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  • php权限管理

    首先权限管理肯定是需要登陆的,这里就简单的写一个登陆页面。

    简单的登陆页面login.php

    <h1>登录页面</h1>
    <form action="logincl.php" method="post">
    <input type="text" name="uid" />
    <input type="password" name="pwd" />
    <input type="submit" value="登录" />
    </form>

    登陆处理页面logincl.php

    <?php
    session_start();
    include("../FENGZHUANG/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 && !empty($pwd))
    {
        $_SESSION["uid"]=$uid;
        header("location:main.php");
    }

    登陆完成后进入主页面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>
    <h1>主页面</h1>
    <?php
    session_start();
    include("../FENGZHUANG/DBDA.class.php");
    $db = new DBDA();
    
    if(empty($_SESSION["uid"]))
    {
        header("location:login.php");
        exit;
    }
    //登录者用户名
    $uid = $_SESSION["uid"];
    
    //根据用户名查角色
    $sjs = "select jueseid from userinjuese where userid='{$uid}'";
    $ajs = $db->Query($sjs);
    //定义一个存放功能代号的数组
    $arr = array();
    //根据角色代号查功能代号
    foreach($ajs as $vjs)
    {
            $jsid = $vjs[0]; //角色代号
            $sgn = "select ruleid from juesewithrules where jueseid='{$jsid}'";
            $strgn = $db->StrQuery($sgn);
            $agn = explode("|",$strgn);
            
            foreach($agn as $vgn)
            {
                array_push($arr,$vgn);
            }    
    }
    
    //去重,显示
    $arr = array_unique($arr);
    foreach($arr as $v)
    {
        $sql = "select * from rules where code='{$v}'";
        $attr = $db->Query($sql);
        
        $attr[0][0]; $attr[0][1];
        
        echo "<div code='{$attr[0][0]}'>{$attr[0][1]}</div>";
    }
    
    ?>
    
    </body>
    </html>

    管理权限界面guanli.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>
    <script src="../FENGZHUANG/jquery-3.1.1.min.js"></script>
    </head>
    
    <body>
    
    <h1>用户与角色管理</h1>
    <div>
    请选择用户:
        <select id="user">
            <?php
            include("../FENGZHUANG/DBDA.class.php");
            $db = new DBDA();
            $sql = "select * from users";
            $arr = $db->Query($sql);
            foreach($arr as $v)
            {
                echo "<option value='{$v[0]}'>{$v[2]}</option>";
            }
            ?>
        </select>
    </div>
    <br />
    <div>
    请选择角色:
    <?php
    $sjs = "select * from juese";
    $ajs = $db->Query($sjs);
    foreach($ajs as $v)
    {
        echo "<input type='checkbox' value='{$v[0]}' class='ck' />{$v[1]} ";
    }
    ?>
    </div>
    <br />
    
    <input type="button" value="确定" id="btn" />
    
    </body>
    <script type="text/javascript">
    $(document).ready(function(e) {
        //选中默认角色
        Xuan();
        //当用户选中变化的时候,去选中相应角色
        $("#user").change(function(){
                Xuan();
            })
        //点击确定保存角色信息
        $("#btn").click(function(){
                var uid = $("#user").val();
                var juese = "";
                var ck = $(".ck");
                for(var i=0;i<ck.length;i++)
                {
                    if(ck.eq(i).prop("checked"))
                    {
                        juese += ck.eq(i).val()+"|";
                    }
                }
                juese = juese.substr(0,juese.length-1);
                $.ajax({
                        url:"chuli.php",
                        data:{uid:uid,juese:juese,type:1},
                        type:"POST",
                        dataType:"TEXT",
                        success: function(data){
                                alert("保存成功!");
                            }
                    });
            })
    });
    //选中默认角色
    function Xuan()
    {
        var uid = $("#user").val();
        $.ajax({
            url:"chuli.php",
            data:{uid:uid,type:0},
            type:"POST",
            dataType:"TEXT",
            success: function(data){
                    var juese = data.trim().split("|");
                    var ck = $(".ck");
                    ck.prop("checked",false);
                    for(var i=0;i<ck.length;i++)
                    {
                        if(juese.indexOf(ck.eq(i).val())>=0)
                        {
                            ck.eq(i).prop("checked",true);
                        }
                    }
                    
                }
            });
    }
    </script>
    </html>

    处理界面chuli.php

    <?php
    include("../FENGZHUANG/DBDA.class.php");
    $db = new DBDA();
    
    $type = $_POST["type"];
    
    switch($type)
    {
        case 0:
            $uid = $_POST["uid"];
            $sql = "select jueseid from userinjuese where userid='{$uid}'";
            echo $db->StrQuery($sql);
            break;
        case 1:
            $uid = $_POST["uid"];
            $juese = $_POST["juese"];
            $sdel = "delete from userinjuese where userid='{$uid}'";//保存权限最简单的办法是先把其删除,再重新添加。
            $db->Query($sdel,0);
            $arr = explode("|",$juese);
            foreach($arr as $v)
            {
                echo $v;
                $sql = "insert into userinjuese values('','{$uid}','{$v}')";
                $db->Query($sql,0);
            }
            echo "OK";
            break;
    }

    数据库截图:

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  • 原文地址:https://www.cnblogs.com/gaobint/p/6767214.html
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