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PHP实现定时生成HTML网站首页实例代码_php技巧

May 17, 2016 am 09:34 AM
php

在开始之前还是提一下三个函数吧:"ob_start()、ob_end_clean()、ob_get_contents()"
ob_start():是打开缓冲区的,就是要把您需要生成的静态文件的内容缓存在这里;
ob_get_contents():是读出缓冲区里的内容,下面有代码为例;
ob_end_clean():这个比较重要,只有使用了这个函数后,缓冲区里的内容才会读取出来;

复制代码 代码如下:

if(file_exists("./index.htm"))//看静态index.htm文件是否存在
{
time=time();
//文件修改时间和现在时间相差?的话,直接导向htm文件,否则重新生成htm
if(time-filemtime("./index.htm"){
header("Location:classhtml/main.htm");
}
}
//在你的开始处加入ob_start();
ob_start();
//首页内容,就是你的动态部分了
//在结尾加入ob_end_clean(),并把本页输出到一个变量中
temp=ob_get_contents();
ob_end_clean();
//写入文件
fp=fopen("./index.htm",'w');
fwrite(fp,temp) or die('写文件错误');
//echo"生成HTML完成!";
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