367 lines
9.3 KiB
PHP
367 lines
9.3 KiB
PHP
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think\route;
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use think\App;
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use think\Container;
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use think\exception\ValidateException;
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use think\Request;
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use think\Response;
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abstract class Dispatch
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{
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/**
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* 应用对象
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* @var App
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*/
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protected $app;
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/**
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* 请求对象
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* @var Request
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*/
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protected $request;
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/**
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* 路由规则
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* @var Rule
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*/
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protected $rule;
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/**
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* 调度信息
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* @var mixed
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*/
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protected $dispatch;
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/**
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* 调度参数
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* @var array
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*/
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protected $param;
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/**
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* 状态码
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* @var string
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*/
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protected $code;
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/**
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* 是否进行大小写转换
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* @var bool
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*/
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protected $convert;
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public function __construct(Request $request, Rule $rule, $dispatch, $param = [], $code = null)
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{
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$this->request = $request;
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$this->rule = $rule;
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$this->app = Container::get('app');
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$this->dispatch = $dispatch;
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$this->param = $param;
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$this->code = $code;
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if (isset($param['convert'])) {
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$this->convert = $param['convert'];
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}
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}
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public function init()
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{
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// 执行路由后置操作
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if ($this->rule->doAfter()) {
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// 设置请求的路由信息
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// 设置当前请求的参数
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$this->request->setRouteVars($this->rule->getVars());
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$this->request->routeInfo([
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'rule' => $this->rule->getRule(),
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'route' => $this->rule->getRoute(),
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'option' => $this->rule->getOption(),
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'var' => $this->rule->getVars(),
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]);
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$this->doRouteAfter();
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}
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return $this;
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}
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/**
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* 检查路由后置操作
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* @access protected
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* @return void
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*/
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protected function doRouteAfter()
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{
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// 记录匹配的路由信息
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$option = $this->rule->getOption();
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$matches = $this->rule->getVars();
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// 添加中间件
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if (!empty($option['middleware'])) {
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$this->app['middleware']->import($option['middleware']);
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}
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// 绑定模型数据
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if (!empty($option['model'])) {
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$this->createBindModel($option['model'], $matches);
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}
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// 指定Header数据
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if (!empty($option['header'])) {
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$header = $option['header'];
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$this->app['hook']->add('response_send', function ($response) use ($header) {
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$response->header($header);
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});
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}
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// 指定Response响应数据
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if (!empty($option['response'])) {
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foreach ($option['response'] as $response) {
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$this->app['hook']->add('response_send', $response);
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}
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}
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// 开启请求缓存
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if (isset($option['cache']) && $this->request->isGet()) {
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$this->parseRequestCache($option['cache']);
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}
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if (!empty($option['append'])) {
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$this->request->setRouteVars($option['append']);
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}
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}
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/**
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* 执行路由调度
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* @access public
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* @return mixed
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*/
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public function run()
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{
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$option = $this->rule->getOption();
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// 检测路由after行为
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if (!empty($option['after'])) {
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$dispatch = $this->checkAfter($option['after']);
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if ($dispatch instanceof Response) {
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return $dispatch;
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}
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}
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// 数据自动验证
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if (isset($option['validate'])) {
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$this->autoValidate($option['validate']);
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}
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$data = $this->exec();
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return $this->autoResponse($data);
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}
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protected function autoResponse($data)
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{
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if ($data instanceof Response) {
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$response = $data;
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} elseif (!is_null($data)) {
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// 默认自动识别响应输出类型
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$isAjax = $this->request->isAjax();
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$type = $isAjax ? $this->rule->getConfig('default_ajax_return') : $this->rule->getConfig('default_return_type');
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$response = Response::create($data, $type);
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} else {
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$data = ob_get_clean();
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$content = false === $data ? '' : $data;
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$status = '' === $content && $this->request->isJson() ? 204 : 200;
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$response = Response::create($content, '', $status);
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}
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return $response;
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}
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/**
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* 检查路由后置行为
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* @access protected
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* @param mixed $after 后置行为
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* @return mixed
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*/
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protected function checkAfter($after)
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{
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$this->app['log']->notice('路由后置行为建议使用中间件替代！');
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$hook = $this->app['hook'];
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$result = null;
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foreach ((array) $after as $behavior) {
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$result = $hook->exec($behavior);
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if (!is_null($result)) {
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break;
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}
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}
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// 路由规则重定向
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if ($result instanceof Response) {
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return $result;
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}
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return false;
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}
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/**
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* 验证数据
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* @access protected
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* @param array $option
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* @return void
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* @throws ValidateException
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*/
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protected function autoValidate($option)
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{
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list($validate, $scene, $message, $batch) = $option;
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if (is_array($validate)) {
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// 指定验证规则
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$v = $this->app->validate();
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$v->rule($validate);
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} else {
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// 调用验证器
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$v = $this->app->validate($validate);
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if (!empty($scene)) {
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$v->scene($scene);
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}
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}
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if (!empty($message)) {
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$v->message($message);
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}
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// 批量验证
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if ($batch) {
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$v->batch(true);
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}
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if (!$v->check($this->request->param())) {
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throw new ValidateException($v->getError());
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}
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}
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/**
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* 处理路由请求缓存
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* @access protected
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* @param Request $request 请求对象
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* @param string|array $cache 路由缓存
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* @return void
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*/
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protected function parseRequestCache($cache)
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{
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if (is_array($cache)) {
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list($key, $expire, $tag) = array_pad($cache, 3, null);
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} else {
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$key = str_replace('|', '/', $this->request->url());
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$expire = $cache;
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$tag = null;
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}
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$cache = $this->request->cache($key, $expire, $tag);
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$this->app->setResponseCache($cache);
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}
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/**
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* 路由绑定模型实例
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* @access protected
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* @param array|\Clousre $bindModel 绑定模型
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* @param array $matches 路由变量
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* @return void
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*/
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protected function createBindModel($bindModel, $matches)
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{
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foreach ($bindModel as $key => $val) {
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if ($val instanceof \Closure) {
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$result = $this->app->invokeFunction($val, $matches);
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} else {
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$fields = explode('&', $key);
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if (is_array($val)) {
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list($model, $exception) = $val;
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} else {
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$model = $val;
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$exception = true;
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}
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$where = [];
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$match = true;
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foreach ($fields as $field) {
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if (!isset($matches[$field])) {
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$match = false;
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break;
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} else {
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$where[] = [$field, '=', $matches[$field]];
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}
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}
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if ($match) {
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$query = strpos($model, '\\') ? $model::where($where) : $this->app->model($model)->where($where);
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$result = $query->failException($exception)->find();
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}
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}
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if (!empty($result)) {
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// 注入容器
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$this->app->instance(get_class($result), $result);
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}
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}
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}
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public function convert($convert)
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{
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$this->convert = $convert;
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return $this;
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}
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public function getDispatch()
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{
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return $this->dispatch;
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}
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public function getParam()
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{
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return $this->param;
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}
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abstract public function exec();
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public function __sleep()
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{
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return ['rule', 'dispatch', 'convert', 'param', 'code', 'controller', 'actionName'];
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}
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public function __wakeup()
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{
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$this->app = Container::get('app');
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$this->request = $this->app['request'];
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}
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public function __debugInfo()
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{
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$data = get_object_vars($this);
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unset($data['app'], $data['request'], $data['rule']);
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return $data;
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}
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}
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