PHP实现简单的留言板功能-php教程-PHP中文网

这篇文章主要教大家如何简单实现PHP留言板功能，具有一定的参考价值，感兴趣的小伙伴们可以参考一下

本文实例为大家分享了PHP留言板功能的具体实现代码，供大家参考，具体内容如下

HTML代码

<p class="continer" >
  <p class="head" style="background-color:rgb(217,237,247);height:50px;vertical-align:middle"><h2 style="color: rgb(81,117,114)">PHP留言本</h2></p>
  <p class="body">
    <volist name="guestbook" id="vo">
      <p class="panel">
        <p class="panel-head" style="background-color: rgb(223,240,216)">
          <span class="nickname" style="color: rgb(104,148,99)">留言者: {$vo.nickname}</span>
          <span style="color: rgb(104,148,99)">|</span>
          <span class="email" style="color: rgb(104,148,99)">邮箱: {$vo.email}</span>
          <span class="time" style="float: right;color: rgb(104,148,99)">时间: {$vo.replytime}</span>
        </p>
        <p class="panel-body">
          <span class="content">内容: {$vo.content}</span>
          <span class="time" style="float: right">{$vo.id}楼</span>
        </p>
      </p>
    </volist>
  </p>
  <p class="foot">
    <form method="post">
      <p class="panel" style="background-color: rgb(245,245,245)">
        <p class="panel-body" style="padding:30px; width: 20%">
          <p class="form-group">
            <p class="field field-icon-right">
              <input id="nickname" type="text" class="input" name="nickname" placeholder="游客姓名"/>
            </p>
          </p>
          <p class="form-group">
            <p class="field field-icon-right">
              <input type="text" id="content" class="input" name="content" placeholder="留言内容"/>
            </p>
          </p>
          <p class="form-group">
            <span></span>
            <span class="field">
              <input type="text" id="email" class="input" name="email" placeholder="Email"/>
            </span>
          </p>
          <p class="form-group">
            <span><button name="liuyan">留言</button></span>
            <span><button name="restart" onclick="clearDefaultText(this)">重置</button></span>
          </p>
        </p>

      </p>
    </form>
  </p>
</p>
<script>
function clearDefaultText(){
  var nickname = document.getElementById('nickname');
  var content = document.getElementById('content');
  var email = document.getElementById('email');
  nickname.value="";
  content.value="";
  email.value="";
}
</script>

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PHP代码

public function hierarchicalauthority(){

 if(isset($_POST['liuyan']))
 {
  $data['nickname']=$_POST['nickname'];
  $data['content']=$_POST['content'];
  $data['email']=$_POST['email'];
  $data['status']=1;
  $data['replytime']=date('Y-m-d H:i:s',time());
  // print_r($data);die();
  $user=M('daili_liuyan_guestbook');
  $maxid=$user->max('id');
  $data['id']=$maxid+1;
  $user->add($data);


 // print_r($_POST);die();
 }
 $guestbook = D('daili_liuyan_guestbook')->select();
 $this->assign('guestbook',$guestbook);
 $this->display();
}

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数据表：(表名为daili_liuyan_guestbook)