About the implementation of using php message board function
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
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> </head> <body> <h1>开发部内部留言板</h1> <form action="login.php" method="post"> <p>用户名：<input type="text" name="UserName" /></p> <p>口令：<input type="password" name="PassWord" /></p> <input type="submit" value="登录" /> <a href="denglu.php" style="text-decoration:none"><input type="button" value="复位" /></a> </form> </body> </html>
2.login.php
<?php
session_start();
$UserName = $_POST["UserName"];
$PassWord = $_POST["PassWord"];
require "DBDA.class1.php";
$db = new DBDA();
$sql = "select PassWord from yuangong where UserName = '{$UserName}'";
$arr = $db->query($sql);
if(count($arr))
{
if($arr[0][0] == $PassWord && !empty($PassWord))
{
//存储用户名
$_SESSION["UserName"] = $UserName;
header("location:main.php");
}
}
else
{
header("location:denglu.php");
}
1.main.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<?php
session_start();
// 防止绕过登陆直接进入主界面
if(empty($_SESSION["UserName"]))
{
header("location:denglu.php");
exit;
}
require "DBDA.class1.php";
$db = new DBDA();
$UserName = $_SESSION["UserName"];
?>
<p>
<a href="fabu.php">发布信息</a>
<a href="tuichu.php">退出系统</a>
</p><br /><br />
<h1>留言信息：</h1>
<table width="100%" border="1" >
<tr>
<td>发送人</td>
<td>发送时间</td>
<td>接收人</td>
<td>信息内容</td>
</tr>
<?php
//显示接收者是我的，或者是所有人的
$sql = "select * from liuyan where Recever='{$UserName}' or Recever='suoyou'";
$arr = $db->query($sql);
foreach($arr as $v)
{
echo "<tr>
<td>{$v[1]}</td>
<td>{$v[3]}</td>
<td>{$v[2]}</td>
<td>{$v[4]}</td>
</tr>";
}
?>
</table>
</body>
</html>2 .tuichu.php
<?php
session_start();
unset($_SESSION["UserName"]);
header("location:denglu.php");##3. Send page (fabu.php fabuchuli.php)
1.fabu.php
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<p>
<a href="main.php">查看信息</a>
<a href="tuichu.php">退出系统</a>
</p>
<h1>信息发送：</h1>
<form action="fabuchuli.php" method="post">
<p>接收人：
<select name="jsr">
<option value="suoyou">所有人</option>
<?php
session_start();
$UserName = $_SESSION["UserName"];
require"DBDA.class1.php";
$db = new DBDA();
//方法一
$sql = "select friend.Friend,yuangong.Name from friend,yuangong where friend.Friend = yuangong.UserName and friend.Me = '{$UserName}'";
$arr = $db->query($sql);
foreach($arr as $v)
{
echo "<option value='{$v[0]}'>{$v[1]}</option>";
}
//方法二
/*$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"<option value='{$v[0]}'>{$aname[0][0]}</option>";
}*/
?>
</select></p>
<p>信息内容：<textarea name="neirong"></textarea></p>
<input type="submit" value="发送" />
<a href="fabu.php" style="text-decoration:none"><input type="button" value="复位" /></a>
</form>
</body>
</html><?php
session_start();
$UserName = $_SESSION["UserName"];
$jsr = $_POST["jsr"];
$nr = $_POST["neirong"];
$Times = date("Y-m-d H:i:s");
require"DBDA.class.php";
$db = new DBDA();
$sql = "insert into liuyan values('','{$UserName}','{$jsr}','{$Times}','{$nr}')";
$db->query($sql,0);
header("location:fabu.php");Use PHP to implement the payment function of Alipay on the mobile APP
About native php to implement excel file reading How to write
The above is the detailed content of About the implementation of using php message board function. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1669
14
1428
52
1329
25
1273
29
1256
24
PHP: A Key Language for Web Development
Apr 13, 2025 am 12:08 AM
PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7
PHP vs. Python: Understanding the Differences
Apr 11, 2025 am 12:15 AM
PHP and Python each have their own advantages, and the choice should be based on project requirements. 1.PHP is suitable for web development, with simple syntax and high execution efficiency. 2. Python is suitable for data science and machine learning, with concise syntax and rich libraries.
PHP and Python: Comparing Two Popular Programming Languages
Apr 14, 2025 am 12:13 AM
PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.
PHP in Action: Real-World Examples and Applications
Apr 14, 2025 am 12:19 AM
PHP is widely used in e-commerce, content management systems and API development. 1) E-commerce: used for shopping cart function and payment processing. 2) Content management system: used for dynamic content generation and user management. 3) API development: used for RESTful API development and API security. Through performance optimization and best practices, the efficiency and maintainability of PHP applications are improved.
The Enduring Relevance of PHP: Is It Still Alive?
Apr 14, 2025 am 12:12 AM
PHP is still dynamic and still occupies an important position in the field of modern programming. 1) PHP's simplicity and powerful community support make it widely used in web development; 2) Its flexibility and stability make it outstanding in handling web forms, database operations and file processing; 3) PHP is constantly evolving and optimizing, suitable for beginners and experienced developers.
PHP and Python: Different Paradigms Explained
Apr 18, 2025 am 12:26 AM
PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.
PHP vs. Other Languages: A Comparison
Apr 13, 2025 am 12:19 AM
PHP is suitable for web development, especially in rapid development and processing dynamic content, but is not good at data science and enterprise-level applications. Compared with Python, PHP has more advantages in web development, but is not as good as Python in the field of data science; compared with Java, PHP performs worse in enterprise-level applications, but is more flexible in web development; compared with JavaScript, PHP is more concise in back-end development, but is not as good as JavaScript in front-end development.
PHP and Python: Code Examples and Comparison
Apr 15, 2025 am 12:07 AM
PHP and Python have their own advantages and disadvantages, and the choice depends on project needs and personal preferences. 1.PHP is suitable for rapid development and maintenance of large-scale web applications. 2. Python dominates the field of data science and machine learning.
