1.做一个登录页面login.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>
<form action="loginchuli.php" method="post">
<div>用户名：<input type="text" name="uid" /></div>
<div>密码：<input type="password" name="pwd" /></div>
<input type="submit" value="登录" />
</form>
</body>
</html>
2.登录处理页面loginchuli.php
<?php
session_start();
include("../DBDA.class.php");
$db = new DBDA();
$uid=$_POST["uid"];
$pwd=$_POST["pwd"];
$sql = "select pwd from users where uid=‘{$uid}‘";
$mm = $db->StrQuery($sql);
if($mm==$pwd && $pwd!="")
{
$_SESSION["uid"] = $uid;
header("location:main.php");
}
else
{
echo "登录失败";
}
3.主页面，显示登陆者有的功能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>
<style type="text/css">
*{ margin:0px auto; padding:0px}
.list{ width:100px; height:35px; background-color:#66C; color:white; text-align:center; line-height:35px; vertical-align:middle; float:left}
</style>
</head>
<?php
session_start();
include("../DBDA.class.php");
$db = new DBDA();
if(empty($_SESSION["uid"]))//防止不经过登录直接打开主页面
{
header("location:login.php");
exit;
}
$uid = $_SESSION["uid"];//用session存登录名
?>
<body> <div style="width:100%; height:35px">
<?php
//根据用户名查角色代号
$sjuese = "select jueseid from userinjuese where userid=‘{$uid}‘";//一个用户名可能对应多个角色代号
$ajuese = $db->Query($sjuese);
//根据角色代号查功能
$attr = array();
foreach($ajuese as $v)
{
$sgn = "select ruleid from juesewithrules where jueseid=‘{$v[0]}‘";//一个角色代号可能对应多个功能，查到这些功能的代号。
$agn = $db->Query($sgn);
$attr = array_merge($attr,$agn);//把查到数组就合并在一起
}
$attr = array_unique($attr,SORT_REGULAR);//对功能代号进行去重
foreach($attr as $v)
{
$sname = "select name from rules where code=‘{$v[0]}‘";//根据功能代号查出功能的名字
$name = $db->StrQuery($sname);
echo "<div class=‘list‘>{$name}</div>";
}
?>
</div> </body> </html>
时间： 2024-08-28 15:35:11