對discuz的程式碼分析學習(四)論壇入口檔案,discuz論壇入口
只是大致分析下執行流程,主要就是取得mod參數的值,根據取值載入控制器,控制器位置在最後一行指定了。
1 )定義應用程式名稱,載入兩個必要檔案
define('APPTYPEID', 2);define('CURSCRIPT', 'forum');require './source/class/class_core.php';//核心類require './source/function/function_forum.php';//論壇函數庫
2 )modarray數組限定了mod取值範圍
$modarray = array('ajax','announcement','attachment','forumdisplay', 'group','image','index','medal','misc','modcp','notice','post','redirect', 'relatekw','relatethread','rss','topicadmin','trade','viewthread','tag','collection','guide');//模組緩衝列表,各個子數組分別表示各個模組要緩衝的快取項目$modcachelist = array( 'index' => array('announcements', 'onlinelist', 'forumlinks', 'heats', 'historyposts', 'onlinerecord', 'userstats', 'diytemplatenameforum'), 'forumdisplay' => array('smilies', 'announcements_forum', 'globalstick', 'forums', 'onlinelist', 'forumstick', 'threadtable_info', 'threadtableids', 'stamps', 'diytemplatenameforum'), 'viewthread' => array('smilies', 'smileytypes', 'forums', 'usergroups', 'stamps', 'bbcodes', 'smilies', 'custominfo', 'groupicon', 'stamps', 'threadtableids', 'threadtable_info', 'posttable_info', 'diytemplatenameforum'), 'redirect' => array('threadtableids', 'threadtable_info', 'posttable_info'), 'post' => array('bbcodes_display', 'bbcodes', 'smileycodes', 'smilies', 'smileytypes', 'domainwhitelist', 'albumcategory'), 'space' => array('fields_required', 'fields_optional', 'custominfo'), 'group' => array('grouptype', 'diytemplatenamegroup'),);
3 )如果mod參數為空白或者不合法都會讓運算式為真,導致值為index
$mod = !in_array(C::app()->var['mod'], $modarray) ? 'index' : C::app()->var['mod'];
4 )做初始化
define('CURMODULE', $mod);//var_dump(CURMODULE);$cachelist = array();if(isset($modcachelist[CURMODULE])) {//如果當前快取項目存在的話, $cachelist = $modcachelist[CURMODULE];//擷取當前緩衝組的緩衝清單項目 $cachelist[] = 'plugin'; $cachelist[] = 'pluginlanguage_system';}if(C::app()->var['mod'] == 'group') { $_G['basescript'] = 'group';}C::app()->cachelist = $cachelist;C::app()->init();//初始化loadforum();set_rssauth();runhooks();
5 )載入控制器
$navtitle = str_replace('{bbname}', $_G['setting']['bbname'], $_G['setting']['seotitle']['forum']);$_G['setting']['threadhidethreshold'] = 1;//var_dump($mod);require DISCUZ_ROOT.'./source/module/forum/forum_'.$mod.'.php';
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