[转]Discuz! X2论坛首页 discuz.htm修改指南
论坛首页是大家经常需要改动的一个页面，下面我就给大家分析一下这个页面的结构。
这个页面的静态htm地址为./template/default/forum/discus.htm文件。
首先页面的头部为，引进默认的头部文件代码：<!–{subtemplate common/header}–>
下面为：
<div id=”pt”>
<!–{if empty($gid) && $announcements}–>
<div>
<div id=”an”>
<dl>
<dt>{lang announcements}: </dt>
<dd>
<div id=”anc”><ul id=”ancl”>$announcements</ul></div>
</dd>
</dl>
</div>
<script type=”text/javascript”>announcement();</script>
</div>
<!–{/if}–>
<div>
<a href=”./” title=”{lang homepage}”>$_G[setting][bbname]</a><em>»</em><a href=”forum.php”>{$_G[setting][navs][2][navname]}</a>$navigation
</div>
</div>
<!–{if empty($gid)}–>
<div id=”chart”>
<p>{lang index_today}: <em>$todayposts</em><span>|</span>{lang index_yesterday}: <em>$postdata[0]</em><span>|</span>{lang index_posts}: <em>$posts</em><span>|</span>{lang index_members}: <em>$_G[‘cache’][‘userstats’][‘totalmembers’]</em><!–{if $_G[‘setting’][‘lastmember’]}–><span>|</span>{lang welcome_new_members}: <em><a href=”home.php?mod=space&username={echo rawurlencode($_G[‘setting’][‘lastmember’])}” target=”_blank”>$_G[‘setting’][‘lastmember’]</a></em><!–{/if}–></p>
<div>
<!–{if $_G[‘uid’]}–><a href=”home.php?mod=space&uid=$_G[‘uid’]&do=thread&view=me” title=”{lang my_posts}”>{lang my_posts}</a><!–{/if}–><!–{if !empty($_G[‘setting’][‘search’][‘forum’][‘status’])}–><!–{if $_G[‘uid’]}–><span>|</span><!–{/if}–><a href=”search.php?mod=forum&srchfrom=$newthreads&searchsubmit=yes” title=”{lang show_newthreads}”>{lang show_newthreads}</a><!–{/if}–>
</div>
</div>
<!–{/if}–>
<!–{if !empty($_G[‘cache’][‘heats’][‘message’])}–>
<div>
<div>
<h2>{lang hotthreads_forum}</h2>
</div>
<div>
<div>
<!–{loop $_G[‘cache’][‘heats’][‘message’] $data}–>
<dl>
<dt><!–{if $_G[‘adminid’] == 1}–><a href=”forum.php?mod=misc&action=removeindexheats&tid=$data[tid]”>delete</a><!–{/if}–>
<a href=”forum.php?mod=viewthread&tid=$data[tid]” target=”_blank”>$data[subject]</a></dt>
<dd>$data[message]</dd>
</dl>
<!–{/loop}–>
</div>
<ul>
<!–{loop $_G[‘cache’][‘heats’][‘subject’] $data}–>
<li><!–{if $_G[‘adminid’] == 1}–><a href=”forum.php?mod=misc&action=removeindexheats&tid=$data[tid]”>delete</a><!–{/if}–>· <a href=”forum.php?mod=viewthread&tid=$data[tid]” target=”_blank”>$data[subject]</a></li>
<!–{/loop}–>
</ul>
</div>
</div>
<!–{/if}–>
<div>
<span>
<img id=”category_$cat[fid]_img” src=”{IMGDIR}/$cat[collapseimg]” title=”{lang spread}” alt=”{lang spread}” />
</span>
<!–{if $cat[‘moderators’]}–><span>{lang forum_category_modedby}: $cat[moderators]</span><!–{/if}–>
<!–{eval $caturl = !empty($cat[‘domain’]) && !empty($_G[‘setting’][‘domain’][‘root’][‘forum’]) ? ‘http://’.$cat[‘domain’].’.’.$_G[‘setting’][‘domain’][‘root’][‘forum’] : ”;}–>
<h2><a href=”{if !empty($caturl)}$caturl{else}forum.php?gid=$cat[fid]{/if}” style=”{if $cat[extra][namecolor]}color: {$cat[extra][namecolor]};{/if}”>$cat[name]</a></h2>
</div>
<dl{if !empty($forum[extra][iconwidth]) && !empty($forum[icon])} style=”margin-left: {$forum[extra][iconwidth]}px;”{/if}>
<dt><a href=”$forumurl”{if $forum[redirect]} target=”_blank”{/if}{if $forum[extra][namecolor]} style=”color: {$forum[extra][namecolor]};”{/if}>$forum[name]</a><!–{if $forum[todayposts] && !$forum[‘redirect’]}–><em title=”{lang forum_todayposts}”> ($forum[todayposts])</em><!–{/if}–></dt>
<!–{if empty($forum[redirect])}–><dd><em>{lang forum_threads}: $forum[threads]</em>, <em>{lang forum_posts}: $forum[posts]</em></dd><!–{/if}–>
<dd>
<!–{if $forum[‘permission’] == 1}–>
{lang private_forum}
<!–{else}–>
<!–{if $forum[‘redirect’]}–>
<a href=”$forumurl”>{lang url_link}</a>
<!–{elseif is_array($forum[‘lastpost’])}–>
<!–{if $cat[‘forumcolumns’] < 3}–>
<a href=”forum.php?mod=redirect&tid=$forum[lastpost][tid]&goto=lastpost#lastpost”><!–{echo cutstr($forum[lastpost][subject], 30)}–></a> <cite>$forum[lastpost][dateline] <!–{if $forum[‘lastpost’][‘author’]}–>$forum[‘lastpost’][‘author’]<!–{else}–>$_G[setting][anonymoustext]<!–{/if}–></cite>
<!–{else}–>
<a href=”forum.php?mod=redirect&tid=$forum[lastpost][tid]&goto=lastpost#lastpost”>{lang forum_lastpost}: $forum[lastpost][dateline]</a>
<!–{/if}–>
<!–{else}–>
{lang never}
<!–{/if}–>
<!–{/if}–>
</dd>
</dl>
