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PHP实现权限管理功能的方法

一个新手

Lepaskan： 2023-03-16 12:18:01

asal

3213 orang telah melayarinya

权限管理系统，它主要是为了给不同的用户设定不同的权限，从而实现不同权限的用户登录之后使用的功能不一样。

首先先看下数据库

总共有5张表，users,roles和roleswork 3张表与另外2张表形成"w"型的关系，也是比较常见的一种权限数据库的方式，首先先做权限的设定，也就是管理层给不同用户设定不同权限。

1.管理员页面RBAC.php

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>权限管理</title>
        <script src="bootstrap/js/jquery-1.11.2.min.js"></script>        
    </head>
    <body>    
        <h2>用户与角色管理</h2>
        <p><select id="user">
            <? "./DBDA.class.php" =  = "select * from users" = ->query(,0(   "<option value=&#39;{[0]}&#39;>{[2]}</option>"?>
        </select>
        </p>    
        <br />
        <p><? = "select * from roles" = ->query(,0(   "<input type=&#39;checkbox&#39; class=&#39;ck&#39; value=&#39;{[0]}&#39;>{[1]}"?>
        </p>
        <br />
        <input type="button"  value="确认" id="btn"/>
    </body>
    <script>"#user").change("#btn").click( uid = $("#user"). ck = $(".ck" role = "";
            (i=0;i<ck.length;i++ v = ck.eq(i).(ck.eq(i).prop("checked"+= ck.eq(i).val()+"|".:"POST",:"RBbtnchuli.php",:{uid:uid,role:role},:"TEXT",:"修改成功!" uid = $("#user")..:"RBchuli.php",:{uid:uid},:"POST",:"TEXT",: role = data.("|" ck = $(".ck".prop("checked",(i=0;i<ck.length;i++ v = ck.eq(i).(role.indexOf(v)>=0.eq(i).prop("checked",</script>
</html>

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2.做管理员的处理页面RBchuli.php

<?php
$uid = $_POST["uid"];
    require_once "./DBDA.class.php";
    $db = new DBDA();
    $sql = "select rolesuid from users_roles where usersuid=&#39; {
    $uid
}
&#39;";
    echo $db->StrQuery($sql,0);

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保存角色信息的处理页面RBbtnchuli.php

<?php
$uid = $_POST["uid"];
$role = $_POST["role"];//字符串
$role = substr($role,0,strlen($role)-1);
$arr = explode("|", $role);
require_once "./DBDA.class.php";
$db = new DBDA();
//删除
$sdel = "delete from users_roles where usersuid=&#39;{$uid}&#39;";
$db->query($sdel);
//添加
foreach($arr as $v){
	$sql = "insert into users_roles values(0,&#39;{$uid}&#39;,&#39;{$v}&#39;)";
	$db->query($sql);
}

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效果如图：

接下来做的是登录某个账号，查看自己的职能

3.用户登录页面RBlogin.php

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <script src="bootstrap/js/jquery-1.11.2.min.js"></script>
        <script src="bootstrap/js/bootstrap.min.js"></script>
        <link href="bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css"/>
    </head>
    <style>
        .title{
            margin-left: 600px;
            margin-top: 150px;
        }        .quanju{
            margin-left: 450px;
            margin-top: -180px;
        }        .name,.pwd{            
        max-width: 120px;
        }        .yangshi1{
            margin-top: 200px;
        }    </style>
    <body>        
<form class="form-horizontal" role="form" action="RBloginchuli.php" method="post">
    <h3 class="title">用户登录</h3>
    <p class="quanju">
            <p class="form-group yangshi1">
                <label for="firstname" class="col-sm-2 control-label">用户名:</label>
                <p class="col-sm-10">
                    <input type="text" class="form-control name" name="uid" placeholder="请输入用户名">
                </p>
            </p>
            <p class="form-group yangshi2">
                <label for="lastname" class="col-sm-2 control-label">密码:</label>
                <p class="col-sm-10">
                    <input type="text" class="form-control pwd" name="pwd" placeholder="请输入密码">
                </p>
            </p>
            <p class="form-group">
                <p class="col-sm-offset-2 col-sm-10">
                    <p class="checkbox">
                        <label>
                        <input type="checkbox">
                        保存密码 </label>
                        <label>
                        <input type="checkbox">
                        下次自动登录 </label>
                    </p>
                </p>
            </p>
            <p class="form-group">
                <p class="col-sm-offset-2 col-sm-10">
                    <button type="submit" class="btn btn-warning" value="登录" onclick="return login()" >
                    登录                    
                    </button>
                    
                </p>
            </p>
        </p>    
    </form>        
    </body>
</html>

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4.登录页面的处理页面RBloginchuli.php

<?phpsession_start();
    $uid = $_POST["uid"];
    $pwd = $_POST["pwd"];
    require_once "./DBDA.class.php";
    $db = new DBDA();
    $sql = "select pwd from users where uid=&#39; {
    $uid
}
&#39;";
    $mm = $db->StrQuery($sql,0);
    if(!empty($pwd) && $pwd==$mm) {
    $_SESSION["uid"] = $uid;
    header("location:RBmain.php");
}
else {
    echo "<script>alert(&#39;用户名或密码有误!&#39;)</script>";
}

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5.最后做用户的主页面RBmain.php

<html> 
<head> 
<meta charset="UTF-8"> 
<title>权限主页面</title> 
</head> 
<body> 
<?php 
    session_start();
    if(empty($_SESSION["uid"])) {
    header("location:RBlogin.php");
    exit;
}
$uid = $_SESSION["uid"];
    require_once "./DBDA.class.php";
    $db = new DBDA();
    //子查询 $sql = "select * from roleswork where code in (select * from roles_roleswork where rolesuid in (select * from users_roles where usersuid=&#39; {
    $uid
}
&#39;))";
    $arr = $db->query($sql,0);
    foreach($arr as $v) {
    echo "<p class=&#39;menu&#39;> {
    $v[1]
}
</p>";
}
?> </body>
</html>

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效果如图：

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