<?php echo "今天:".date("Y-m-d").""; echo "昨天:".date("Y-m-d",strtotime("-1 day")), ""; echo "明天:".date("Y-m-d",strtotime("+1 day")). ""; echo "一周后:".date("Y-m-d",strtotime("+1 week")). ""; echo "一周零两天四小时两秒后:".date("Y-m-d G:H:s",strtotime("+1 week 2 days 4 hours 2 seconds")). ""; echo "下个星期四:".date("Y-m-d",strtotime("next Thursday")). ""; echo "上个周一:".date("Y-m-d",strtotime("last Monday")).""; echo "一个月前:".date("Y-m-d",strtotime("last month")).""; echo "一个月后:".date("Y-m-d",strtotime("+1 month")).""; echo "十年后:".date("Y-m-d",strtotime("+10 year")).""; strtotime()函数的作用是将日期时间描述解析为 Unix 时间戳 int strtotime ( string time \[, int now\] ) ?>