基于 yiisoft/yii2-app-advanced，在 GitHub 上新建仓库 yii2-app-advanced，新建接口应用(实现 RESTful 风格的 Web Service 服务的 API)，实现模型分层：数据层、逻辑层，明确公共目录、应用、模块的继承、引用关系 (二)
1、定义与规范：
定义：
(1)数据层：models 用于定义数据相关的自动验证和自动完成和数据存取接口；
(2)逻辑层：logics 用于定义数据相关的业务逻辑；
规范：
(1)/common/models 目录中的模型类文件仅允许Gii工具所生成，为公共的模型数据层；
(2)/common/logics 目录中的模型类文件为业务逻辑相关，继承至 /common/models 数据层，为公共的模型逻辑层；
(3)/common 目录中需要引用模型类文件，仅引用 /common/logics 中的模型类文件，例：
public $modelClass = 'common\logics\User';
(4)/api/models、/backend/models、/frontend/models 目录中的模型类文件为业务逻辑相关(仅与各应用相关)，继承至 /common/logics 公共逻辑层；
(5)接口、前端、后端应用目录中需要引用模型类文件，仅引用各自目录下的对应模型类文件，例：
use api\models\User;
(6)/api/modules/v1/models 目录中的模型类文件为业务逻辑相关(仅与模块相关)，继承至 /api/models 应用逻辑层；
(7)模块目录中需要引用模型类文件，仅引用各自模块下的对应模型类文件，例：
public $modelClass = 'api\modules\v1\models\User';
2、在common目录中新建logics目录，用于MySQL模型的逻辑层所在目录，如图1
图1
3、复制 \common\models\LoginForm.php、\common\models\User.php 至 \common\logics，如图2
图2
4、在common/models目录中的MySQL模型文件仅为Gii工具所生成，删除 \common\models\LoginForm.php，如图3
图3
5、配置路由，使用美观的 URL ，编辑 \frontend\config\main.php
'urlManager' => [
'enablePrettyUrl' => true,
'showScriptName' => false,
'rules' => [
],
],
6、国际化的支持，新建目录 \common\messages\en-US\model、\common\messages\zh-CN\model，分别用于模型的数据层的美国英语、中文简体；新建 \common\messages\{language}\app.php、\common\messages\{language}\error.php、\common\messages\{language}\success.php，分别用于应用全局消息、应用错误消息、应用成功消息，如图4
图4
app.php
<?php return [ ];
error.php
<?php
return [
20000 => 'error',
];
success.php
<?php
return [
10000 => 'success',
];
7、配置应用程序语言，源语言为美国英语，目标语言为简体中文，当源语言和目标语言相同时，是否强制进行消息翻译，默认为假，设置为真，编辑 \common\config\main.php
'sourceLanguage' => 'en-US',
'language' => 'zh-CN',
'components' => [
'i18n' => [
'translations' => [
'*' => [
'class' => 'yii\i18n\PhpMessageSource',
'forceTranslation' => true,
'basePath'=>'@common/messages',
'fileMap' => [
'app' => 'app.php',
'error' => 'error.php',
'success' => 'success.php',
],
],
],
],
'cache' => [
'class' => 'yii\caching\FileCache',
],
],
8、打开网址：http://www.github-shuijingwan-yii2-app-advanced.localhost/gii/model ，选项，命名空间为common\models，此时需支持国际化，覆盖\common\models\User.php，如图5
图5
<?php
namespace common\models;
use Yii;
/**
* This is the model class for table "{{%user}}".
*
* @property int $id
* @property string $username
* @property string $auth_key
* @property string $password_hash
* @property string $password_reset_token
* @property string $email
* @property int $status
* @property int $created_at
* @property int $updated_at
*/
class User extends \yii\db\ActiveRecord
{
/**
* @inheritdoc
*/
public static function tableName()
{
return '{{%user}}';
}
/**
* @inheritdoc
*/
public function rules()
{
return [
[['username', 'auth_key', 'password_hash', 'email', 'created_at', 'updated_at'], 'required'],
[['status', 'created_at', 'updated_at'], 'integer'],
[['username', 'password_hash', 'password_reset_token', 'email'], 'string', 'max' => 255],
[['auth_key'], 'string', 'max' => 32],
[['username'], 'unique'],
[['email'], 'unique'],
[['password_reset_token'], 'unique'],
];
}
/**
* @inheritdoc
*/
public function attributeLabels()
{
return [
'id' => Yii::t('model/user', 'ID'),
'username' => Yii::t('model/user', 'Username'),
'auth_key' => Yii::t('model/user', 'Auth Key'),
'password_hash' => Yii::t('model/user', 'Password Hash'),
'password_reset_token' => Yii::t('model/user', 'Password Reset Token'),
'email' => Yii::t('model/user', 'Email'),
'status' => Yii::t('model/user', 'Status'),
'created_at' => Yii::t('model/user', 'Created At'),
'updated_at' => Yii::t('model/user', 'Updated At'),
];
}
}
9、在common/logics目录中的MySQL模型文件为业务逻辑相关，继承至 \common\models 数据层，打开网址：http://www.github-shuijingwan-yii2-app-advanced.localhost/gii/model ，选项，如图6
图6
10、基于 diff ，编辑 \common\logics\User.php，如图7
11、在common/logics目录中的MySQL模型文件为业务逻辑相关，继承至 \common\models\User 数据层
<?php
namespace common\logics;
use Yii;
use yii\base\NotSupportedException;
use yii\behaviors\TimestampBehavior;
use yii\web\IdentityInterface;
/**
* This is the model class for table "{{%user}}".
*
* @property int $id
* @property string $username
* @property string $auth_key
* @property string $password_hash
* @property string $password_reset_token
* @property string $email
* @property int $status
* @property int $created_at
* @property int $updated_at
* @property string $password write-only password
*/
class User extends \common\models\User implements IdentityInterface
{
const STATUS_DELETED = 0;
const STATUS_ACTIVE = 10;
/**
* @inheritdoc
*/
public function behaviors()
{
return [
TimestampBehavior::className(),
];
}
/**
* @inheritdoc
*/
public function rules()
{
return [
[['username', 'auth_key', 'password_hash', 'email'], 'required'],
[['status', 'created_at', 'updated_at'], 'integer'],
[['username', 'password_hash', 'password_reset_token', 'email'], 'string', 'max' => 255],
[['auth_key'], 'string', 'max' => 32],
[['username'], 'unique'],
[['email'], 'unique'],
[['password_reset_token'], 'unique'],
['status', 'default', 'value' => self::STATUS_ACTIVE],
['status', 'in', 'range' => [self::STATUS_ACTIVE, self::STATUS_DELETED]],
];
}
/**
* @inheritdoc
*/
public static function findIdentity($id)
{
return static::findOne(['id' => $id, 'status' => self::STATUS_ACTIVE]);
}
/**
* @inheritdoc
*/
public static function findIdentityByAccessToken($token, $type = null)
{
throw new NotSupportedException('"findIdentityByAccessToken" is not implemented.');
}
/**
* Finds user by username
*
* @param string $username
* @return static|null
*/
public static function findByUsername($username)
{
return static::findOne(['username' => $username, 'status' => self::STATUS_ACTIVE]);
}
/**
* Finds user by password reset token
*
* @param string $token password reset token
* @return static|null
*/
public static function findByPasswordResetToken($token)
{
if (!static::isPasswordResetTokenValid($token)) {
return null;
}
return static::findOne([
'password_reset_token' => $token,
'status' => self::STATUS_ACTIVE,
]);
}
/**
* Finds out if password reset token is valid
*
* @param string $token password reset token
* @return bool
*/
public static function isPasswordResetTokenValid($token)
{
if (empty($token)) {
return false;
}
$timestamp = (int) substr($token, strrpos($token, '_') + 1);
$expire = Yii::$app->params['user.passwordResetTokenExpire'];
return $timestamp + $expire >= time();
}
/**
* @inheritdoc
*/
public function getId()
{
return $this->getPrimaryKey();
}
/**
* @inheritdoc
*/
public function getAuthKey()
{
return $this->auth_key;
}
/**
* @inheritdoc
*/
public function validateAuthKey($authKey)
{
return $this->getAuthKey() === $authKey;
}
/**
* Validates password
*
* @param string $password password to validate
* @return bool if password provided is valid for current user
*/
public function validatePassword($password)
{
return Yii::$app->security->validatePassword($password, $this->password_hash);
}
/**
* Generates password hash from password and sets it to the model
*
* @param string $password
*/
public function setPassword($password)
{
$this->password_hash = Yii::$app->security->generatePasswordHash($password);
}
/**
* Generates "remember me" authentication key
*/
public function generateAuthKey()
{
$this->auth_key = Yii::$app->security->generateRandomString();
}
/**
* Generates new password reset token
*/
public function generatePasswordResetToken()
{
$this->password_reset_token = Yii::$app->security->generateRandomString() . '_' . time();
}
/**
* Removes password reset token
*/
public function removePasswordResetToken()
{
$this->password_reset_token = null;
}
}
12、新建 \common\messages\en-US\model\user.php，支持目标语言为英语美国时的消息翻译
<?php
/**
* Created by PhpStorm.
* User: WangQiang
* Date: 2018/04/04
* Time: 10:34
*/
return [
'ID' => 'ID',
'Username' => 'Username',
'Auth Key' => 'Auth Key',
'Password Hash' => 'Password Hash',
'Password Reset Token' => 'Password Reset Token',
'Email' => 'Email',
'Status' => 'Status',
'Created At' => 'Created At',
'Updated At' => 'Updated At',
];
13、新建 \common\messages\zh-CN\model\user.php，支持目标语言为简体中文时的消息翻译
<?php
/**
* Created by PhpStorm.
* User: WangQiang
* Date: 2018/04/04
* Time: 10:39
*/
return [
'ID' => 'ID',
'Username' => '用户名',
'Auth Key' => '认证密钥',
'Password Hash' => '密码哈希',
'Password Reset Token' => '密码重置令牌',
'Email' => '邮箱',
'Status' => '状态',
'Created At' => '创建时间',
'Updated At' => '更新时间',
];
14、新建 \api\models\User.php，在api/models目录中的MySQL模型文件为业务逻辑相关(仅与api相关)，继承至 \common\logics\User 逻辑层
<?php
/**
* Created by PhpStorm.
* User: WangQiang
* Date: 2018/04/04
* Time: 10:44
*/
namespace api\models;
class User extends \common\logics\User
{
}
15、复制\api\models\User.php 至 \frontend\models\User.php、\backend\models\User.php，调整为各自的命名空间
\frontend\models\User.php
<?php
/**
* Created by PhpStorm.
* User: WangQiang
* Date: 2018/04/04
* Time: 10:44
*/
namespace frontend\models;
class User extends \common\logics\User
{
}
\backend\models\User.php
<?php
/**
* Created by PhpStorm.
* User: WangQiang
* Date: 2018/04/04
* Time: 10:44
*/
namespace backend\models;
class User extends \common\logics\User
{
}
16、在 api 应用中搜索 use common\models\User;，替换为：use api\models\User;，在前台、后台应用中同样类似处理，如图8
图8
17、在 api 应用中搜索 common\models\User，替换为：api\models\User，在前台、后台应用中同样类似处理，如图9
图9
18、编辑 \common\logics\LoginForm.php，调整命名空间
<?php
namespace common\logics;
use Yii;
use yii\base\Model;
/**
* Login form
*/
class LoginForm extends Model
{
public $username;
public $password;
public $rememberMe = true;
private $_user;
/**
* {@inheritdoc}
*/
public function rules()
{
return [
// username and password are both required
[['username', 'password'], 'required'],
// rememberMe must be a boolean value
['rememberMe', 'boolean'],
// password is validated by validatePassword()
['password', 'validatePassword'],
];
}
/**
* Validates the password.
* This method serves as the inline validation for password.
*
* @param string $attribute the attribute currently being validated
* @param array $params the additional name-value pairs given in the rule
*/
public function validatePassword($attribute, $params)
{
if (!$this->hasErrors()) {
$user = $this->getUser();
if (!$user || !$user->validatePassword($this->password)) {
$this->addError($attribute, 'Incorrect username or password.');
}
}
}
/**
* Logs in a user using the provided username and password.
*
* @return bool whether the user is logged in successfully
*/
public function login()
{
if ($this->validate()) {
return Yii::$app->user->login($this->getUser(), $this->rememberMe ? 3600 * 24 * 30 : 0);
}
return false;
}
/**
* Finds user by [[username]]
*
* @return User|null
*/
protected function getUser()
{
if ($this->_user === null) {
$this->_user = User::findByUsername($this->username);
}
return $this->_user;
}
}
19、新建 \api\models\LoginForm.php，在api/models目录中的MySQL模型文件为业务逻辑相关(仅与api相关)，继承至 \common\logics\LoginForm 逻辑层
<?php
/**
* Created by PhpStorm.
* User: WangQiang
* Date: 2018/04/04
* Time: 11:10
*/
namespace api\models;
class LoginForm extends \common\logics\LoginForm
{
}
20、复制\api\models\LoginForm.php 至 \frontend\models\LoginForm.php、\backend\models\LoginForm.php，调整为各自的命名空间
\frontend\models\LoginForm.php
<?php
/**
* Created by PhpStorm.
* User: WangQiang
* Date: 2018/04/04
* Time: 11:10
*/
namespace frontend\models;
class LoginForm extends \common\logics\LoginForm
{
}
\backend\models\LoginForm.php
<?php
/**
* Created by PhpStorm.
* User: WangQiang
* Date: 2018/04/04
* Time: 11:10
*/
namespace backend\models;
class LoginForm extends \common\logics\LoginForm
{
}
21、在 api 应用中搜索 use common\models\LoginForm;，替换为：use api\models\LoginForm;，在前台、后台应用中同样类似处理，如图10
图10
22、在 api 应用中搜索 common\models\LoginForm，替换为：api\models\LoginForm，在前台、后台应用中同样类似处理，如图11
图11
23、在 common 目录中搜索 common\models\User，替换为：common\logics\User，除了 \common\logics\User.php 例外，如图12
图12
24、在 common 目录中搜索 common\models\LoginForm，替换为：common\logics\LoginForm，如图13
图13
25、测试注册功能，打开网址：http://www.github-shuijingwan-yii2-app-advanced.localhost/site/signup ，符合预期，如图14
图14
26、查看数据库，如图15
图15
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