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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think;
class Url
{
// 生成URL地址的root
protected static $root;
protected static $bindCheck;
/**
* URL生成 支持路由反射
* @param string $url 路由地址
* @param string|array $vars 参数（支持数组和字符串）a=val&b=val2... ['a'=>'val1', 'b'=>'val2']
* @param string|bool $suffix 伪静态后缀，默认为true表示获取配置值
* @param boolean|string $domain 是否显示域名 或者直接传入域名
* @return string
*/
public static function build($url = '', $vars = '', $suffix = true, $domain = false)
{
if (false === $domain && Route::rules('domain')) {
$domain = true;
}
// 解析URL
if (0 === strpos($url, '[') && $pos = strpos($url, ']')) {
// [name] 表示使用路由命名标识生成URL
$name = substr($url, 1, $pos - 1);
$url = 'name' . substr($url, $pos + 1);
}
if (false === strpos($url, '://') && 0 !== strpos($url, '/')) {
$info = parse_url($url);
$url = !empty($info['path']) ? $info['path'] : '';
if (isset($info['fragment'])) {
// 解析锚点
$anchor = $info['fragment'];
if (false !== strpos($anchor, '?')) {
// 解析参数
list($anchor, $info['query']) = explode('?', $anchor, 2);
}
if (false !== strpos($anchor, '@')) {
// 解析域名
list($anchor, $domain) = explode('@', $anchor, 2);
}
} elseif (strpos($url, '@') && false === strpos($url, '\\')) {
// 解析域名
list($url, $domain) = explode('@', $url, 2);
}
}
// 解析参数
if (is_string($vars)) {
// aaa=1&bbb=2 转换成数组
parse_str($vars, $vars);
}
if ($url) {
$rule = Route::name(isset($name) ? $name : $url . (isset($info['query']) ? '?' . $info['query'] : ''));
if (is_null($rule) && isset($info['query'])) {
$rule = Route::name($url);
// 解析地址里面参数 合并到vars
parse_str($info['query'], $params);
$vars = array_merge($params, $vars);
unset($info['query']);
}
}
if (!empty($rule) && $match = self::getRuleUrl($rule, $vars)) {
// 匹配路由命名标识
$url = $match[0];
// 替换可选分隔符
$url = preg_replace(['/(\W)\?$/', '/(\W)\?/'], ['', '\1'], $url);
if (!empty($match[1])) {
$domain = $match[1];
}
if (!is_null($match[2])) {
$suffix = $match[2];
}
} elseif (!empty($rule) && isset($name)) {
throw new \InvalidArgumentException('route name not exists:' . $name);
} else {
// 检查别名路由
$alias = Route::rules('alias');
$matchAlias = false;
if ($alias) {
// 别名路由解析
foreach ($alias as $key => $val) {
if (is_array($val)) {
$val = $val[0];
}
if (0 === strpos($url, $val)) {
$url = $key . substr($url, strlen($val));
$matchAlias = true;
break;
}
}
}
if (!$matchAlias) {
// 路由标识不存在 直接解析
$url = self::parseUrl($url, $domain);
}
if (isset($info['query'])) {
// 解析地址里面参数 合并到vars
parse_str($info['query'], $params);
$vars = array_merge($params, $vars);
}
}
// 检测URL绑定
if (!self::$bindCheck) {
$type = Route::getBind('type');
if ($type) {
$bind = Route::getBind($type);
if (0 === strpos($url, $bind)) {
$url = substr($url, strlen($bind) + 1);
}
}
}
// 还原URL分隔符
$depr = Config::get('pathinfo_depr');
$url = str_replace('/', $depr, $url);
// URL后缀
$suffix = in_array($url, ['/', '']) ? '' : self::parseSuffix($suffix);
// 锚点
$anchor = !empty($anchor) ? '#' . $anchor : '';
// 参数组装
if (!empty($vars)) {
// 添加参数
if (Config::get('url_common_param')) {
$vars = urldecode(http_build_query($vars));
$url .= $suffix . '?' . $vars . $anchor;
} else {
$paramType = Config::get('url_param_type');
foreach ($vars as $var => $val) {
if ('' !== trim($val)) {
if ($paramType) {
$url .= $depr . urlencode($val);
} else {
$url .= $depr . $var . $depr . urlencode($val);
}
}
}
$url .= $suffix . $anchor;
}
} else {
$url .= $suffix . $anchor;
}
// 检测域名
$domain = self::parseDomain($url, $domain);
// URL组装
$url = $domain . rtrim(self::$root ?: Request::instance()->root(), '/') . '/' . ltrim($url, '/');
self::$bindCheck = false;
return $url;
}
// 直接解析URL地址
protected static function parseUrl($url, &$domain)
{
$request = Request::instance();
if (0 === strpos($url, '/')) {
// 直接作为路由地址解析
$url = substr($url, 1);
} elseif (false !== strpos($url, '\\')) {
// 解析到类
$url = ltrim(str_replace('\\', '/', $url), '/');
} elseif (0 === strpos($url, '@')) {
// 解析到控制器
$url = substr($url, 1);
} else {
// 解析到 模块/控制器/操作
$module = $request->module();
$domains = Route::rules('domain');
if (true === $domain && 2 == substr_count($url, '/')) {
$current = $request->host();
$match = [];
$pos = [];
foreach ($domains as $key => $item) {
if (isset($item['[bind]']) && 0 === strpos($url, $item['[bind]'][0])) {
$pos[$key] = strlen($item['[bind]'][0]) + 1;
$match[] = $key;
$module = '';
}
}
if ($match) {
$domain = current($match);
foreach ($match as $item) {
if (0 === strpos($current, $item)) {
$domain = $item;
}
}
self::$bindCheck = true;
$url = substr($url, $pos[$domain]);
}
} elseif ($domain) {
if (isset($domains[$domain]['[bind]'][0])) {
$bindModule = $domains[$domain]['[bind]'][0];
if ($bindModule && !in_array($bindModule[0], ['\\', '@'])) {
$module = '';
}
}
}
$module = $module ? $module . '/' : '';
$controller = Loader::parseName($request->controller());
if ('' == $url) {
// 空字符串输出当前的 模块/控制器/操作
$url = $module . $controller . '/' . $request->action();
} else {
$path = explode('/', $url);
$action = Config::get('url_convert') ? strtolower(array_pop($path)) : array_pop($path);
$controller = empty($path) ? $controller : (Config::get('url_convert') ? Loader::parseName(array_pop($path)) : array_pop($path));
$module = empty($path) ? $module : array_pop($path) . '/';
$url = $module . $controller . '/' . $action;
}
}
return $url;
}
// 检测域名
protected static function parseDomain(&$url, $domain)
{
if (!$domain) {
return '';
}
$request = Request::instance();
$rootDomain = Config::get('url_domain_root');
if (true === $domain) {
// 自动判断域名
$domain = Config::get('app_host') ?: $request->host();
$domains = Route::rules('domain');
if ($domains) {
$route_domain = array_keys($domains);
foreach ($route_domain as $domain_prefix) {
if (0 === strpos($domain_prefix, '*.') && strpos($domain, ltrim($domain_prefix, '*.')) !== false) {
foreach ($domains as $key => $rule) {
$rule = is_array($rule) ? $rule[0] : $rule;
if (is_string($rule) && false === strpos($key, '*') && 0 === strpos($url, $rule)) {
$url = ltrim($url, $rule);
$domain = $key;
// 生成对应子域名
if (!empty($rootDomain)) {
$domain .= $rootDomain;
}
break;
} elseif (false !== strpos($key, '*')) {
if (!empty($rootDomain)) {
$domain .= $rootDomain;
}
break;
}
}
}
}
}
} else {
if (empty($rootDomain)) {
$host = Config::get('app_host') ?: $request->host();
$rootDomain = substr_count($host, '.') > 1 ? substr(strstr($host, '.'), 1) : $host;
}
if (substr_count($domain, '.') < 2 && !strpos($domain, $rootDomain)) {
$domain .= '.' . $rootDomain;
}
}
if (false !== strpos($domain, ':')) {
$scheme = '';
} else {
$scheme = $request->isSsl() || Config::get('is_https') ? 'https://' : 'http://';
}
return $scheme . $domain;
}
// 解析URL后缀
protected static function parseSuffix($suffix)
{
if ($suffix) {
$suffix = true === $suffix ? Config::get('url_html_suffix') : $suffix;
if ($pos = strpos($suffix, '|')) {
$suffix = substr($suffix, 0, $pos);
}
}
return (empty($suffix) || 0 === strpos($suffix, '.')) ? $suffix : '.' . $suffix;
}
// 匹配路由地址
public static function getRuleUrl($rule, &$vars = [])
{
foreach ($rule as $item) {
list($url, $pattern, $domain, $suffix) = $item;
if (empty($pattern)) {
return [$url, $domain, $suffix];
}
foreach ($pattern as $key => $val) {
if (isset($vars[$key])) {
$url = str_replace(['[:' . $key . ']', '<' . $key . '?>', ':' . $key . '', '<' . $key . '>'], urlencode($vars[$key]), $url);
unset($vars[$key]);
$result = [$url, $domain, $suffix];
} elseif (2 == $val) {
$url = str_replace(['/[:' . $key . ']', '[:' . $key . ']', '<' . $key . '?>'], '', $url);
$result = [$url, $domain, $suffix];
} else {
break;
}
}
if (isset($result)) {
return $result;
}
}
return false;
}
// 指定当前生成URL地址的root
public static function root($root)
{
self::$root = $root;
Request::instance()->root($root);
}
}
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