


PHP site-wide authority verification code example:
- html>
- head> title> e
- /title >
- /head>
- body>
-
form action="login.php"
method="POST" >
User:
- input type="text"
name= "username"> - br>
Password:
- input type="password"
name="password"> -
input type ="Submit"
value ="确定"> -
input type ="reset"
value ="取消"> - /form>
- /body>
- /html>
----------------conn.php--------------------------
- ?php
- $host='127.0.0.1';
- $mysql_user='root';
- $mysql_password='qeephp';
- $mydb='learn';
-
$link = mysql_connect($host,
$mysql_user , $mysql_password) - or die("无法连接数据库: "
. mysql_error()); - mysql_select_db($mydb);
- ?>
----------------------------login.php------------------
<ol class="dp-xml"> <li class="alt"><span><span class="tag"><span> ? </span></span></span></li> <li> <span>$</span><span class="attribute">username</span><span>=$_POST['username']; </span> </li> <li class="alt"> <span>$</span><span class="attribute">password</span><span>=$_POST['password']; </span> </li> <li> <span>if ($</span><span class="attribute">username</span><span>==""){ </span> </li> <li class="alt"> <span>echo "</span><span class="tag"><span> </span><span class="tag-name">script</span><span> </span><span class="attribute">language</span><span>=</span><span class="attribute-value">'javascript'</span><span class="tag">></span><span> <br>alert('非法操作!'); </span><span class="attribute">location.href</span><span>=<br></span><span class="attribute-value">'index.php'</span><span>; </span><span class="tag"><span> /script</span><span class="tag">></span><span>"; </span></span></span> </li> <li><span>exit; </span></li> <li class="alt"><span>} </span></li> <li><span>require_once("conn.php"); </span></li> <li class="alt"> <span>$</span><span class="attribute">sql</span><span>=</span><span class="attribute-value">"SELECT * FROM admin where<br> username='$username'"</span><span>; </span> </li> <li> <span>$</span><span class="attribute">result</span><span>=</span><span class="attribute-value">mysql_query</span><span>($sql); </span> </li> <li class="alt"> <span>$</span><span class="attribute">row</span><span>=</span><span class="attribute-value">mysql_fetch_array</span><span>($result); </span> </li> <li><span>if ($row['username']==""){ </span></li> <li class="alt"> <span>echo "</span><span class="tag"><span> </span><span class="tag-name">script</span><span> </span><span class="attribute">language</span><span>=</span><span class="attribute-value">'javascript'</span><span class="tag">></span><span> <br>alert('用户名有误!'); </span><span class="attribute">location.href</span><span>=<br></span><span class="attribute-value">'index.php'</span><span>; </span><span class="tag"><span> /script</span><span class="tag">></span><span>"; </span></span></span> </li> <li><span>exit; </span></li> <li class="alt"><span>}else if ($row['password']!=$password){ </span></li> <li> <span>echo "</span><span class="tag"><span> </span><span class="tag-name">script</span><span> </span><span class="attribute">language</span><span>=</span><span class="attribute-value">'javascript'</span><span class="tag">></span><span> <br>alert('密码有误!'); </span><span class="attribute">location.href</span><span>=</span><span class="attribute-value">'index<br>.php'</span><span>; </span><span class="tag"><span> /script</span><span class="tag">></span><span>"; </span></span></span> </li> <li class="alt"><span>echo "密码有误"; </span></li> <li><span>exit; </span></li> <li class="alt"><span>}else{ </span></li> <li><span>session_start(); </span></li> <li class="alt"><span>$_SESSION['user']=$username; </span></li> <li> <span>echo "</span><span class="tag"><span> </span><span class="tag-name">script</span><span> </span><span class="attribute">language</span><span>=</span><span class="attribute-value">'javascript'</span><span class="tag">></span><span> <br>alert('登陆成功!'); </span><span class="attribute">location.href</span><span>=<br></span><span class="attribute-value">'list.php'</span><span>; </span><span class="tag"><span> /script</span><span class="tag">></span><span>"; </span></span></span> </li> <li class="alt"><span>} </span></li> <li> <span class="tag">?></span><span> </span> </li> </ol>
------------------check.php--------------------
<ol class="dp-xml"> <li class="alt"><span><span class="tag"><span> ? </span></span></span></li> <li><span>session_start(); </span></li> <li class="alt"><span>if(! isset($_SESSION['user'])) </span></li> <li><span>{ </span></li> <li class="alt"> <span>echo "</span><span class="tag"><span> </span><span class="tag-name">script</span><span> </span><span class="attribute">language</span><span>=</span><span class="attribute-value">'javascript'</span><span class="tag">></span><span> <br>alert('非法操作!'); </span><span class="attribute">location.href</span><span>=<br></span><span class="attribute-value">'index.php'</span><span>; </span><span class="tag"><span> /script</span><span class="tag">></span><span>"; </span></span></span> </li> <li><span>exit; </span></li> <li class="alt"><span>}else{ </span></li> <li><span>echo "欢迎".$_SESSION['user']<br>."登录系统"; </span></li> <li class="alt"><span>} </span></li> <li> <span class="tag">?></span><span> </span> </li> </ol>
---------------------list.php-----------------
<ol class="dp-xml"> <li class="alt"><span><span class="tag"><span> ? </span></span></span></li> <li><span>include 'check.php'; </span></li> <li class="alt"> <span class="tag">?></span><span> </span> </li> <li><span class="tag"><span> </span><span class="tag-name">html</span><span class="tag">></span><span> </span></span></li> <li class="alt"><span class="tag"><span> </span><span class="tag-name">head</span><span class="tag">></span><span> </span></span></li> <li><span class="tag"><span> </span><span class="tag-name">script</span><span> </span><span class="attribute">type</span><span>=</span><span class="attribute-value">"text/javascript"</span><span> <br></span><span class="attribute">src</span><span>=</span><span class="attribute-value">"player/swfobject.js"</span><span class="tag">></span><span class="tag"><span> /script</span><span class="tag">></span><span> </span></span></span></li> <li class="alt"><span class="tag"><span> /head</span><span class="tag">></span><span> </span></span></li> <li><span class="tag"><span> </span><span class="tag-name">body</span><span class="tag">></span><span> </span></span></li> <li class="alt"><span class="tag"><span> </span><span class="tag-name">h3</span><span class="tag">></span><span>单个文件播放:</span><span class="tag"><span> /h3</span><span class="tag">></span><span> </span></span></span></li> <li><span class="tag"><span> </span><span class="tag-name">p</span><span> </span><span class="attribute">id</span><span>=</span><span class="attribute-value">"player1"</span><span class="tag">></span><span class="tag"><span> </span><span class="tag-name">a</span><span> </span><span class="attribute">href</span><span>=</span><span class="attribute-value">"<br>http://www.macromedia.com/go/<br>getflashplayer"</span><span class="tag">></span><span>获取播放器</span><span class="tag"><span> /a</span><span class="tag">></span><span> 观看电影</span><span class="tag"><span> /p</span><span class="tag">></span><span> </span></span></span></span></span></li> <li class="alt"><span class="tag"><span> </span><span class="tag-name">script</span><span> </span><span class="attribute">type</span><span>=</span><span class="attribute-value">"text/javascript"</span><span class="tag">></span><span> </span></span></li> <li> <span>var </span><span class="attribute">s1</span><span> = </span><span class="attribute-value">new</span><span> SWFObject("player/<br>flvplayer.swf","single","300","170","7"); </span> </li> <li class="alt"><span>s1.addParam("allowfullscreen","true"); </span></li> <li><span>s1.addVariable("file","player/ad.flv"); </span></li> <li class="alt"><span>s1.addVariable("image","player/preview.jpg"); </span></li> <li><span>s1.addVariable("width","300"); </span></li> <li class="alt"><span>s1.addVariable("height","170"); </span></li> <li><span>s1.write("player1"); </span></li> <li class="alt"><span class="tag"><span> /script</span><span class="tag">></span><span> </span></span></li> <li><span class="tag"><span> </span><span class="tag-name">h3</span><span class="tag">></span><span>playlist file, with different <br>colors:</span><span class="tag"><span> /h3</span><span class="tag">></span><span> </span></span></span></li> <li class="alt"><span class="tag"><span> </span><span class="tag-name">p</span><span> </span><span class="attribute">id</span><span>=</span><span class="attribute-value">"player2"</span><span class="tag">></span><span class="tag"><span> </span><span class="tag-name">a</span><span> </span><span class="attribute">href</span><span>=</span><span class="attribute-value">"http:<br>//www.macromedia.com/go/getflashplayer"</span><span class="tag">><br></span><span>Get the Flash Player</span><span class="tag"><span> /a</span><span class="tag">></span><span> to see this player.</span><span class="tag"><span> /p</span><span class="tag">></span><span> </span></span></span></span></span></li> <li><span class="tag"><span> </span><span class="tag-name">script</span><span> </span><span class="attribute">type</span><span>=</span><span class="attribute-value">"text/javascript"</span><span class="tag">></span><span> </span></span></li> <li class="alt"> <span>var </span><span class="attribute">s2</span><span> = </span><span class="attribute-value">new</span><span> SWFObject("player/flvplayer<br>.swf","playlist","300","312","7"); </span> </li> <li><span>s2.addParam("allowfullscreen","true"); </span></li> <li class="alt"><span>s2.addVariable("file","player/playlist.xml"); </span></li> <li><span>s2.addVariable("displayheight","200"); </span></li> <li class="alt"><span>s2.addVariable("backcolor","0x000000"); </span></li> <li><span>s2.addVariable("frontcolor","0xCCCCCC"); </span></li> <li class="alt"><span>s2.addVariable("lightcolor","0x557722"); </span></li> <li><span>s2.addVariable("width","300"); </span></li> <li class="alt"><span>s2.addVariable("height","312"); </span></li> <li><span>s2.write("player2"); </span></li> <li class="alt"><span class="tag"><span> /script</span><span class="tag">></span><span> </span></span></li> <li><span class="tag"><span> /body</span><span class="tag">></span><span> </span></span></li> <li class="alt"><span class="tag"><span> /html</span><span class="tag">></span><span> </span></span></li> </ol>
--------------------logout.php-------------------------
<ol class="dp-xml"> <li class="alt"><span><span class="tag"><span> ?php </span></span></span></li> <li><span>unset($_SESSION['user']); </span></li> <li class="alt"><span>unset($_SESSION['password']); </span></li> <li><span>echo "注销成功"; </span></li> <li class="alt"> <span class="tag">?></span><span> </span> </li> </ol>
以上就是PHP全站权限验证的具体实现方法。

Apple在周二推出了iOS17.4更新,为iPhone带来了一系列新功能和修复。这次更新包括了全新的表情符号,同时欧盟用户也能够下载其他应用商店。此外,更新还加强了对iPhone安全性的控制,引入了更多的「失窃设备保护」设置选项,为用户提供更多选择和保障。"iOS17.3首次引入了“失窃设备保护”功能,为用户的敏感资料增加了额外的安全保障。当用户不在家等熟悉地点时,该功能要求用户首次输入生物特征信息,并在一小时后再次输入信息才能访问和更改某些数据,如修改AppleID密码或关闭失窃设备保护功能

对比SpringBoot与SpringMVC,了解它们的差异随着Java开发的不断发展,Spring框架已经成为了许多开发人员和企业的首选。在Spring的生态系统中,SpringBoot和SpringMVC是两个非常重要的组件。虽然它们都是基于Spring框架的,但在功能和使用方式上却有一些区别。本文将重点对比一下SpringBoot与Sprin

WordPress网站搭建指南:快速搭建个人网站随着数字化时代的到来,拥有一个个人网站已经成为了一种时尚和必要。而WordPress作为最受欢迎的网站搭建工具,让搭建个人网站变得更加容易和便捷。本文将为大家提供一个快速搭建个人网站的指南,包含具体的代码示例,希望可以帮助到想要拥有自己网站的朋友们。第一步:购买域名和主机在开始搭建个人网站之前,首先要购买自己

Vue3是目前前端界最热门的框架之一,而Vue3的生命周期函数是Vue3中非常重要的一部分。Vue3的生命周期函数可以让我们实现在特定的时机触发特定的事件,增强了组件的高度可控性。本文将从Vue3的生命周期函数的基本概念、各个生命周期函数的作用和使用方法以及实现案例等方面进行详细探究和讲解,帮助读者快速掌握Vue3的生命周期函数。一、Vue3的生命周期函数的

电脑怎么切屏?在使用电脑的时候,有的朋友会使用两个甚至三个显示屏,但是在使用的时候,就会遇到需要切换屏幕的问题,那么电脑怎么切屏呢?一些朋友不知道电脑快速切屏方法,所以本期将教大家win10电脑怎么快速切屏。win10电脑怎么快速切屏?具体的方法如下:1、外接显示屏以后,同时按下【Fn】+【F4】或者【win】+【P】即可选择外接显示器。2、第二种方法是,在桌面空白处鼠标右键,然后选择【屏幕分辨率】。3、然后在【多显示器】中,就能够切换屏幕了。以上就是小编带来的win10电脑怎么快速切屏的全部内

win7如何快速截屏?win7系统之中有着很多便捷操作功能,可以为各位提供非常多样化的便捷服务。很多win7系统的用户在使用电脑的过程中,想要通过win7系统之中的快捷键进行截屏,但是却不清楚具体的快捷键是哪些,因此无法正常使用,那么,这些快捷截屏键究竟是哪些呢?下面小编就为各位带来win7快速截屏键介绍。win7快速截屏键介绍1、按Prtsc键截图这样获取的是整个电脑屏幕的内容,按Prtsc键后,可以直接打开画图工具,接粘贴使用。也可以粘贴在QQ聊天框或者Word文档中,之后再选择保存即可。2

效率提升!PyCharm中快速注释代码的方法分享在日常的软件开发工作中,我们经常需要注释掉一部分代码进行调试或者调整。如果手动逐行添加注释,这无疑会增加我们的工作量和耗费时间。而PyCharm作为一款强大的Python集成开发环境,提供了快速注释代码的功能,大大提升了我们的开发效率。本文将分享一些在PyCharm中快速注释代码的方法,并提供具体的代码示例。单

sessionStorage在前端开发中的优势与应用案例分析随着Web应用的发展,前端开发的需求也越来越多样化。前端开发人员需要使用各种工具和技术来提高用户体验,其中,sessionStorage是一个非常有用的工具。本文将介绍sessionStorage在前端开发中的优势,以及几个具体的应用案例。sessionStorage是HTML5提供的一种本地存储方


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

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Dreamweaver CS6
Visual web development tools

ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment

Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool
