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PHP将整个网站生成HTML纯静态网页的方法总结

Jun 13, 2016 pm 12:02 PM
html php code add exist at copy Will start Summarize method generate of website Web page static

复制代码 代码如下:


//在你的开始处加入 ob_start();
ob_start();

//以下是你的代码
//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
$fp = fopen(‘文件名','w');
fwrite($fp,$temp) or die(‘写文件错误');
?>



这只是最基本的方法,还不是很实用,因为网站是要更新的,要定期重新生成HTML

下面是我用的方法:

复制代码 代码如下:


if(file_exists(“xxx.html”))
{
$time = time();

//文件修改时间和现在时间相差半小时一下的话,直接导向html文件,否则重新生成html
if($time - filemtime(“xxx.html”) {
header(“Location:xxx.html”);
}
}
//在你的开始处加入 ob_start();
ob_start();

//页面的详细内容
//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
$fp = fopen(‘xxx.html','w');
fwrite($fp,$temp) or die(‘写文件错误');

//重新导向
header(“Location:xxx.html”);


下面是一些用到的函数的介绍:
1、Flush:刷新缓冲区的内容,输出。
函数格式:flush()
说明:这个函数经常使用,效率很高。

2、ob_start :打开输出缓冲区
函数格式:void ob_start(void)
说明:当缓冲区激活时,所有来自PHP程序的非文件头信息均不会发送,而是保存在内部缓冲区。为了输出缓冲区的内容,可以使用ob_end_flush()或flush()输出缓冲区的内容。
3 、ob_get_contents :返回内部缓冲区的内容。
使用方法:string ob_get_contents(void)
说明:这个函数会返回当前缓冲区中的内容,如果输出缓冲区没有激活,则返回 FALSE 。
4、ob_get_length:返回内部缓冲区的长度。
使用方法:int ob_get_length(void)
说明:这个函数会返回当前缓冲区中的长度;和ob_get_contents一样,如果输出缓冲区没有激活。则返回 FALSE。
5、ob_end_flush :发送内部缓冲区的内容到浏览器,并且关闭输出缓冲区。
使用方法:void ob_end_flush(void)
说明:这个函数发送输出缓冲区的内容(如果有的话)。
6、ob_end_clean:删除内部缓冲区的内容,并且关闭内部缓冲区
使用方法:void ob_end_clean(void)
说明:这个函数不会输出内部缓冲区的内容而是把它删除!
7、ob_implicit_flush:打开或关闭绝对刷新
使用方法:void ob_implicit_flush ([int flag])
说明:使用过Perl的人都知道$|=x的意义,这个字符串可以打开/关闭缓冲区,而ob_implicit_flush函数也和那个一样,默认为关闭缓冲区,打开绝对输出后,每个脚本输出都直接发送到浏览器,不再需要调用 flush().
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