登录
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<a href="member.php?mod=logging&action=login" onclick="showWindow('login', this.href);return false;" title="登录">登录</a> |
注册
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<a href="member.php?mod=register" title="立即注册">立即注册</a> |
忘记密码
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<a href="javascript:;" onclick="showWindow('login', 'member.php?mod=logging&action=login&viewlostpw=1')" title="找回密码">找回密码</a> |
购买邀请码
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misc.php?mod=buyinvitecode |
JS跳转
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onclick="window.location.href='home.php?mod=mobile&do=friend';" |
JS更换class的名称
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document.getElementById('idname').className='a';document.getElementById('idname').style.display='block';document.getElementById("idname").style.marginTop="30px"; |
批量替换超链接:
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href="[^"]*" |
过滤DZ代码:
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preg_replace ("/\[[a-z][^\]]*\]|\[\/[a-z]+\]/i",'',preg_replace("/\[attach\]\d+\[\/attach\]/i",'',$message)); |
………………………………………………………………………………………………………………………………………………………………
调用单个数据
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$qishi = DB::result(DB::query("SELECT qi FROM ".DB::table('jiangchi')." WHERE id = '1'")); |
调用统计数据
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$qishi = DB::result(DB::query("SELECT count(*) FROM ".DB::table('jiangchi')." WHERE id = '1'")); |
单数据表调用
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$perpage = 20;$curpage = empty ( $_GET['page'] ) ? 1 : intval ( $_GET['page'] );$start = ($curpage-1)*$perpage;$askcount = DB::result(DB::query("SELECT COUNT(*) FROM ".DB::table('forum_thread')." WHERE fid = '2' AND authorid > 1 AND FROM_UNIXTIME(dateline, '%Y%m%d') = '$jintian'"));//$asklist$asklist = array();if ($askcount) {$query = DB::query("SELECT * FROM ".DB::table('forum_thread')." WHERE fid = '2' AND displayorder > -1 ORDER BY tid ASC LIMIT $start,$perpage");while ($value = DB::fetch($query)) {$asklist[] = $value;}}$multi = multi($askcount, $perpage, $curpage, "portal.php?mod=topic&topic=ask"); |
多数据表调用
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$perpage = 40;$curpage = empty ( $_GET['page'] ) ? 1 : intval ( $_GET['page'] );$start = ($curpage-1)*$perpage;$acount = DB::result(DB::query("SELECT count(*) FROM ".DB::table('forum_forum')." b LEFT JOIN ".DB::table('forum_forumfield')." bf ON bf.fid=b.fid WHERE b.type='sub' AND b.status = 3 AND bf.icon != ''"));//$alist$alist = array();if ($acount) {$query = DB::query("SELECT bf.*, b.* FROM ".DB::table('forum_forum')." b LEFT JOIN ".DB::table('forum_forumfield')." bf ON bf.fid=b.fid WHERE b.type='sub' AND b.status = 3 AND bf.icon != '' ORDER BY bf.shoplevel DESC, b.commoncredits DESC, bf.fid DESC LIMIT $start,$perpage");while ($value = DB::fetch($query)) {$alist[] = $value;}}$multi = multi($acount, $perpage, $curpage, "这里填写跳转地址"); |
前台数据显示
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<!--{loop $alist $key $value}--><!--{eval $tupianfm = DB::result(DB::query("SELECT attachment FROM ".DB::table('forum_threadimage')." WHERE tid = '$value[tid]'"));}-->$value[authorid]<!--{/loop}--> |
取数据表中符合条件的第一条数据
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$app=array();$app=DB::fetch_first("select * from ".DB::table('home_diy_center')." where id='{$id}'"); |
人性化时间戳
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<!--{echo dgmdate(这里填写时间参数, 'u', '9999', getglobal('setting/dateformat'))}--><!--{echo date("Y-m/d H:i:s",这里填写时间参数)}--> |
截取字符字数
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<!--{echo cutstr(这里填写参数,40)}--> |
过滤DISCUZ代码
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preg_replace ("/\[[a-z][^\]]*\]|\[\/[a-z]+\]/i",'',preg_replace("/\[attach\]\d+\[\/attach\]/i",'',$message)); |
写入数据库
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if(submitcheck('tijiao')) {$setarr = array('tid' => $_GET['topicid'],'name' => $_POST['name'],'position' => $_GET['position'],'dateline' => $_G['timestamp'],);DB::insert('forum_poststick', $setarr, 1);$query = DB::query("UPDATE ".DB::table('forum_thread')." SET stickreply='1' WHERE tid='$tid'");$query = DB::query("DELETE FROM ".DB::table('forum_post')." WHERE pid='$pid'");showmessage('成功的提示信息', "forum.php?mod=viewthread&tid=$tid");} |
表单提交:
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<form action="do.php?op=jiangchi&con=yes" method="post" autocomplete="off"><input type="hidden" value="{FORMHASH}" name="formhash" />最低奖金:<input name="qi" type="text" value="$qishi" /> 最高奖金:<input name="end" type="text" value="$zhzh" /> <button value="true" name="tijiao" type="submit">提交设置</button><input type="hidden" name="tijiao" value="true" /></form> |
以下两个时间格式是对等关系
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date("Ymd",time()); 20150212FROM_UNIXTIME(dateline, '%Y%m%d') |
前者用于PHP,后者用于数据库调用的字段的格式化
调用图片附件
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<!--{eval $biaoid = substr($value[tid], -1); $cover = DB::result(DB::query("SELECT attachment FROM ".DB::table('forum_attachment_'.$biaoid.'')." WHERE tid = '$value[tid]'"));}--> |
数据库循环嵌套调用
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<!--{eval $slides = DB::fetch_all("SELECT * FROM ".DB::table('a')." WHERE `uid`= $_G[uid] ORDER BY `id` DESC");}--><!--{loop $slides $slide}-->$slide[name]<!--{/loop}--> |
ucenter无法登录:
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打开uc_server/model/admin.php找到第22行的$this->cookie_status = 0;改成$this->cookie_status = isset($_COOKIE['sid']) ? 1 : 0; |
无刷新切换li标签并且同时加载框架页面:
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<script type="text/javascript"> var jq = jQuery.noConflict();jq(function(){ jq("#changemenu>li").mouseover(function(){ jq("#changemenu>li").each(function(i){ jq(this).removeClass("current"); }); jq(this).addClass("current"); document.getElementById("changenr").innerHTML='<iframe src="chart.php?op=index&id='+jq(this).attr('dataid')+'" height="350" width="1070" frameborder="0" scrolling="no"></iframe>';}).mouseout(function(){ jq(this).addClass("current"); }); });</script><ul id=“changemenu”><li class=“current” dataid=“1”></li><li dataid=“2”></li></ul><div id=“changenr”></div> |
快速发帖
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<a href="forum.php?mod=misc&action=nav" onclick="showWindow('nav', this.href, 'get', 0);">发布新话题</a> |
常用词汇
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select 选择count 总数table 表where 条件result 结果perpage 每页curpage 当前页update 更新delete 删除insert 写入dateline 日期time 时间echo 输出 <?php echo '123'; ?>multi 分页函数if 如果else 否则elseif start 起始limit 限制 limit 10DESC 倒序ASC 正序 |
这篇博客详细介绍了如何在Discuz论坛系统中进行数据库调用,包括注册、忘记密码、购买邀请码等操作,以及JS功能如跳转和更换class名称。内容涵盖批量替换链接、过滤DZ代码、调用单个数据、统计数据、显示人性化时间戳、过滤字符、写入数据库、表单提交等,还涉及到时间格式的对应、图片附件调用、数据库循环嵌套和Ucenter登录问题,提供无刷新切换及快速发帖等实用技巧。
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