我想配置个定时任务，就是到某个时间执行代码里的一个文件，或是每隔多长时间执行，开始有了这样想法，但是不知道怎么执行，后来上网查了很多资料，下面是我配置成功的，我整理了一份笔记供供大家参考。
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开启crontab服务
(1)、用下面命令检查需要的文件是否存在，页面显示 ls: /etc/crontab: No such file or directory 表示crontab文件不存在。
$ ls -al /etc/crontab
(2)、创建crontab文件
$ sudo touch /etc/crontab
(3)、查看 crontab 是否启动
$ sudo launchctl list | grep cron -0com.vix.cron #否 320650com.vix.cron #是
(4)、确保本地现有一个被执行的文件，我在本地新建一个test.txt文件。路径： /Users/gaopeng/Downloads/test.txt
$ cd Downloads #放到Downloads目录下 $ touch test.txt
查看一下这个文件的权限，如果不可读，不可写，还要开一下权限
$ sudo chmod 777 test.txt
(5)、编辑自动执行脚本内容,此内容是临时内容，关机后不保存
$ sudo crontab -e
(6)、每1分钟输出 1234 到脚本(注意使用绝对路径)
*/1 * * * * echo 1234 >> /Users/gaopeng/Downloads/test.txt
(7)、使用crontab执行脚本,如果没有执行,查看脚本是否有执行权限（可忽略）
$ sudo chmod 777 crontab
(8)、查看一下启动项的配置
$ locate com.vix.cron
页面提示/var/db/locate.database) does not exist 表示不存在，需要创建一下
$ sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.locate.plist
（9）查看配置
$ cat /System/Library/LaunchDaemons/com.vix.cron.plist
（10）、crontab服务的重启关闭，开启
$ sudo /usr/sbin/cron start cron: cron already running, pid: 32065 #页面显示 $ sudo /usr/sbin/cron restart cron: cron already running, pid: 32065 #页面显示 $ sudo /usr/sbin/cron stop
以下示例是在具体项目里配置的定时任务
一、php形式配置
（1）、编辑要执行的内容
*/5 * * * * /opt/local/bin/php56 /Users/mac/git/ssos_web/batch/batch_os_sll.php 2>&1
（2）、被调用batch_os_sll.php的文件的配置
<?php require_once dirname(dirname(__FILE__)).DIRECTORY_SEPARATOR.'application' .DIRECTORY_SEPARATOR.'app' .DIRECTORY_SEPARATOR.'batch' .DIRECTORY_SEPARATOR.'Controller.php'; Batch_Controller::main_CLI('Batch_Controller', 'batch_lili_yinbiao');
（3）、batch_lili_yinbiao.php业务逻辑文件「这里不做说明」
二、sh 形式的配置：
（1）、编辑要执行的内容
*/2 * * * * bash /Users/mac/git/ssos_web/batch/bin/batch_sh_os_all.sh
（2）、被调用batch_sh_os_all.sh的文件配置
SCRIPT_DIR=`dirname $0` #取当前脚本所在路径的父目录 cd $SCRIPT_DIR#cd到返回的父目录 /usr/bin/php56 ../lcriptt/batch_os_sll.php $1 2>&1
（3）、被调用batch_os_sll.php的文件配置
require_once dirname(dirname(dirname(__FILE__))).DIRECTORY_SEPARATOR.'application' .DIRECTORY_SEPARATOR.'app' .DIRECTORY_SEPARATOR.'batch' .DIRECTORY_SEPARATOR.'Controller.php'; Batch_Controller::main_CLI('Batch_Controller', 'batch_lili_yinbiao');
（4）、batch_lili_yinbiao.php业务逻辑文件「这里不做说明」
以上是我配置的定时任务，可以根据自己的需要执行项目里的文件。如果大家想配置按照上面步骤一步步操作就好，如果哪有不懂可以留言。谢谢大家支持。希望能为小白提供帮助。
The above is the detailed content of MAC environment configuration scheduled tasks. For more information, please follow other related articles on the PHP Chinese website!
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