How to implement message board function in php
This article mainly introduces the steps and methods to implement the message board function in PHP. Has very good reference value. Let’s take a look with the editor below
Simple PHP message board production
To make the basic message board function, you need three tables:
Employee table, message table, friend table
First create a login page:
<form action="drcl.php" method="post"> <p>帐号：<input type="text" name="zhang"/></p> <p>口令：<input type="text" name="mi"/></p> <input type="submit" value="登入"/> </form>
Above picture:
No need to say much, nothing wrong
Then write the processing page:
<?php
session_start();
//session存储数据
include ("db.class.php");
//引用类
$db = new db();
//造方法
$zhang = $_POST["zhang"];
$mi = $_POST["mi"];
$sql = "select mi from yuangong WHERE zhang = '{$zhang}'";
$arr = $db->Query($sql);
if(!empty($mi)&&$mi = $arr &&!empty($zhang))
{
$_SESSION["zhang"] = $zhang;
//即将跳转页面之前，把帐号存到session里面
header("location:zym.php");
}
else
{
echo "登入失败了";
}
?>The normal login page is just to save the account for a session
Log in and enter the main page
Then comes the main page:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>无标题文档</title>
</head>
<body>
<h1>留言板</h1>
<p><a href="fbym.php" rel="external nofollow" >发布信息</a></p>
<p><a href="ddrr.php" rel="external nofollow" rel="external nofollow" onclick=" return confirm('注销当前用户？')">注销登入</a></p>
<table border="1" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td>发件人</td>
<td>收件人</td>
<td>发布时间</td>
<td>内容</td>
</tr>
<?php
session_start();
//存储数据
if(empty($_SESSION["zhang"]))
{
header("location:ddrr.php");
//防止输入网址进入
exit;
}
$zhang = $_SESSION["zhang"];
include ("../db.class.php");
$db = new db();
$sql = "select name from yuangong WHERE zhang = '{$zhang}'";
$attr = $db->Query($sql);
//取到登入的name
echo "<h5>欢迎你：{$attr[0][0]}</h5>";
//输出登入的name
$sql = "select * from liuyan WHERE shou = '{$zhang}' or shou = 'all' ORDER BY times DESC ";
//条件！！我只看自己或所有人的
$arr = $db->Query($sql);
foreach ($arr as $v){
$shou = aname($v[2]);
$fa = aname($v[1]);
//用方法
echo "<tr>
<td>{$fa}</td>
<td>{$shou}</td>
<td>{$v[3]}</td>
<td>{$v[4]}</td>
</tr>";
}
//返回姓名
function aname($zhang)
{
global $db;
//设置全局变量！
if($zhang == "all")
{
//如果接收到的是all，显示：
return "所有人";
}
else
{
//如果是自己的，根据帐号查name
$sql = "select name from yuangong WHERE zhang ='{$zhang}' ";
$arr = $db->Query($sql);
//二维数组
return $arr[0][0];
}
}
?>
</table>
</body>
</html>The search condition is to only search for your friends or everyone of all
Also note that the calling db should be set as a global variable
Picture:
The message board needs to publish information:
Publish information page:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>无标题文档</title>
</head>
<body>
<h1>发布信息</h1>
<?php
session_start();
//存储数据
if(empty($_SESSION["zhang"]))
{
header("location:ddrr.php");
//防止输入网址进入
exit;
}
$zhang = $_SESSION["zhang"];
include ("../db.class.php");
$db = new db();
$shaoyou = "select * from firend WHERE me = '{$zhang}'";
$ahaoyou = $db->Query($shaoyou);
?>
<form action="fbcl.php" method="post">
<p> 接收人:
<select name="shou">
<option value="all">所有</option>
<?php
foreach ($ahaoyou as $v)
{
$name = aname($v[2]);
echo "<option value='{$v[2]}'>{$name}</option>";
}
?>
</select></p>
<br/>
<p>留言内容: <input type="text" name="lynr"/></p>
<br/>
<input type="submit" value="发送"/>
<input type="reset" value="清空"/>
</form>
<?php
function aname($zhang)
{
global $db;
//设置全局变量！
if($zhang == "all")
{
//如果接收到的是all，显示：
return "所有人";
}
else
{
//如果是自己的，根据帐号查name
$sql = "select name from yuangong WHERE zhang ='{$zhang}' ";
$arr = $db->Query($sql);
//二维数组
return $arr[0][0];
}
}
?>
<a href="zym.php" rel="external nofollow" >查看信息</a>
<a href="ddrr.php" rel="external nofollow" rel="external nofollow" onclick="return confirm('确定要退出此帐号？')">注销登入</a>
</body>
</html>##The last is the processing page for publishing information:
<?php
session_start();
$uid = $_SESSION["zhang"];
include("../db.class.php");
$db = new db();
$jsr = $_POST["shou"];
$neirong = $_POST["lynr"];
$sj = date("Y-m-d H:i:s");
$sql = "insert into liuyan values('','{$uid}','{$jsr}','{$sj}','{$neirong}',0)";
if($db->Query($sql,0))
{
header("location:zym.php");
}
else
{
echo "发布失败！";
}
php implements message boardfunction based on session control
Example of using js to implement Message Board (code provided)
Based on thinkPHP framework to implement Message BoardMethods
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