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Homephp教程php手册PHP定时执行任务的实现程序

在php中定时执行任务我们会用到函数,ignore_user_abort(),set_time_limit(0),sleep($interval) 这些函数组成的定时执行任务只要在浏览器执行一次,关了浏览器也不会有影响的.

利用php自带函数,代码如下:

ignore_user_abort();//关掉浏览器,PHP脚本也可以继续执行. 
set_time_limit(0);// 通过set_time_limit(0)可以让程序无限制的执行下去 
$interval=60*30;// 每隔半小时运行 
do{ 
    //这里是你要执行的代码  
    sleep($interval);// 等待5分钟 
}while(true); 
ignore_user_abort();//关掉浏览器,PHP脚本也可以继续执行. 
set_time_limit(0);// 通过set_time_limit(0)可以让程序无限制的执行下去 
$interval=60*30;// 每隔半小时运行

windows 的计划任务

1,写一个PHP程序,命名为test.php,内容如下所示:

<?php 
$fp = fopen("test.txt", "a+"); 
fwrite($fp, date("Y-m-d H:i:s") . " 成功成功了!n"); 
fclose($fp); 
?>

2,新建Bat文件,命名为test.bat,内容如下所示:

1 D:/php/php.exe -q D:/website/test.php //相应目录自己改上

3、建立WINDOWS计划任务:

开始—>控制面板—>任务计划—>添加任务计划

浏览文件夹选择上面的bat文件设置时间和密码(登陆WINDOWS的)保存即可了.


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