366 lines
13 KiB
PHP
366 lines
13 KiB
PHP
<?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) 2006~2016 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;
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use think\App;
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use think\Cache;
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use think\Config;
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use think\Request;
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use think\Route;
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class Url
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{
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/**
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* URL生成 支持路由反射
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* @param string $url URL表达式，
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* 格式：'[模块/控制器/操作]?参数1=值1&参数2=值2...@域名'
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* @控制器/操作?参数1=值1&参数2=值2...
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* \\命名空间类\\方法?参数1=值1&参数2=值2...
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* @param string|array $vars 传入的参数，支持数组和字符串
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* @param string|bool $suffix 伪静态后缀，默认为true表示获取配置值
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* @param boolean|string $domain 是否显示域名 或者直接传入域名
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* @return string
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*/
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public static function build($url = '', $vars = '', $suffix = true, $domain = false)
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{
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if (false === $domain && Config::get('url_domain_deploy')) {
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$domain = true;
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}
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// 解析URL
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$info = parse_url($url);
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$url = !empty($info['path']) ? $info['path'] : '';
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if (isset($info['fragment'])) {
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// 解析锚点
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$anchor = $info['fragment'];
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if (false !== strpos($anchor, '?')) {
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// 解析参数
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list($anchor, $info['query']) = explode('?', $anchor, 2);
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}
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if (false !== strpos($anchor, '@')) {
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// 解析域名
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list($anchor, $domain) = explode('@', $anchor, 2);
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}
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} elseif (strpos($url, '@')) {
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// 解析域名
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list($url, $domain) = explode('@', $url, 2);
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}
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// 解析参数
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if (is_string($vars)) {
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// aaa=1&bbb=2 转换成数组
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parse_str($vars, $vars);
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}
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if (isset($info['query'])) {
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// 解析地址里面参数 合并到vars
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parse_str($info['query'], $params);
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$vars = array_merge($params, $vars);
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}
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// 获取路由别名
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$alias = self::getRouteAlias();
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// 检测路由
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if (0 !== strpos($url, '/') && isset($alias[$url]) && $match = self::getRouteUrl($alias[$url], $vars)) {
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// 处理路由规则中的特殊字符
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$url = str_replace('[--think--]', '', $match);
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} else {
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// 路由不存在 直接解析
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$url = self::parseUrl($url);
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}
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// 检测URL绑定
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$type = Route::getBind('type');
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if ($type) {
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$bind = Route::getBind($type);
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if (0 === strpos($url, $bind)) {
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$url = substr($url, strlen($bind) + 1);
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}
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}
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// 还原URL分隔符
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$depr = Config::get('pathinfo_depr');
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$url = str_replace('/', $depr, $url);
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// URL后缀
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$suffix = in_array($url, ['/', '']) ? '' : self::parseSuffix($suffix);
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// 锚点
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$anchor = !empty($anchor) ? '#' . $anchor : '';
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// 参数组装
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if (!empty($vars)) {
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// 添加参数
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if (Config::get('url_common_param')) {
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$vars = urldecode(http_build_query($vars));
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$url .= $suffix . '?' . $vars . $anchor;
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} else {
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foreach ($vars as $var => $val) {
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if ('' !== trim($val)) {
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$url .= $depr . $var . $depr . urlencode($val);
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}
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}
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$url .= $suffix . $anchor;
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}
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} else {
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$url .= $suffix . $anchor;
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}
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// 检测域名
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$domain = self::parseDomain($url, $domain);
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// URL组装
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$url = $domain . Request::instance()->root() . '/' . ltrim($url, '/');
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return $url;
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}
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// 直接解析URL地址
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protected static function parseUrl($url)
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{
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$request = Request::instance();
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if (0 === strpos($url, '/')) {
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// 直接作为路由地址解析
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$url = substr($url, 1);
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} elseif (false !== strpos($url, '\\')) {
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// 解析到类
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$url = ltrim(str_replace('\\', '/', $url), '/');
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} elseif (0 === strpos($url, '@')) {
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// 解析到控制器
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$url = substr($url, 1);
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} else {
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// 解析到 模块/控制器/操作
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$module = $request->module();
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$module = $module ? $module . '/' : '';
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$controller = $request->controller();
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if ('' == $url) {
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// 空字符串输出当前的 模块/控制器/操作
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$url = $module . $controller . '/' . $request->action();
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} else {
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$path = explode('/', $url);
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$action = array_pop($path);
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$controller = empty($path) ? $controller : (Config::get('url_convert') ? Loader::parseName(array_pop($path)) : array_pop($path));
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$module = empty($path) ? $module : array_pop($path) . '/';
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$url = $module . $controller . '/' . $action;
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}
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}
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return $url;
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}
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// 检测域名
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protected static function parseDomain(&$url, $domain)
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{
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if ($domain) {
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$request = Request::instance();
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if (true === $domain) {
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// 自动判断域名
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$domain = $request->host();
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if (Config::get('url_domain_deploy')) {
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// 根域名
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$urlDomainRoot = Config::get('url_domain_root');
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$domains = Route::domain();
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$route_domain = array_keys($domains);
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foreach ($route_domain as $domain_prefix) {
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if (0 === strpos($domain_prefix, '*.') && strpos($domain, ltrim($domain_prefix, '*.')) !== false) {
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foreach ($domains as $key => $rule) {
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$rule = is_array($rule) ? $rule[0] : $rule;
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if (false === strpos($key, '*') && 0 === strpos($url, $rule)) {
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$url = ltrim($url, $rule);
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$domain = $key;
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// 生成对应子域名
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if (!empty($urlDomainRoot)) {
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$domain .= $urlDomainRoot;
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}
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break;
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} else if (false !== strpos($key, '*')) {
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if (!empty($urlDomainRoot)) {
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$domain .= $urlDomainRoot;
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}
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break;
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}
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}
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}
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}
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}
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} else {
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$domain .= strpos($domain, '.') ? '' : strstr($request->host(), '.');
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}
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$domain = ($request->isSsl() ? 'https://' : 'http://') . $domain;
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} else {
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$domain = '';
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}
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return $domain;
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}
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// 检测路由规则中的变量是否有传入
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protected static function pattern($pattern, $vars)
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{
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foreach ($pattern as $key => $type) {
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if (1 == $type && !isset($vars[$key])) {
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// 变量未设置
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return false;
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}
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}
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return true;
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}
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// 解析URL后缀
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protected static function parseSuffix($suffix)
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{
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if ($suffix) {
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$suffix = true === $suffix ? Config::get('url_html_suffix') : $suffix;
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if ($pos = strpos($suffix, '|')) {
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$suffix = substr($suffix, 0, $pos);
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}
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}
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return (empty($suffix) || 0 === strpos($suffix, '.')) ? $suffix : '.' . $suffix;
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}
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// 匹配路由地址
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public static function getRouteUrl($alias, &$vars = [])
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{
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foreach ($alias as $key => $val) {
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list($url, $pattern, $param) = $val;
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// 解析安全替换
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if (strpos($url, '$')) {
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$url = str_replace('$', '[--think--]', $url);
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}
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// 检查变量匹配
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$array = $vars;
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$match = false;
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if ($pattern && self::pattern($pattern, $vars)) {
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foreach ($pattern as $key => $val) {
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if (isset($vars[$key])) {
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$url = str_replace(['[:' . $key . ']', '<' . $key . '?>', ':' . $key . '', '<' . $key . '>'], $vars[$key], $url);
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unset($array[$key]);
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} else {
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$url = str_replace(['[:' . $key . ']', '<' . $key . '?>'], '', $url);
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}
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}
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$match = true;
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} elseif (empty($pattern) && array_intersect_assoc($param, $array) == $param) {
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$match = true;
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}
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if ($match && !empty($param) && array_intersect_assoc($param, $array) != $param) {
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$match = false;
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}
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if ($match) {
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// 存在变量定义
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$vars = array_diff_key($array, $param);
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return $url;
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}
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}
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return false;
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}
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// 生成路由映射并缓存
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private static function getRouteAlias()
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{
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if ($item = Cache::get('think_route_map')) {
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return $item;
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}
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// 获取路由定义
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$rules = Route::getRules();
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foreach ($rules as $rule => $val) {
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if (!empty($val['routes'])) {
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foreach ($val['routes'] as $key => $route) {
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if (is_numeric($key)) {
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$key = array_shift($route);
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}
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if (is_array($route)) {
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$route = $route[0];
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}
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$param = [];
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if (is_array($route)) {
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$route = implode('\\', $route);
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} elseif ($route instanceof \Closure) {
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continue;
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} elseif (strpos($route, '?')) {
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list($route, $str) = explode('?', $route, 2);
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parse_str($str, $param);
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}
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$var = self::parseVar($rule . '/' . $key);
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$item[$route][] = [$rule . '/' . $key, $var, $param];
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}
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} else {
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$route = $val['route'];
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$param = [];
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if (is_array($route)) {
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$route = implode('\\', $route);
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} elseif ($route instanceof \Closure) {
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continue;
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} elseif (strpos($route, '?')) {
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list($route, $str) = explode('?', $route, 2);
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parse_str($str, $param);
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}
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$var = self::parseVar($rule);
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$item[$route][] = [$rule, $var, $param];
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}
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}
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// 检测路由映射
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$maps = Route::map();
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foreach ($maps as $rule => $route) {
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$param = [];
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if (strpos($route, '?')) {
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list($route, $str) = explode('?', $route, 2);
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parse_str($str, $param);
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}
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$item[$route][] = [$rule, [], $param];
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}
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// 检测路由别名
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$alias = Route::alias();
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foreach ($alias as $rule => $route) {
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$route = is_array($route) ? $route[0] : $route;
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$item[$route][] = [$rule, [], []];
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}
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!App::$debug && Cache::set('think_route_map', $item);
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return $item;
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}
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// 分析路由规则中的变量
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private static function parseVar($rule)
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{
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// 提取路由规则中的变量
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$var = [];
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foreach (explode('/', $rule) as $val) {
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$optional = false;
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if (false !== strpos($val, '<') && preg_match_all('/<(\w+(\??))>/', $val, $matches)) {
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foreach ($matches[1] as $name) {
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if (strpos($name, '?')) {
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$name = substr($name, 0, -1);
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$optional = true;
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} else {
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$optional = false;
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}
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$var[$name] = $optional ? 2 : 1;
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}
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}
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if ('$' == substr($val, -1, 1)) {
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$val = substr($val, 0, -1);
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}
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if (0 === strpos($val, '[:')) {
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// 可选参数
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$optional = true;
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$val = substr($val, 1, -1);
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}
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if (0 === strpos($val, ':')) {
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// URL变量
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$name = substr($val, 1);
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$var[$name] = $optional ? 2 : 1;
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}
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}
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return $var;
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}
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// 清空路由别名缓存
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public static function clearAliasCache()
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{
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Cache::rm('think_route_map');
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}
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}
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