asiahighlights.com/application/controllers/information.php

<?php

if (!defined('BASEPATH'))
    exit('No direct script access allowed');

class Information extends CI_Controller {

    public function __construct() {
        parent::__construct();
        //$this->output->enable_profiler(TRUE);
        $this->load->model('Information_model');
        $this->load->model('InfoMetas_model');
        $this->load->library('Tags_analysis');
    }

    public function index() {
        echo 'Information Index';
    }

    //优先使用传入的URL，用于主动生成静态页面（去映射）(优先使用POST参数)
    public function detail($url = '') {
        $data = array();
        if (empty($url)) {
            $url = $this->input->get_post('static_html_url');
        }

        if (empty($url) || $url == 'index.php') {
            $url = get_origin_url();
            if (preg_match('/\?.*/', $url) == 1) {
                $url = preg_replace('/\?.*/', '', $url);
                php_301($url);
                return;
            }
        }

        //大小写转向，只要url有大写字母的全部转到小写字母的url上
        if ($url != mb_strtolower($url)) {
            php_301(mb_strtolower($url));
            return;
        }

        $data['detail'] = $this->Information_model->get_detail($url);
        if ($data['detail'] === false) {
            // send_404($this);todo，写一个友好的404页面
            redirect('/error/page_not_found');
            return false;
        }
        $data['detail']->ic_content = $this->tags_analysis->analysis($data['detail']);

        $data['seo_title'] = $data['detail']->ic_seo_title;
        $data['seo_keywords'] = $data['detail']->ic_seo_keywords;
        $data['seo_description'] = $data['detail']->ic_seo_description;
        $data['seo_url'] = $data['detail']->ic_url;
		//判断是否有AMP版本，并生成缓存文件
		if($this->InfoMetas_model->get($data['detail']->ic_id, 'AMP_STATUS')=='1'){
			$AMP=$this->InfoMetas_model->get($data['detail']->ic_id, 'AMP');
			if(!empty($AMP)){
				if (mb_substr($data['seo_url'], -1, 1) == '/') {
					$data['amp_url'] =$data['seo_url'].'index.htm.amp.htm';
				}else{
					$data['amp_url'] =$data['seo_url'].'.amp.htm';
				}
				$cache_path = 'd:/Dropbox/wwwcache/asiahighlights.com'.$data['amp_url'];
				$dir=dirname($cache_path);
				if (!is_dir($dir)) {
					@mkdir($dir, 0777, true);
				}
				//表单替换和价格替换
				$AMP_Clone_content=$data['detail']->ic_content;//因为tags_analysis是根据信息结构来替换的，所以需要克隆一个信息结构，然后用AMP代码覆盖ic_content
				$data['detail']->ic_content =$AMP;
				$AMP=$this->tags_analysis->analysis($data['detail']);
				$data['detail']->ic_content=$AMP_Clone_content;
				file_put_contents($cache_path,$AMP);
			}
        }
        $data['meta_addon_css'] = $this->InfoMetas_model->get($data['detail']->ic_id, 'meta_addon_css');
        $data['meta_addon_js'] = $this->InfoMetas_model->get($data['detail']->ic_id, 'meta_addon_js');
        $this->load->view('header', $data);
        $this->load->view('information_' . $data['detail']->ic_template);
        $this->load->view('footer');
        $this->output->cache(99999);
    }
	

    //后面这串是密码，防止爬虫程序扫到
    //删除缓存文件，比如页面不在发布，或者修改了URL等情况
    public function delete_cache_8X913mksJ() {
        $url = $this->input->get_post('static_html_url');
        if (empty($url)) {
            $this->output->set_status_header(404);
            return false;
        }
        $cache_path = 'd:/Dropbox/wwwcache/asiahighlights.com';

        if (!is_dir($cache_path) OR ! is_really_writable($cache_path)) {
            log_message('error', "Unable to write cache file: " . $cache_path);
            $this->output->set_status_header(404);
            return false;
        }

        $cache_path = $cache_path . $url;
        if (mb_substr($cache_path, -1, 1) == '/') {
            $cache_path.='index.htm';
        }

        //如果文件存在，先判断是否为缓存文件，防止覆盖原始程序文件
        if (file_exists($cache_path)) {
            if (!$fp_read = @fopen($cache_path, FOPEN_READ)) {
                $this->output->set_status_header(404);
                return FALSE;
            }
            flock($fp_read, LOCK_SH);
            $cache = '';
            if (filesize($cache_path) > 0) {
                $cache = fread($fp_read, filesize($cache_path));
            }
            flock($fp_read, LOCK_UN);
            fclose($fp_read);
            if (strpos($cache, '<!-- Generated by ') === false) {
                log_message('error', "is not cache file." . $cache_path);
                $this->output->set_status_header(404);
                return FALSE;
            } else {
                if (unlink($cache_path)) {
                    unlink($cache_path.'.mobile.htm');//删除移动端文件
                    echo 'ok';
                    return TRUE;
                } else {
                    $this->output->set_status_header(404);
                    return FALSE;
                }
            }
        }
    }

}

/* End of file welcome.php */
/* Location: ./application/controllers/welcome.php */