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  • YII 数据库,模型,登录验证

    //protected/config/main.php
    //数据库连接设置
            'db'=>array(
                'connectionString' => 'mysql:host=localhost;dbname=blog',
                'emulatePrepare' => true,//PDO扩展
                'username' => 'root',
                'password' => 'xxxxxx',
                'charset' => 'utf8',
                'tablePrefix' => 'hd_', //定义表前缀,
                'enableParamLogging' => TRUE //开启调试信息的SQL语句具体值信息
                ),
    

    这些属性可以到 framework/db/CDbConnection.php中查看

    IndexController.php

    <?php
    class IndexController extends Controller{
        public function actionIndex(){
            $LoginForm = new LoginForm();
            if(isset($_POST['LoginForm'])){
                $LoginForm->attributes = $_POST['LoginForm'];
    			if($LoginForm->validate() && $LoginForm->login()){
                    exit('登陆成功,往下执行。。。。。');
                }
            }
            $this->render('index',array('LoginForm'=>$LoginForm));
        }
        /*
         * 数据库 测试
         */
        public function actionTest(){
            $userInfo = Admin::model()->find('username = :name',array(':name'=>'admin'));
            dump($userInfo->password);
        }
        /*
        * 验证码 
        * index.php?r=admin/index/captcha  通过URL可以直接访问到图片
         */
        public function actions(){
        	return array(
        		'captcha'=>array(
        			'class'=>'system.web.widgets.captcha.CCaptchaAction',
        			'height' => 25,
        			'width' => 80,
        			'minLength' => 4,
        			'maxLength' => 4
        			)
        		);
        }
    }
    

     模板

    <!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>后台首页</title>
    </head>
    
    <body>
    <h1><center>后台首页</center></h1>
    <?php $form = $this->beginWidget('CActiveForm') ?>
        用户名:<?php echo $form->textField($LoginForm,'username',array('id'=>'username')); ?><br/>
        密 码:<?php echo $form->passwordField($LoginForm,'password',array('id'=>'password')); ?><br/>
        验证码:<?php echo $form->textField($LoginForm,'captcha',array('id'=>'verify')); ?>
        <?php $this->widget('CCaptcha',array('showRefreshButton'=>false,'clickableImage'=>true,'imageOptions'=>array('alt'=>'点击换图','title'=>'点击换图','style'=>'cursor:pointer'))); ?>
        <br/>
        <input type="submit" value="登录"/>
    <?php $this->endWidget() ?>
    <div id="error">
        <h4><center> <?php echo $form->error($LoginForm,'username') ?> </center></h4>
        <h4><center> <?php echo $form->error($LoginForm,'password') ?> </center></h4>
        <h4><center> <?php echo $form->error($LoginForm,'captcha') ?> </center></h4>
    </div>
    </body>
    </html>
    

     LoginForm.php

    <?php
    
    /**
     * LoginForm class.
     * LoginForm is the data structure for keeping
     * user login form data. It is used by the 'login' action of 'SiteController'.
     */
    class LoginForm extends CFormModel
    {
    	public $username;
    	public $password;
    	public $rememberMe;
        public $captcha;
    
    	private $_identity;
    
    	/**
    	 * Declares the validation rules.
    	 * The rules state that username and password are required,
    	 * and password needs to be authenticated.
    	 */
    	public function rules()
    	{
    		return array(
    			// username and password are required
    			array('username','required','message'=>'用户名不能为空'),
                array('password','required','message'=>'密码不能为空'),
    			// rememberMe needs to be a boolean
    			array('rememberMe', 'boolean'),
    			// password needs to be authenticated
    			array('password', 'authenticate'),
    			array('captcha','captcha','message'=>'验证码错误')
    		);
    	}
    
    	/**
    	 * Declares attribute labels.
    	 */
    	public function attributeLabels()
    	{
    		return array(
    			'rememberMe'=>'Remember me next time',
    		);
    	}
    
    	/**
    	 * Authenticates the password.
    	 * This is the 'authenticate' validator as declared in rules().
    	 */
    	public function authenticate($attribute,$params)
    	{
    		if(!$this->hasErrors())
    		{
    			$this->_identity=new UserIdentity($this->username,$this->password);
    			if(!$this->_identity->authenticate())
    				$this->addError('password','用户名或密码错误');
    		}
    	}
    
    	/**
    	 * Logs in the user using the given username and password in the model.
    	 * @return boolean whether login is successful
    	 */
    	public function login()
    	{
    		if($this->_identity===null)
    		{
    			$this->_identity=new UserIdentity($this->username,$this->password);
    			$this->_identity->authenticate();
    		}
    		if($this->_identity->errorCode===UserIdentity::ERROR_NONE)
    		{
    			$duration=$this->rememberMe ? 3600*24*30 : 0; // 30 days
    			Yii::app()->user->login($this->_identity,$duration);
    			return true;
    		}
    		else
    			return false;
    	}
    }
    

    Admin.php

    class Admin extends CActiveRecord{
        public static function model($className = __CLASS__){
            return parent::model($className);
        }
        public function tableName(){
            return "{{admin}}";
        }
    }
    
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  • 原文地址:https://www.cnblogs.com/mr-amazing/p/4699954.html
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