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asiahighlights.com
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自动转换AMP操作放到信息平台

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master
尹诚诚 7 years ago
parent b8edfe95b2
commit 2dff9f2956
1 changed files with 20 additions and 116 deletions
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136
application/core/MY_Output.php
Unescape Escape View File

@ -3,24 +3,25 @@
//加载第三方用于解析html的类
require '/lib/simple_html_dom.php';
if (!defined('BASEPATH'))
exit('No direct script access allowed');
if (!defined('BASEPATH')) exit('No direct script access allowed');
class MY_Output extends CI_Output {
class MY_Output extends CI_Output
{
// --------------------------------------------------------------------
/**
* Write a Cache File
*
* @access public
* @param string
* @return void
* @access public
* @param string
* @return void
*/
function _write_cache($output) {
function _write_cache($output)
{
$cache_path = 'd:/Dropbox/wwwcache/asiahighlights.com';
$optimize_js_path = 'd:/Dropbox/wwwcache/asiahighlights.com/js';
if (!is_dir($cache_path) OR ! is_really_writable($cache_path)) {
if (!is_dir($cache_path) OR !is_really_writable($cache_path)) {
log_message('error', "Unable to write cache file: " . $cache_path);
return;
}
@ -32,7 +33,7 @@ class MY_Output extends CI_Output {
}
$cache_path = $cache_path . $_GET['static_html_url'];
if (mb_substr($cache_path, -1, 1) == '/') {
$cache_path.='index.htm';
$cache_path .= 'index.htm';
}
$this->create_folder_by_path(dirname($cache_path));
@ -75,8 +76,8 @@ class MY_Output extends CI_Output {
$output_js = $clean_html_object->data->js_content;
$output_js_name = '/' . md5($cache_path) . '.js';
file_put_contents($optimize_js_path . $output_js_name, $output_js);
$time_mark= time();//添加时间戳，用来更新CDN
$output = str_replace('##DEFERSCRIPTDEFER##', 'https://data.asiahighlights.com/optimizejs' . $output_js_name.'?'.$time_mark, $output);
$time_mark = time();//添加时间戳，用来更新CDN
$output = str_replace('##DEFERSCRIPTDEFER##', 'https://data.asiahighlights.com/optimizejs' . $output_js_name . '?' . $time_mark, $output);
}
}
}
@ -89,11 +90,11 @@ class MY_Output extends CI_Output {
//替换图片地址，用CDN分发
foreach ($html_object->find('img') as $image) {
if (strpos($image->src, 'https://data.asiahighlights.com/') === false) {//当查找的字符串在开始位置则返回0，所以一定要写===false
if (strpos($image->src, '/pic/') !== false || strpos($image->src, '/image/') !== false) {
if (strpos($image->src, '/pic/') !== false || strpos($image->src, '/image/') !== false) {
$image->src = 'https://data.asiahighlights.com' . $image->src;
}
}
}
if(empty($image->loader) || $image->loader!=="nolazy") {//如果没有禁止懒加载的标识符，则给图片添加懒加载。一般首页logo和banner图片不需要懒加载
if (empty($image->loader) || $image->loader !== "nolazy") {//如果没有禁止懒加载的标识符，则给图片添加懒加载。一般首页logo和banner图片不需要懒加载
$image->originalsrc = $image->src;
$image->loader = "lazy";
$image->src = "https://data.asiahighlights.com/image/grey.gif";
@ -109,7 +110,7 @@ class MY_Output extends CI_Output {
//生成移动端用小图
foreach ($html_object->find('img') as $image) {
if(substr($image->originalsrc,-4)=='.jpg'){//只有jpg可以处理
if (substr($image->originalsrc, -4) == '.jpg') {//只有jpg可以处理
if (strpos($image->originalsrc, 'https://data.asiahighlights.com/') !== false) {//当查找的字符串在开始位置则返回0，所以一定要写===false
$source_image = str_replace('https://data.asiahighlights.com', '', $image->originalsrc); //原始图片URL
$image->originalsrc = 'https://data.asiahighlights.com/mobile' . $source_image;
@ -120,107 +121,7 @@ class MY_Output extends CI_Output {
}
//////
////// 生成AMP版本
///
//用移动端版本生成
/*
1.加载站点AMP模板，模板只有导航、头部、底部
2.删除全部js引用和内链代码
3.删除全部css引用，内联css放入<style amp-custom>
4.图片全部替换成amp-img，设置宽高，设置layout="responsive"
5.去掉所有元素中的style
6.去掉样式表中的!important
7.替换读取源文件title description keywords canonical
8.todo:增加application/ld+json
*/
if (!empty($_GET['amp_optimize'])) {//生成AMP版本
//当前文件夹下的AMP模板
$amp_template=file_get_contents(dirname(__FILE__).'/amp-template.html');
foreach ($html_object->find('title') as $title) {
$amp_template = str_replace('<!--@TITLE@-->', $title->innertext, $amp_template);
}
foreach ($html_object->find('meta') as $meta) {
if($meta->name=='description'){
$amp_template = str_replace('<!--@DESCRIPTION@-->', $meta->content, $amp_template);
}
if($meta->name=='keywords'){
$amp_template = str_replace('<!--@KEYWORDS@-->', $meta->content, $amp_template);
}
}
foreach ($html_object->find('script') as $script) {
$script->outertext = '';
}
foreach ($html_object->find('link') as $link) {
if ($link->rel == 'stylesheet' && !empty($link->href)) {
$link->outertext = '';
}
if ($link->rel == 'canonical' && !empty($link->href)) {
$amp_template = str_replace('<!--@CANONICAL@-->', $link->href, $amp_template);
}
}
$style_content = '';
foreach ($html_object->find('style') as $style) {
$style_content .= $style->innertext;
$style->outertext = '';
}
$style_content = str_replace('!important', '', $style_content);
$amp_template = str_replace('/*@CUSTOM-CSS@*/', $style_content, $amp_template);
//获取图片尺寸，AMP要求必须填写width和height
//拼接请求的图片url，如 https://data.asiahighlights.com/imagesize.php?photo=/pic/logo-ah.png,/pic/ah-slide-logo.png
$request_size=array();
foreach ($html_object->find('img') as $image) {
$img_src = $image->src;
if (!empty($image->originalsrc)) {
$img_src = $image->originalsrc;
}
$request_size[] = str_replace('https://data.asiahighlights.com', '', $img_src);
}
//请求图片尺寸
$image_sizes=array();
$parse_url='https://data.asiahighlights.com/imagesize.php?photo='.implode(',',$request_size);
$size_data=GET_HTTP($parse_url);
if(!empty($size_data)){
$size_data=json_decode($size_data);
foreach ($size_data as $item){
$item->photo='https://data.asiahighlights.com'.$item->photo;
$image_sizes[$item->photo]=$item;
}
}
//获取图片尺寸 end
foreach ($html_object->find('img') as $image) {
$img_src = $image->src;
if (!empty($image->originalsrc)) {
$img_src = $image->originalsrc;
}
$img_alt = $image->alt;
$img_class = $image->class;
$img_size=$image_sizes[$img_src];
if(!empty($img_size)){
$image->outertext = " <amp-img layout=\"responsive\" class=\"{$img_class}\" alt=\"{$img_alt}\" src=\"{$img_src}\" width=\"{$img_size->width}\" height=\"{$img_size->height}\"></amp-img>";
}
}
foreach ($html_object->find('#content_main') as $content_main) {
$amp_template = str_replace('<!--@CUSTOM-CONENT@-->', $content_main, $amp_template);
}
//替换掉写在组件上的样式
$amp_template = preg_replace('/style=.+?[\'|"]/i', '', $amp_template);
file_put_contents($cache_path . '.amp.htm',$amp_template);
}
////// 生成AMP版本 end
if (flock($fp, LOCK_EX)) {
fwrite($fp, $output . '<!-- Generated by ' . $_SERVER['HTTP_HOST'] . ' (' . date('c') . ') -->');
@ -240,11 +141,14 @@ class MY_Output extends CI_Output {
/*
* 递归创建文件夹
*/
function create_folder_by_path($dir, $mode = 0777) {
function create_folder_by_path($dir, $mode = 0777)
{
if (!is_dir($dir)) {
return @mkdir($dir, $mode, true);
}
return;
}
}

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