{

public function beforeAction($action)

{

if($this->isInstalled()){

exit('PHPRAP已安装过，请不要重复安装，如果需要重新安装，请先删除runtime/install/install.lock');

}

return true;

}

/**

public function actionStep1()

{

$request = Yii::$app->request;

if($request->isPost){

Yii::$app->response->format = Response::FORMAT_JSON;

Yii::$app->cache->set('step', 1);

return ['status' => 'success', 'callback' => url('home/install/step2')];

}

$step1 = [

'runtime' => [

'have_chmods' => $this->getChmodsLabel(Yii::getAlias("@runtime")),

'require_chmods' => '可读、可写',

'check_chmod' => is_writable(Yii::getAlias("@runtime")),

],

'runtime/cache' => [

'have_chmods' => $this->getChmodsLabel(Yii::getAlias("@runtime") . '/cache'),

'require_chmods' => '可读、可写',

'check_chmod' => is_writable(Yii::getAlias("@runtime") . '/cache'),

],

'runtime/install' => [

'have_chmods' => $this->getChmodsLabel(Yii::getAlias("@runtime") . '/install'),

'require_chmods' => '可读、可写',

'check_chmod' => is_writable(Yii::getAlias("@runtime") . '/install'),

],

'runtime/logs' => [

'have_chmods' => $this->getChmodsLabel(Yii::getAlias("@runtime") . '/logs'),

'require_chmods' => '可读、可写',

'check_chmod' => is_writable(Yii::getAlias("@runtime") . '/logs'),

],

'configs/db.php' => [

'have_chmods' => $this->getChmodsLabel(Yii::getAlias("@app") . '/configs/db.php'),

'require_chmods' => '可读、可写',

'check_chmod' => is_writable(Yii::getAlias("@app") . '/configs/db.php'),

],

];

return $this->display('/install/step1', ['step1' => $step1]);

}

/**

public function actionStep2()

{

$request = Yii::$app->request;

if(Yii::$app->cache->get('step') != 1){

return $this->redirect(['home/install/step1']);

}

if($request->isPost){

Yii::$app->response->format = Response::FORMAT_JSON;

$step2 = $request->post('Step2');

$db = [

'dsn' => "mysql:host={$step2['host']};port={$step2['port']}}",

'username' => $step2['username'],

'password' => $step2['password'],

'charset' => 'utf8',

];

$connection = new \yii\db\Connection($db);

// 判断数据库连接状态

try {

$connection->open();

} catch(Exception $e) {

return ['status' => 'error', 'message' => '数据库连接失败，请检查数据库配置信息是否正确'];

}

if(!$connection->isActive){

return ['status' => 'error', 'message' => '当前数据库连接处于非激活状态，请检查PDO安装是否正确'];

}

// 创建数据库

$sql = "CREATE DATABASE IF NOT EXISTS {$step2['dbname']} CHARACTER SET 'utf8' COLLATE 'utf8_general_ci';";

if(!$connection->createCommand($sql)->execute()){

return ['status' => 'error', 'message' => "数据库 {$step2['dbname']} 创建失败，没有创建数据库权限，请手动创建数据库"];

}

$db['dsn'] = "mysql:host={$step2['host']};port={$step2['port']};dbname={$step2['dbname']}";

$db['tablePrefix'] = $step2['prefix'];

$db = ['class' => 'yii\db\Connection'] + $db;

$config = "<?php\r\nreturn\n" . var_export($db,true) . "\r\n?>";

// 将数据库配置信息写入配置文件

if(file_put_contents(Yii::getAlias("@app") . '/configs/db.php', $config) === false){

return ['status' => 'error', 'message' => '数据库配置文件写入错误，请检查configs/db.php文件是否有可写权限'];

}

Yii::$app->cache->set('step', 2);

return ['status' => 'success', 'callback' => url('home/install/step3')];

}

return $this->display('/install/step2');

}

/**

public function actionStep3()

{

$request = Yii::$app->request;

if(Yii::$app->cache->get('step') != 2){

return $this->redirect(['home/install/step2']);

}

if($request->isPost){

Yii::$app->response->format = Response::FORMAT_JSON;

$step3 = $request->post('Step3');

try {

// 开启事务

$transaction = Yii::$app->db->beginTransaction();

// 数据库初始化

$sql = $this->getInitSql();

if(Yii::$app->db->createCommand($sql)->execute() === false){

$transaction->rollBack();

return ['status' => 'error', 'message' => '数据库初始化安装失败，请检查 configs/db.php 文件是否完整'];

}

// 插入管理员

$account = new Account();

$account->status = $account::ACTIVE_STATUS;

$account->type = $account::ADMIN_TYPE;

$account->name = $step3['name'];

$account->email = $step3['email'];

$account->ip = Yii::$app->request->userIP;

$account->location = $account->getLocation();

$account->created_at = date('Y-m-d H:i:s');

$account->setPassword($step3['password']);

$account->generateAuthKey();

if(!$account->save()){

$transaction->rollBack();

return ['status' => 'error', 'message' => $account->getErrorMessage(), 'label' => $account->getErrorLabel()];

}

// 记录日志

$loginLog = new CreateLog();

$loginLog->user_id = $account->id;

$loginLog->user_name = $account->name;

$loginLog->user_email = $account->email;

if(!$loginLog->store()){

return false;

}

// 事务提交

$transaction->commit();

// 保存登录状态

$login_keep_time = config('login_keep_time', 'safe');

Yii::$app->user->login($account, 60*60*$login_keep_time);

Yii::$app->cache->set('step', 3);

return ['status' => 'success', 'callback' => url('home/install/step4')];

} catch (Exception $e) {

return ['status' => 'error', 'message' => '数据库初始化安装失败，' . $e->getMessage()];

}

}

return $this->display('/install/step3');

}

/**

public function actionStep4()

{

if(Yii::$app->cache->get('step') != 3){

return $this->redirect(['home/install/step3']);

}

// 创建安装锁文件

if(file_put_contents(Yii::getAlias("@runtime") . '/install/install.lock', json_encode(['installed_at' => date('Y-m-d H:i:s')])) === false){

return ['status' => 'error', 'message' => '数据库锁文件写入错误，请检查 runtime/install 文件夹是否有可写权限'];

}

Yii::$app->cache->set('step', 4);

// 获取所有数据表

$sql = "show tables";

$tables = Yii::$app->db->createCommand($sql)->queryColumn();

return $this->display('/install/step4', ['tables' => $tables]);

}

// 获取权限

private function getChmodsLabel($dirName)

{

$chmod = '';

if (is_readable ($dirName)) {

$chmod = '可读、';

}

if (is_writable ($dirName)) {

$chmod .= '可写、';

}

if (is_executable ($dirName)) {

$chmod .= '可执行、';

}

return trim($chmod, '、');

}

// 获取安装初始化sql语句

private function getInitSql()

{

// 读取初始化数据库脚本文件内容

$lines = file(Yii::getAlias("@runtime") .'/install/db.sql');

$sql = "";

// 循环排除掉不合法的sql语句

foreach($lines as $line){

$line = trim($line);

if($line != ""){

if(!($line{0} == "#" || $line{0}.$line{1} == "--")){

// 将表前缀替换成自定义前缀

$line = str_replace("doc_", Yii::$app->db->tablePrefix, $line);

$sql .= $line;

}

}

}

return $sql;

}

/** 展示模板

public function display($view, $params = [])

{

exit($this->render($view . '.html', $params));

}