首页 index.php
<?php
header(‘content-type:text/html;charset=utf-8‘);
/*
*
* 邮件系统实例
*
*/
require ‘conn.inc.php‘;//加载连接数据库配置
//如果没有登录 就去登录页面
if(!(isset($_SESSION[‘islogin‘]) && $_SESSION[‘islogin‘]===1)){
header("Location:login.php");
}
echo "你好:".$_SESSION[‘username‘]."<a href=‘logout.php‘>退出</a>";
if($_SESSION[‘allow_1‘] ==1 ){
echo ‘你有1这个权限！<br/>‘;
}
if($_SESSION[‘allow_2‘] ==1 ){
echo ‘你有2这个权限！<br/>‘;
}
if($_SESSION[‘allow_3‘] ==1 ){
echo ‘你有2这个权限！<br/>‘;
}
$query = "select id,uid,title,ptime,mbody from email where uid=?";
$stmt = $pdo->prepare($query);
$stmt->execute(array($_SESSION[‘id‘]));
$data = $stmt->fetchAll(PDO::FETCH_ASSOC);
echo "你有".$stmt->rowCount()."封邮件<br/>";
echo ‘<table border="1" width="800" align="center">‘;
foreach ($data as $value){
echo ‘<tr align="center">‘;
echo ‘<td>‘.$value[‘id‘].‘</td>‘;
echo ‘<td>‘.$value[‘title‘].‘</td>‘;
echo ‘<td>‘.$value[‘ptime‘].‘</td>‘;
echo ‘<td>‘.$value[‘mbody‘].‘</td>‘;
echo ‘</tr>‘;
}
echo ‘</table>‘;
登录页面login.php
<?php
//处理登录
if(isset($_POST[‘dosubmit‘])){
include ‘conn.inc.php‘;
//到数据库查找用户输入的是否正确
$query = "select id, username, allow_1,allow_2,allow_3 from user where username = ? and password =?";
$stmt = $pdo->prepare($query);
$stmt ->execute(array($_POST[‘username‘],$_POST[‘password‘]));
if($stmt->rowCount()>0){
//将用户信息一次性放到session中
$_SESSION=$stmt->fetch(PDO::FETCH_ASSOC);
//加登录标记
$_SESSION[‘islogin‘] = 1;
header("Location:index.php");
}
}
?>
<html>
<head>
<title>PHP study</title>
<meta http-equiv="content-type" content="text/html;charset=utf-8"/>
<script type="text/javascript" >
<!--
//-->
</script>
</head>
<body >
<h1>邮件登录系统</h1>
<form action="login.php" method="post">
用户名:<input type="text" name="username" /><br />
密码:<input type="password" name="password" /><br />
<input type="submit" name="dosubmit" value="登录邮件" />
</form>
</body>
</html>
数据库连接配置文件conn.inc.php
<?php
include ‘config.php‘;
try{
$pdo = new PDO(DSN, DBUSER,DBPWD);
}catch(PDOException $e){
echo "数据库连接失败:".$e->getMessage();
exit;
}
配置文件config.php
<?php const DSN = ‘mysql:host=localhost;dbname=test‘; const DBUSER = ‘root‘; const DBPWD = ‘root‘; header(‘content-type:text/html;charset=utf-8‘); session_start();//开启会话
数据库设计 user表
create table user( id int(11) not null primary key auto_increment, username varchar(50) not null, password char(32) not null, email varchar(80) not null, allow_1 smallint(6) not null default 0, allow_2 smallint(6) not null default 0, allow_3 smallint(6) not null default 0 ); insert into user(username,password,email,allow_1,allow_2,allow_3) values(‘xiaowang1‘,‘1234‘,‘[email protected]‘,0,0,0); insert into user(username,password,email,allow_1,allow_2,allow_3) values(‘xiaowang2‘,‘1234‘,‘[email protected]‘,0,0,0); insert into user(username,password,email,allow_1,allow_2,allow_3) values(‘xiaowang3‘,‘1234‘,‘[email protected]‘,0,0,0); insert into user(username,password,email,allow_1,allow_2,allow_3) values(‘xiaowang4‘,‘1234‘,‘[email protected]‘,0,0,0); insert into user(username,password,email,allow_1,allow_2,allow_3) values(‘xiaowang5‘,‘1234‘,‘[email protected]‘,0,0,0); insert into user(username,password,email,allow_1,allow_2,allow_3) values(‘xiaowang6‘,‘1234‘,‘[email protected]‘,0,0,0);
数据库设计 email表
create table email( id int not null auto_increment , uid int not null default 0, title varchar(80) not null default ‘ ‘, ptime int not null default 0, mbody text, primary key(id) ); insert into email(uid,title,ptime,mbody) values(1,‘wo‘,1222333,‘I am a boy‘); insert into email(uid,title,ptime,mbody) values(1,‘wos‘,1222333,‘I am a boy‘); insert into email(uid,title,ptime,mbody) values(1,‘wo1‘,1222333,‘I am a boy‘); insert into email(uid,title,ptime,mbody) values(1,‘wo2‘,1222333,‘I am a boy‘); insert into email(uid,title,ptime,mbody) values(2,‘2wo‘,1222333,‘I am a boy‘); insert into email(uid,title,ptime,mbody) values(2,‘2wos‘,1222333,‘I am a boy‘); insert into email(uid,title,ptime,mbody) values(2,‘2wo1‘,1222333,‘I am a boy‘); insert into email(uid,title,ptime,mbody) values(2,‘2wo2‘,1222333,‘I am a boy‘); insert into email(uid,title,ptime,mbody) values(3,‘3wo‘,1222333,‘I am a boy‘); insert into email(uid,title,ptime,mbody) values(3,‘3wos‘,1222333,‘I am a boy‘); insert into email(uid,title,ptime,mbody) values(3,‘3wo1‘,1222333,‘I am a boy‘); insert into email(uid,title,ptime,mbody) values(3,‘3wo2‘,1222333,‘I am a boy‘);
时间： 2024-12-30 19:42:13