使用php怎么开发一个论坛系统

<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head>  <link rel="stylesheet" href="bootstrap-4.4.1-dist/css/bootstrap.min.css" rel="external nofollow" >  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>  <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>  <script src=src="bootstrap-4.4.1-dist/js/bootstrap.min.js"></script> <body> <?php include('test1.php'); session_start(); ?> <nav class="navbar navbar-expand-sm bg-primary navbar-dark fixed-bottom"> <a class="navbar-brand" href="index2.php" rel="external nofollow" rel="external nofollow" rel="external nofollow" ><login>ice</login></a> <ul class="navbar-nav"> <li class="nav-item"> <a class="nav-link" href="#section1" rel="external nofollow" >热帖</a> </li> <li class="nav-item"> <a class="nav-link" href="#section2" rel="external nofollow" >聚焦</a> </li> <li class="nav-item"> <a class="nav-link" href="#section3" rel="external nofollow" >文学</a> </li> <li class="nav-item"> <a class="nav-link" href="#section4" rel="external nofollow" >论坛榜</a> </li> <li class="nav-item"> <a class="nav-link" href="#section5" rel="external nofollow" >更多</a> </li> </ul> <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsibleNavbar"> <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse justify-content-end nav-justified" id="collapsibleNavbar"> <ul class="navbar-nav"> <li class="nav-item col-8"> <div class=""> <a class="nav-link" href="index2.php" rel="external nofollow" rel="external nofollow" rel="external nofollow" >主页</a> </div> </li> <li class="nav-item col-8"> <div class=""> <a class="nav-link" href="login.php" rel="external nofollow" rel="external nofollow" >登录</a> </div> </li> <li 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class="text-muted">三角城不是一个虚拟的空间，似乎也不是一座确实存在的城市或水边小镇，但它在我心里业已存在多年，且汇...</a></p> </div> </div> </div> <div class="container" > <h3>论坛能量</h3> <p>本论坛旨在传播正能量，今天也要元气满满哦！</p> <div class="progress"> <div class="progress-bar progress-bar-striped progress-bar-animated" ></div> </div> </div> <div class="container" > <h3>幸运博主名单公布</h3> <p>恭喜以下博主获得最佳幸运奖：</p> <table class="table table-hover"> <thead> <tr> <th>ID</th> <th>昵称</th> <th>幸运值</th> </tr> </thead> <tbody> <tr> <td>324533</td> <td>Doe</td> <td>97</td> </tr> <tr> <td>231242</td> <td>Moe</td> <td>95</td> </tr> <tr> <td>234987</td> <td>Dooley</td> <td>92</td> </tr> </tbody> </table> </div> <hr class="d-sm-none"> </div> <div class="col-sm-8 container"> <div class="rounded text-muted h-25"> <body data-spy="scroll" data-target=".navbar" data-offset="50"> <tr> <td align="center" valign="middle"><table width="100%" border="0" align="center" cellpadding="0" cellspacing="0" background="image/55.gif"> <tr> <?php $date=date("Y-m-d");?> <td height="30"> </td> <td width="580"><div align="center"><marquee direction="left" scrollamount="1" scrolldelay="7"> <img src="timg.jpg" width="19" height="18"><span class="style1">欢迎访问在线论坛网站！   <?php echo $date;?> </span> </marquee></div></td> </tr> </table></td> </tr> <div id="section1" class="container-fluid bg-light" > <h2><a href="retie.php" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="nav-link text-muted">热帖</a></h2> <a href="retie.php" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="nav-link text-muted"> <p>2020年论坛新年献词：坚守初心，你好理想，时间开始了.这一年中的你和我，如同十年前初次相遇的我们：以梦为马，不负韶华；这一年中的你和我，心中藏着诗意与远...</p> <p>7位明星一级演员，为何“自降身价”出演网剧《庆余年》？《庆余年》正在热播，这部剧刚播出就受到了不少观众们的热爱，张若昀和李沁两位主演的演技是受到观众们肯定的，再加上一众老戏骨的参演...</p> </a> </div> <div id="section2" class="container-fluid bg-muted" > <h2><a href="jujiao.php" rel="external nofollow" rel="external nofollow" class="nav-link text-muted">聚焦</a></h2> <a href="jujiao.php" rel="external nofollow" rel="external nofollow" class="nav-link text-muted"> <p>论海南美食的命定搭配。说起咱们大海南的美食，没有个三天三夜那是绝对停不了嘴的。而其中有些食物，仿佛就是天生一对般的存在，就是那种只要你一吃，“懂行”的人就能迅速反应过来...</p> <p></p> </a> </div> <div id="section3" class="container-fluid bg-light" > <h2><a href="wenxue.php" rel="external nofollow" rel="external nofollow" class="nav-link text-muted">文学</a></h2> <a href="wenxue.php" rel="external nofollow" rel="external nofollow" class="nav-link text-muted"> <p> ...</p> <p> 在巴黎十六区莱努合大街47号，一栋不惹眼的小房子静静矗立。这是法国大文豪巴尔扎克的故居。他在这里生活了7年，完成了《人间喜剧》系列中的多部作品...</p> </div> <div id="section4" class="container-fluid bg-muted" > <h2><a href="luntanbang.php" rel="external nofollow" rel="external nofollow" class="nav-link text-muted">论坛榜</a></h2> <a href="luntanbang.php" rel="external nofollow" rel="external nofollow" class="nav-link text-muted"> <p>体育课麻雀变凤凰背后，是社会对健康的呼唤与寄望。体育课地位很少有像今天这样高！岁末年初，云南一项新政上了热搜：该省将中考体育成绩上调至100分，体育首次与语文、数学、英语并举为...</p> <p>90后没上过大学却能造火箭：我们的征途是星辰大海！有这样一位90后：他没上过大学，却造出了火箭，从火箭发动机的业余爱好者，到民用航空产品研发和液体火箭发动机的专业设计师，浩瀚星空下，吴晓飞的航天梦...</p> </div> <div id="section5" class="container-fluid bg-light" > <h2><a href="gengduo.php" rel="external nofollow" rel="external nofollow" class="nav-link text-muted">更多</a></h2> <a href="gengduo.php" rel="external nofollow" rel="external nofollow" class="nav-link text-muted"> <p>..</p> <p>98%食安合格率不是终点。在近日召开的全国市场监管工作会议上，市场监管总局提出了一个食品安全“小目标”——2020年食品安全抽检合格率达到98%...</p> </div> </body> </div> </div> </div> </div> <div class="jumbotron text-center" > <p> <div id = "footer"> <dl> <dt><a href = "#">关于我们</a> || <a href = "#">产品目录</a> || <a href = "#">反馈问题</a> || <a href = "#">广告合作</a> || <a href = "#">联系我们</a></dt> <dd>Copyright © 2019 - 2024 donghe.com All Rights Reserverd <br/>东河公司版权所有京 ICP 备 200000000 号 </dd> </dl> </div> </p> </div> </body> </html>

<?php include("conn.php"); $page=(isset($_GET['page']))?$_GET['page']:"1"; $zq=(isset($_GET['zq']))?$_GET['zq']:"热帖"; ?> <style type="text/css">  </style> <div align="center"><?php include("head.php");?></div> <p> </p> <table width="476"> <div class="container"> <ul class="nav nav-tabs"> <li class="nav-item"> <a class="nav-link active" href="retie.php" rel="external nofollow" rel="external nofollow" rel="external nofollow" >本页</a> </li> <li class="nav-item"> <a class="nav-link" href="index2.php" rel="external nofollow" rel="external nofollow" rel="external nofollow" >主页</a> </li> <li class="nav-item"> <a class="nav-link" href="login.php" rel="external nofollow" rel="external nofollow" >登录</a> </li> <li class="nav-item"> <a class="nav-link" href="register.php" rel="external nofollow" rel="external nofollow" >注册</a> </li> <table width="776" border="0" align="center" cellpadding="0" cellspacing="0" background=""> <tr> <td width="109" height="25" background=""> </td> <td width="638" align="right" valign="middle"><div align="center"><marquee direction="left" scrollamount="1" scrolldelay="7" onMouseOver="this.stop();" onMouseOut="this.start();"> <img src="timg.jpg" width="19" height="18"><span class="style1">欢迎访问东河论坛网站！</span>   <?php echo date("Y-m-d H:i:s")?> </marquee></div></td> <td width="29" > </td> </tr> </table> </ul> </div> </table> <table width="776" height="30" border="0" align="center" cellpadding="0" cellspacing="0" background="timg.jpg"> <tr> <td height="30" align="center"><h3><p class="text-muted"><?php echo $zq;?>专区   </p></h3></td> <td width="584"> </td> </tr> </table> <?php $page_size=5; //每页显示4条记录 $query="select * from tb_zqlb where zq='".$zq."'"; //从数据库中查询所有符合条件的数据 $result=mysqli_query($conn,$query); $message_count=mysqli_num_rows($result); //变量表示查询出结果的数量 if($message_count>0){ ?> <table width="776" height="30" border="1" align="center" cellpadding="1" cellspacing="1" class="table-hover"> <thead> <tr align="center"> <td width="51" height="26" class="style1"><p class="text-muted"><h7>状态</h7></p></td>  <td width="381" class="style1"><p class="text-muted"><h7>主      题</h7></p></td> <td width="79" class="style1"><p class="text-muted"><h7>作者</h7></p></td> <td width="76" class="style1"><p class="text-muted"><h7>回复/人气</h7></p></td> <td width="135" class="style1"><p class="text-muted"><h7>发表时间</h7></p></td> </tr> </thead> <?php $page_count=ceil($message_count/$page_size); //变量表示按照每页1条记录显示共有多个页 $offset=($page-1)*$page_size; //变量表示下一页的记录数是从那条记录开始的 $query="select * from tb_zqlb where zq='".$zq."' order by id desc limit $offset ,$page_size "; $result=mysqli_query($conn,$query); while($myrow=mysqli_fetch_array($result)){ ?> <tr> <td width="51" height="30" align="center"><img src="timg.jpg" width="16" height="16"></td>  <td width="381" align="center" class="style1"><a href="luntanzhubannr.php?zhuti=<?php echo urlencode($myrow['zhuti']);?> &recid=<?php echo $myrow['id'];?>"><?php echo $myrow['zhuti'];?></a></td> <td width="79" align="center" class="style1"><a href="luntanzhubannr.php?zhuti=<?php echo urlencode($myrow['zhuti']);?> &recid=<?php echo $myrow['id'];?>"><?php echo $myrow['username'];?></a></td> <td width="76" align="center" class="style1"> <?php $quer="select count(*) as hfjl from tb_hflb where ljid='".$myrow['id']."'"; $resul=mysqli_query($conn,$quer); $row=mysqli_fetch_array($resul); $hfjl=$row['hfjl']; echo $hfjl; ?> /<?php echo $myrow['fwjl'];?> </td> <td width="135" align="center" class="style1"><?php echo $myrow['fbsj'];?></td> </tr> <?php } ?> </table> <table width="776" height="40" border="0" align="center" cellpadding="0" cellspacing="0" background="timg.jpg"> <tr> <td height="20" colspan="3"> </td> </tr> <tr> <td width="240" height="20"> </td> <td width="480"> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr class="style1"> <td width="40%">页次：<?php echo $page;?> /<?php echo $page_count;?>页记录：<?php echo $message_count;?>条</td> <td width="50%"> 分页： <a href='retie.php?zq=<?php echo urlencode($zq);?>&page=1'>首页</a> <?php if($page >= 2){ ?> <a href="retie.php?zq=<?php echo urlencode($zq);?>&page=<?php echo $page-1;?>" rel="external nofollow" >上一页</a> <?php } if($page < $page_count){ ?> <a href="retie.php?zq=<?php echo urlencode($zq);?>&page=<?php echo $page+1;?>" rel="external nofollow" >下一页</a> <?php } if($page <= $page_count){ ?> <a href="retie.php?zq=<?php echo urlencode($zq);?>&page=<?php echo $page_count;?>" rel="external nofollow" >尾页</a> <?php } ?> </td> </tr> </table></td> <td width="56"> </td> </tr> </table> <?php }else{ ?> <div align="center">无数据！</div> <?php } ?> <p> </p><p> </p><p> </p><p> </p> <div class="jumbotron text-center" > <p> <div id = "footer"> <dl> <dt><a href = "#">关于我们</a> || <a href = "#">产品目录</a> || <a href = "#">反馈问题</a> || <a href = "#">广告合作</a> || <a href = "#">联系我们</a></dt> <dd>Copyright © 2019 - 2024 donghe.com All Rights Reserverd <br/>东河公司版权所有京 ICP 备 200000000 号 </dd> </dl> </div> </p> </div>

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