceAll("-","")2.正则抓取数字组合： 比如javastr.replaceAll("(\\d{4})-(\\d{2})-(\\d{2})","$1$2$3")其他语言，类似
$time = '2010-03-15';$time = date('Ymd',strtotime($time));?>
