Url.php
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think\route\dispatch;
use think\exception\HttpException;
use think\Loader;
use think\route\Dispatch;
class Url extends Dispatch
{
public function init()
{
// 解析默认的URL规则
$result = $this->parseUrl($this->dispatch);
return (new Module($this->request, $this->rule, $result))->init();
}
public function exec()
{}
/**
* 解析URL地址
* @access protected
* @param string $url URL
* @return array
*/
protected function parseUrl($url)
{
$depr = $this->rule->getConfig('pathinfo_depr');
$bind = $this->rule->getRouter()->getBind();
if (!empty($bind) && preg_match('/^[a-z]/is', $bind)) {
$bind = str_replace('/', $depr, $bind);
// 如果有模块/控制器绑定
$url = $bind . ('.' != substr($bind, -1) ? $depr : '') . ltrim($url, $depr);
}
list($path, $var) = $this->rule->parseUrlPath($url);
if (empty($path)) {
return [null, null, null];
}
// 解析模块
$module = $this->rule->getConfig('app_multi_module') ? array_shift($path) : null;
if ($this->param['auto_search']) {
$controller = $this->autoFindController($module, $path);
} else {
// 解析控制器
$controller = !empty($path) ? array_shift($path) : null;
}
// 解析操作
$action = !empty($path) ? array_shift($path) : null;
// 解析额外参数
if ($path) {
if ($this->rule->getConfig('url_param_type')) {
$var += $path;
} else {
preg_replace_callback('/(\w+)\|([^\|]+)/', function ($match) use (&$var) {
$var[$match[1]] = strip_tags($match[2]);
}, implode('|', $path));
}
}
$panDomain = $this->request->panDomain();
if ($panDomain && $key = array_search('*', $var)) {
// 泛域名赋值
$var[$key] = $panDomain;
}
// 设置当前请求的参数
$this->request->setRouteVars($var);
// 封装路由
$route = [$module, $controller, $action];
if ($this->hasDefinedRoute($route, $bind)) {
throw new HttpException(404, 'invalid request:' . str_replace('|', $depr, $url));
}
return $route;
}
/**
* 检查URL是否已经定义过路由
* @access protected
* @param string $route 路由信息
* @param string $bind 绑定信息
* @return bool
*/
protected function hasDefinedRoute($route, $bind)
{
list($module, $controller, $action) = $route;
// 检查地址是否被定义过路由
$name = strtolower($module . '/' . Loader::parseName($controller, 1) . '/' . $action);
$name2 = '';
if (empty($module) || $module == $bind) {
$name2 = strtolower(Loader::parseName($controller, 1) . '/' . $action);
}
$host = $this->request->host(true);
if ($this->rule->getRouter()->getName($name, $host) || $this->rule->getRouter()->getName($name2, $host)) {
return true;
}
return false;
}
/**
* 自动定位控制器类
* @access protected
* @param string $module 模块名
* @param array $path URL
* @return string
*/
protected function autoFindController($module, &$path)
{
$dir = $this->app->getAppPath() . ($module ? $module . '/' : '') . $this->rule->getConfig('url_controller_layer');
$suffix = $this->app->getSuffix() || $this->rule->getConfig('controller_suffix') ? ucfirst($this->rule->getConfig('url_controller_layer')) : '';
$item = [];
$find = false;
foreach ($path as $val) {
$item[] = $val;
$file = $dir . '/' . str_replace('.', '/', $val) . $suffix . '.php';
$file = pathinfo($file, PATHINFO_DIRNAME) . '/' . Loader::parseName(pathinfo($file, PATHINFO_FILENAME), 1) . '.php';
if (is_file($file)) {
$find = true;
break;
} else {
$dir .= '/' . Loader::parseName($val);
}
}
if ($find) {
$controller = implode('.', $item);
$path = array_slice($path, count($item));
} else {
$controller = array_shift($path);
}
return $controller;
}
}