This article mainly introduces the case of php to implement message board function and session control in detail. It has certain reference value. Interested friends can refer to it.

The examples in this article are shared with everyone. The specific code of the php message board function is for your reference. The specific content is as follows

Three tables used in the database

##1. Login interface (denglu.php login.php)

##1.denglu.php

     
  
开发部内部留言板
 
 
用户名：
 
口令：
   
  

2.login.php

query($sql); if(count($arr)) { if($arr[0][0] == $PassWord && !empty($PassWord)) { //存储用户名 $_SESSION["UserName"] = $UserName; header("location:main.php"); } } else { header("location:denglu.php"); }

1.main.php

     
   
 发布信息 退出系统 


 
留言信息：
 query($sql); foreach($arr as $v) { echo ""; } ?> 
 
 
发送人
 
发送时间
 
接收人
 
信息内容
 
 
 
{$v[1]}
 
{$v[3]}
 
{$v[2]}
 
{$v[4]}
 
  

2 .tuichu.php

        

         Copy after login
        
       

##3. Send page (fabu.php fabuchuli.php)

1.fabu.php

     
  
 查看信息 退出系统 
 
信息发送：
 
 
接收人：  所有人 query($sql); foreach($arr as $v) { echo "{$v[1]}"; } //方法二 /*$sql = "select Friend from friend where Me ='{$UserName}'"; $arr = $db->query($sql); foreach($arr as $v) { $v[0]; $sname = "select Name from yuangong where UserName = '{$v[0]}'"; $aname = $db->query($sname); echo"{$aname[0][0]}"; }*/ ?> 
 
信息内容：
   
  

query($sql,0); header("location:fabu.php");

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