【phpcms-v9】专题模块前端控制器index.php文件分析

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<?php

defined('IN_PHPCMS') or exit('No permission resources.');

pc_base::load_app_func('global', 'special');//加载global.func.php文件

class index {

private $db;

function __construct() {

$this->db = pc_base::load_model('special_model');//table_name:special

}

/**

* 专题列表

*/

public function special() {

//站点id

$siteid = $_GET['siteid'] ? intval($_GET['siteid']) : (get_siteid() ? get_siteid() : 1);

//seo信息

$SEO = seo($siteid);

//加载专题列表页面

include template('special', 'special_list');

}

/**

* 专题首页

*/

public function init() {

//专题id

$specialid = $_GET['id'] ? $_GET['id'] : ($_GET['specialid'] ? $_GET['specialid'] : 0);

if (!$specialid) showmessage(L('illegal_action'));

//相当于：select * from gt_special where id='$specialid' and disabled=0

$info = $this->db->get_one(array('id'=>$specialid, 'disabled'=>0));

if(!$info) showmessage(L('special_not_exist'), 'back');

//将当前专题id所对应的字段作为变量导入到当前的符号表

extract($info);

$css = get_css(unserialize($css));

if(!$ispage) {//字段变量：如果不分页的话

$type_db = pc_base::load_model('type_model');//类别表

//查询当前专题下所有的类别

$types = $type_db->select(array('module'=>'special', 'parentid'=>$specialid), '*', '', '`listorder` ASC, `typeid` ASC', '', 'listorder');

}

if ($pics) {//字段变量：专题导入的图片报道信息，如：1|65|周克华被警方击毙

$pic_data = get_pic_content($pics);

unset($pics);

}

if ($voteid) {//字段变量：投票信息，如：vote|1|你最爱吃的饭？

$vote_info = explode('|', $voteid);

$voteid = $vote_info[1];//投票id

}

$siteid = $_GET['siteid'] ? $_GET['siteid'] : get_siteid();//站点id

$SEO = seo($siteid, '', $title, $description);//seo信息

//评论表commentid字段的组成

$commentid = id_encode('special', $id, $siteid);//组成生成id号：urlencode($modules.'-'.$contentid.'-'.$siteid);

$template = $info['index_template'] ? $info['index_template'] : 'index';//模板

define('STYLE',$info['style']);

include template('special', $template);

}

/**

* 专题分类

*/

public function type() {

$typeid = intval($_GET['typeid']);//分类id

$specialid = intval($_GET['specialid']);//专题id

if (!$specialid || !$typeid) showmessage(L('illegal_action'));

//相当于：select * from gt_special where id='$special' and disabled=0 获取当前专题信息

$info = $this->db->get_one(array('id'=>$specialid, 'disabled'=>0));

if(!$info) showmessage(L('special_not_exist'), 'back');

$page = max(intval($_GET['page']), 1);

//当前专题信息

extract($info);

$css = get_css(unserialize($css));

if(!$typeid) showmessage(L('illegal_action'));

$type_db = pc_base::load_model('type_model');//类别表

//相当于：select * from gt_type where typeid='$typeid'

$info = $type_db->get_one(array('typeid'=>$_GET['typeid']));

$SEO = seo($siteid, '', $info['typename'], '');//类别名称

$template = $list_template ? $list_template : 'list';//类别对应的模板

include template('special', $template);

}

/**

* 专题展示

*/

public function show() {

$id = intval($_GET['id']);//专题文章id

if(!$id) showmessage(L('content_not_exist'),'blank');

$page = max(intval($_GET['page']), 1);

$c_db = pc_base::load_model('special_content_model');//专题文章主表

$c_data_db = pc_base::load_model('special_c_data_model');//专题文章附表

$rs = $c_db->get_one(array('id'=>$_GET['id']));//获取当前专题文章的主表内容

if(!$rs) showmessage(L('content_checking'),'blank');

//将当前专题文章主表中的字段转化为变量

extract($rs);

//是否用附表数据

if ($isdata) {

$arr_content = $c_data_db->get_one(array('id'=>$_GET['id']));//附表数据

if (is_array($arr_content)) extract($arr_content);//将当前专题文章附表中的字段转化为变量

}

$siteid = get_siteid();//站点id

if ($paginationtype) { //文章使用分页时：0-不分页 1-自动分页 2-手动分页

if($paginationtype==1) {

if (strpos($content, '[/page]')!==false) {

$content = preg_replace("|

page
(.*)

/page
|U", '', $content);

}

if (strpos($content, '[page]')!==false) {

$content = str_replace('[page]', '', $content);

}

$contentpage = pc_base::load_app_class('contentpage', 'content'); //调用自动分页类

$content = $contentpage->get_data($content, $maxcharperpage); //自动分页，自动添加上[page]

}

} else {//文章不使用分页的情况

if (strpos($content, '[/page]')!==false) {

$content = preg_replace("|

page
(.*)

/page
|U", '', $content);

}

if (strpos($content, '[page]')!==false) {

$content = str_replace('[page]', '', $content);

}

}

$template = $show_template ? $show_template : 'show'; //调用模板

$CONTENT_POS = strpos($content, '[page]');

if ($CONTENT_POS !== false) {

$contents = array_filter(explode('[page]', $content));

$pagenumber = count($contents);

$END_POS = strpos($content, '[/page]');

if ($END_POS!==false && ($CONTENT_POS<7)) {

$pagenumber--;

}

for ($i=1; $i<=$pagenumber; $i++) {

$pageurls[$i] = content_url($_GET['id'], $i, $inputtime, 'php');

}

if ($END_POS !== false) {

if($CONTENT_POS>7) {

$content = '[page]'.$title.'[/page]'.$content;

}

if (preg_match_all("|

page
(.*)

/page
|U", $content, $m, PREG_PATTERN_ORDER)) {

foreach ($m[1] as $k=>$v) {

$p = $k+1;

$titles[$p]['title'] = strip_tags($v);

$titles[$p]['url'] = $pageurls[$p][1];

}

}

}

//判断[page]出现的位置是否在第一位

if($CONTENT_POS<7) {

$content = $contents[$page];

} else {

if ($page==1 && !empty($titles)) {

$content = $title.'[/page]'.$contents[$page-1];

} else {

$content = $contents[$page-1];

}

}

if($titles) {

list($title, $content) = explode('[/page]', $content);

$content = trim($content);

if(strpos($content,'</p>')===0) {

$content = '<p>'.$content;

}

if(stripos($content,'<p>')===0) {

$content = $content.'</p>';

}

}

pc_base::load_app_func('util', 'content');

$title_pages = content_pages($pagenumber,$page, $pageurls);//分页代码

}

//当前专题的标题和url

$_special = $this->db->get_one(array('id'=>$specialid), '`title`, `url`');

pc_base::load_sys_class('format', '', 0);

$inputtime = format::date($inputtime);//发布时间

$SEO = seo($siteid, '', $title);

$template = $show_template ? $show_template : 'show';

$style = $style ? $style : 'default';

include template('special', $template, $style);

}

public function comment_show() {

$commentid = isset($_GET['commentid']) ? $_GET['commentid'] : 0;

$url = isset($_GET['url']) ? $_GET['url'] : HTTP_REFERER;

$id = isset($_GET['id']) ? intval($_GET['id']) : 0;

$userid = param::get_cookie('_userid');

include template('special', 'comment_show');

}

public function comment() {

if (!$_GET['id']) return '0';

$siteid = $_GET['siteid'] ? $_GET['siteid'] : get_siteid();

$id = intval($_GET['id']);

$commentid = id_encode('special', $id, $siteid);

$username = param::get_cookie('_username');

$userid = param::get_cookie('_userid');

if (!$userid) {

showmessage(L('login_website'), APP_PATH.'index.php?m=member&c=index');

}

$date = date('m-d H:i', SYS_TIME);

if ($_POST['dosubmit']) {

$r = $this->db->get_one(array('id'=>$_POST['id']), '`title`, `url`');

$comment = pc_base::load_app_class('comment', 'comment');

if ($comment->add($commentid, $siteid, array('userid'=>$userid, 'username'=>$username, 'content'=>$_POST['content']), '', $r['title'], $r['url'])) {

exit($username.'|'.SYS_TIME.'|'.$_POST['content']);

} else {

exit(0);

}

} else {

pc_base::load_sys_class('form');

include template('special', 'comment');

}

}

}

?>