# 正则路由 定义规则 ~~~ return [ // 文章详情，以数字为结尾 http://localhost/blog/index.php/17.html '/^(\d+?)$/' =>'index/Article/articleDetail/article_id/$1', ]; ~~~ 运行原理 ~~~ $path_info = $_SERVER['PATH_INFO']; $key = '/^(\d+?)$/'; $value = 'index/Article/articleDetail/article_id/$1'; preg_replace($key, $value, $path_info); ~~~ 最终会替换成实际地址 ~~~ http://localhost/index.php/index/Article/articleDetail/article_id/17 ~~~ 浏览器显示地址 ~~~ http://localhost/index.php/17.html ~~~ 支持伪静态后缀名 .html .php .jsp .asp 。添加与否，不会影响正常访问