每十秒工作(写日志)一次： * * * * * /tmp/cronta01.sh * * * * * php /tmp/tolog.php * * * * * sleep 10; php /tmp/tolog.php * * * * * sleep 20; php /tmp/tolog.php * * * * * sleep 30; php /tmp/tolog.php * * * * * sleep 40; php /tmp/tolog.php * * * * * sleep 50; php /tmp/tolog.php * * * * * sleep 60; php /tmp/tolog.php