thinkphp教程之RBAC详解3之登录验证
登录验证部分实例
上一讲我已经说了RBAC的流程,这次通过实际代码来分析。首先讲登录部分,登录无非就是验证用户名密码以及验证码是否正确,我们可以新建一个CommonAction的公共类,用来校验权限,其他所有类继承此类。该类内部写一个初始化方法,用于验证,这一讲先不详细讲解。继续说登录,由于登录是公开模块的方法,所以可以新建一个PublicAction类,用于公共的免验证方法,同时在配置文件中添加'NOT_AUTH_MODULE' => 'Public', //默认不需要认证的模块<br>
'USER_AUTH_GATEWAY' => '/Public/login',//默认的认证网关
然后开始编写Public类,具体代码如下:<?php <br />
class PublicAction extends CommonAction{<br>
<br>
//验证码显示<br>
public function verify(){<br>
import("ORG.Util.Image");<br>
Image::buildImageVerify(4,1,"png",100,28,"verify"); <br>
}<br>
//验证是否账号密码<br>
function checklogin(){<br>
//此处多余可自行改为Model自动验证<br>
if(empty($_POST['username'])) {<br>
$this->error('帐号错误!');<br>
}elseif (empty($_POST['password'])){<br>
$this->error('密码必须!');<br>
}elseif (empty($_POST['verify'])){<br>
$this->error('验证码必须!');<br>
}<br>
$map=array();<br>
$map['username']=$_POST['username'];<br>
$map['status']=array('gt',0);<br>
if($_SESSION['verify'] != md5($_POST['verify'])) {<br>
$this->error('验证码错误!');<br>
}<br>
<br>
import('ORG.Util.RBAC');<br>
//C('USER_AUTH_MODEL','User');<br>
//验证账号密码<br>
$authInfo=RBAC::authenticate($map);<br>
<br>
if(empty($authInfo)){<br>
$this->error('账号不存在或者被禁用!');<br>
}else{<br>
if($authInfo['password']!=md5($_POST['password'])){<br>
$this->error('账号密码错误!');<br>
}else{<br>
<br>
$_SESSION[C('USER_AUTH_KEY')]=$authInfo['id'];//记录认证标记,必须有。其他信息根据情况取用。<br>
$_SESSION['email']=$authInfo['email'];<br>
$_SESSION['nickname']=$authInfo['nickname'];<br>
$_SESSION['user']=$authInfo['username'];<br>
$_SESSION['last_login_date']=$authInfo['last_login_date'];<br>
$_SESSION['last_login_ip']=$authInfo['last_login_ip'];<br>
//判断是否为超级管理员<br>
if($authInfo['username']=='admin'){<br>
$_SESSION[C('ADMIN_AUTH_KEY')]=true;<br>
}<br>
//以下操作为记录本次登录信息<br>
$user=M('User');<br>
$lastdate=date('Y-m-d H:i:s');<br>
$data=array();<br>
$data['id']=$authInfo['id'];<br>
$data['last_login_date']=$lastdate;<br>
$data['last_login_ip']=$_SERVER["REMOTE_ADDR"];<br>
$user->save($data);<br>
RBAC::saveAccessList();//用于检测用户权限的方法,并保存到Session中<br>
$this->assign('jumpUrl',.'/Index/index');<br>
$this->success('登录成功!');<br>
}<br>
}<br>
}<br>
//退出登录操作<br>
function logout(){<br>
if(!empty($_SESSION[C('USER_AUTH_KEY')])){<br>
unset($_SESSION[C('USER_AUTH_KEY')]);<br>
$_SESSION=array();<br>
session_destroy();<br>
$this->assign('jumpUrl',/Code.'/login');<br>
$this->success('登出成功');<br>
}else{<br>
$this->error('已经登出了');<br>
}<br>
}<br>
<br>
<br>
}
以上代码仅实现功能,没有做优化,有些验证的操作可以放到model,session也不用一 一赋值,用数组即可,我想已经入门的应该可以自己改的更好。
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