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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;
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class Url
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{
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// 生成URL地址的root
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protected static $root;
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protected static $bindCheck;
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/**
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* URL生成 支持路由反射
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* @param string $url 路由地址
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* @param string|array $vars 参数（支持数组和字符串）a=val&b=val2... ['a'=>'val1', 'b'=>'val2']
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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 === $domain && Route::rules('domain')) {
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$domain = true;
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}
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// 解析URL
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if (0 === strpos($url, '[') && $pos = strpos($url, ']')) {
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// [name] 表示使用路由命名标识生成URL
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$name = substr($url, 1, $pos - 1);
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$url = 'name' . substr($url, $pos + 1);
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}
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if (false === strpos($url, '://') && 0 !== strpos($url, '/')) {
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$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, '@') && false === strpos($url, '\\')) {
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// 解析域名
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list($url, $domain) = explode('@', $url, 2);
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}
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}
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// 解析参数
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if (is_string($vars)) {
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// aaa=1&bbb=2 转换成数组
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parse_str($vars, $vars);
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}
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if ($url) {
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$rule = Route::name(isset($name) ? $name : $url . (isset($info['query']) ? '?' . $info['query'] : ''));
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if (is_null($rule) && isset($info['query'])) {
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$rule = Route::name($url);
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// 解析地址里面参数 合并到vars
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parse_str($info['query'], $params);
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$vars = array_merge($params, $vars);
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unset($info['query']);
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}
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}
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if (!empty($rule) && $match = self::getRuleUrl($rule, $vars)) {
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// 匹配路由命名标识
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$url = $match[0];
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// 替换可选分隔符
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$url = preg_replace(['/(\W)\?$/', '/(\W)\?/'], ['', '\1'], $url);
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if (!empty($match[1])) {
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$domain = $match[1];
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}
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if (!is_null($match[2])) {
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$suffix = $match[2];
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}
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} elseif (!empty($rule) && isset($name)) {
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throw new \InvalidArgumentException('route name not exists:' . $name);
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} else {
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// 检查别名路由
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$alias = Route::rules('alias');
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$matchAlias = false;
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if ($alias) {
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// 别名路由解析
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foreach ($alias as $key => $val) {
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if (is_array($val)) {
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$val = $val[0];
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}
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if (0 === strpos($url, $val)) {
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$url = $key . substr($url, strlen($val));
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$matchAlias = true;
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break;
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}
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}
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}
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if (!$matchAlias) {
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// 路由标识不存在 直接解析
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$url = self::parseUrl($url, $domain);
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}
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if (isset($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, $vars);
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}
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}
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// 检测URL绑定
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if (!self::$bindCheck) {
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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 ($bind && 0 === strpos($url, $bind)) {
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$url = substr($url, strlen($bind) + 1);
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}
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}
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}
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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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$vars = http_build_query($vars);
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$url .= $suffix . '?' . $vars . $anchor;
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} else {
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$paramType = Config::get('url_param_type');
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foreach ($vars as $var => $val) {
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if ('' !== trim($val)) {
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if ($paramType) {
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$url .= $depr . urlencode($val);
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} else {
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$url .= $depr . $var . $depr . urlencode($val);
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}
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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 = $domain . rtrim(self::$root ?: Request::instance()->root(), '/') . '/' . ltrim($url, '/');
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self::$bindCheck = false;
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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, &$domain)
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{
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$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 = $request->module();
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$domains = Route::rules('domain');
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if (true === $domain && 2 == substr_count($url, '/')) {
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$current = $request->host();
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$match = [];
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$pos = [];
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foreach ($domains as $key => $item) {
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if (isset($item['[bind]']) && 0 === strpos($url, $item['[bind]'][0])) {
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$pos[$key] = strlen($item['[bind]'][0]) + 1;
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$match[] = $key;
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$module = '';
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}
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}
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if ($match) {
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$domain = current($match);
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foreach ($match as $item) {
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if (0 === strpos($current, $item)) {
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$domain = $item;
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}
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}
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self::$bindCheck = true;
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$url = substr($url, $pos[$domain]);
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}
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} elseif ($domain) {
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if (isset($domains[$domain]['[bind]'][0])) {
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$bindModule = $domains[$domain]['[bind]'][0];
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if ($bindModule && !in_array($bindModule[0], ['\\', '@'])) {
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$module = '';
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}
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}
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}
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$module = $module ? $module . '/' : '';
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$controller = $request->controller();
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if ('' == $url) {
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// 空字符串输出当前的 模块/控制器/操作
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$action = $request->action();
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} else {
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$path = explode('/', $url);
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$action = array_pop($path);
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$controller = empty($path) ? $controller : array_pop($path);
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$module = empty($path) ? $module : array_pop($path) . '/';
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}
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if (Config::get('url_convert')) {
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$action = strtolower($action);
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$controller = Loader::parseName($controller);
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}
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$url = $module . $controller . '/' . $action;
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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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return '';
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}
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$request = Request::instance();
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$rootDomain = Config::get('url_domain_root');
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if (true === $domain) {
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// 自动判断域名
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$domain = Config::get('app_host') ?: $request->host();
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$domains = Route::rules('domain');
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if ($domains) {
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$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] : $rule;
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if (is_string($rule) && false === strpos($key, '*') && 0 === strpos($url, $rule)) {
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$url = ltrim($url, $rule);
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$domain = $key;
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// 生成对应子域名
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if (!empty($rootDomain)) {
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$domain .= $rootDomain;
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}
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break;
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} elseif (false !== strpos($key, '*')) {
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if (!empty($rootDomain)) {
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$domain .= $rootDomain;
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}
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break;
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}
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}
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}
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}
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}
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} else {
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if (empty($rootDomain)) {
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$host = Config::get('app_host') ?: $request->host();
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$rootDomain = substr_count($host, '.') > 1 ? substr(strstr($host, '.'), 1) : $host;
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}
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if (substr_count($domain, '.') < 2 && !strpos($domain, $rootDomain)) {
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$domain .= '.' . $rootDomain;
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}
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}
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if (false !== strpos($domain, '://')) {
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$scheme = '';
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} else {
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$scheme = $request->isSsl() || Config::get('is_https') ? 'https://' : 'http://';
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}
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return $scheme . $domain;
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}
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// 解析URL后缀
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protected static function parseSuffix($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 : '.' . $suffix;
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}
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// 匹配路由地址
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public static function getRuleUrl($rule, &$vars = [])
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{
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foreach ($rule as $item) {
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list($url, $pattern, $domain, $suffix) = $item;
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if (empty($pattern)) {
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return [rtrim($url, '$'), $domain, $suffix];
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}
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$type = Config::get('url_common_param');
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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 . '>'], $type ? $vars[$key] : urlencode($vars[$key]), $url);
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unset($vars[$key]);
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$result = [$url, $domain, $suffix];
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} elseif (2 == $val) {
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$url = str_replace(['/[:' . $key . ']', '[:' . $key . ']', '<' . $key . '?>'], '', $url);
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$result = [$url, $domain, $suffix];
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} else {
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break;
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}
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}
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if (isset($result)) {
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return $result;
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}
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}
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return false;
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}
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// 指定当前生成URL地址的root
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public static function root($root)
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{
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self::$root = $root;
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Request::instance()->root($root);
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}
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}
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