嵌入（hook），即俗称的钩子，在Discuz!官方帮助中心统一用语为嵌入点。 

一、在Discuz!程序的模板中预定义了不少数量的嵌入点，简单点来说作用就是通过插件来控制这些位置显示内容。

要查看所有的预定义嵌入点，请打开 config/config_global.php 文件，将文件结尾添加的设计者模式值改成“2”，然后更新缓存即可。在页面源码中查找"<hook>"可搜索到嵌入点。

$_config['plugindeveloper'] = 2;

全局(common/)

 extcredits.htm

     string spacecp_credit_extra

 faq.htm

     string faq_extra

 footer.htm

     string global_footer

     string global_footerlink

 header.htm

     string global_cpnav_top (X2.5)

     string global_cpnav_extra1

     string global_cpnav_extra2

     string global_usernav_extra1

     string global_usernav_extra2

     string global_usernav_extra3

     string global_usernav_extra4 (X2.5)

     string global_nav_extra (X2.5)

     string global_header

 userabout.htm

     array global_userabout_top

     string userapp_menu_top

     string userapp_menu_middle

     array global_userabout_bottom

论坛(forum/)

 collection_all.htm (X2.5)

     string collection_index_top

     string collection_index_bottom

 collection_comment.htm (X2.5)

     string collection_nav_extra

 collection_index.htm (X2.5)

     string collection_index_top

     string collection_index_bottom

 collection_mycollection.htm (X2.5)

     string collection_index_top

     string collection_index_bottom

 collection_nav.htm (X2.5)

     string collection_nav_extra

 collection_view.htm (X2.5)

     string collection_viewoptions

     string collection_view_top

     string collection_threadlistbottom

     string collection_relatedop

     string collection_view_bottom

     string collection_side_bottom

 discuz.htm

     string index_status_extra

     string index_nav_extra (X2.5)

     string index_top

     string index_catlist_top (X2.5)

     array index_favforum_extra (X2.5)

     array index_catlist (X2.5)

     array index_forum_extra (X2.5)

     array index_forum_extra (X2.5)

     string index_middle

     string index_bottom

     string index_side_top

     string index_side_bottom

 discuzcode.htm

     array viewthread_attach_extra (X2.5)

 editor_menu_forum.htm

     string post_image_btn_extra

     string post_image_tab_extra

     string post_attach_btn_extra

     string post_attach_tab_extra

 forumdisplay.htm

     string forumdisplay_leftside_top

     string forumdisplay_leftside_bottom

     string forumdisplay_forumaction

     string forumdisplay_modlink

     string forumdisplay_top

     string forumdisplay_middle

     string forumdisplay_postbutton_top

     string forumdisplay_threadtype_inner (X2.5)

     string forumdisplay_filter_extra (X2.5)

     string forumdisplay_threadtype_extra (X2.5)

     string forumdisplay_bottom

     string forumdisplay_side_top

     string forumdisplay_side_bottom

 forumdisplay_fastpost.htm

     string forumdisplay_fastpost_content

     string forumdisplay_fastpost_func_extra

     string forumdisplay_fastpost_ctrl_extra

     string global_login_text

     string forumdisplay_fastpost_btn_extra

     string forumdisplay_fastpost_sync_method

 forumdisplay_list.htm

     string forumdisplay_filter_extra

     array forumdisplay_thread

     array forumdisplay_thread_subject (X2.5)

     array forumdisplay_author

     array forumdisplay_thread (X2.5)

     array forumdisplay_author (X2.5)

     string forumdisplay_threadlist_bottom (X2.5)

     string forumdisplay_postbutton_bottom

 forumdisplay_sort.htm (X2.5)

     string forumdisplay_postbutton_bottom

 forumdisplay_subforum.htm (X2.5)

     array forumdisplay_subforum_extra

     array forumdisplay_subforum_extra

 guide.htm

     string guide_nav_extra

     string guide_top

     string guide_bottom

 guide_list_row.htm (X2.5)

     array forumdisplay_thread

 index_navbar.htm

     string index_navbar

 post.htm

     string post_top

     string post_middle

     string post_btn_extra

     string post_sync_method

     string post_bottom

 post_activity.htm

     string post_activity_extra

 post_debate.htm 

    string post_debate_extra

 post_editor_body.htm

     string post_editorctrl_right

     string post_editorctrl_left

     string post_editorctrl_top

     string post_editorctrl_bottom

 post_editor_option.htm

     string post_side_top

     string post_side_bottom

 post_infloat.htm

     string post_infloat_top

     string post_infloat_middle

     string post_infloat_btn_extra

 post_poll.htm

     string post_poll_extra

 post_reward.htm

     string post_reward_extra

 post_trade.htm

     string post_trade_extra

 topicadmin_modlayer.htm

     string forumdisplay_modlayer

     string modcp_modlayer

 trade_info.htm

     string viewthread_tradeinfo_extra

 viewthread.htm

     string viewthread_top

     string viewthread_postbutton_top

     string viewthread_modoption

     string viewthread_beginline (X2.5)

     string viewthread_title_extra

     string viewthread_title_row

     string viewthread_middle

     string viewthread_bottom

 viewthread_activity.htm

     string viewthread_activity_extra1

     string viewthread_activity_extra2

 viewthread_fastpost.htm

     string viewthread_fastpost_side

     string viewthread_fastpost_content

     string viewthread_fastpost_func_extra

     string viewthread_fastpost_ctrl_extra

     string global_login_text

     string viewthread_fastpost_btn_extra (X2.5)

 viewthread_from_node.htm

     array viewthread_postheader

     array viewthread_postheader

&nbs