YwxAppThink/addon/blog/controller/Rss.php

<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: ywxapp<admin@ywxapp.cn>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace addon\blog\controller;
use ywxapp\controller\FrontendBase;
use addon\blog\model\BlogArticle as ArticleModel;
use think\facade\Config;
use think\facade\Request;
use think\facade\Response;
use think\facade\View; 

/**
 * Rss 类
 *
 * @author ywxapp <admin@ywxapp.cn>
 */
class Rss extends FrontendBase
{
    /**
     * Summary of needLogin
     * @var array
     */
    protected $noNeedLogin = ['*'];

    /**
     * Summary of needRight
     * @var array
     */
    protected $noNeedVerify = [];

    /**
     * 控制器初始化 _initialize
     * @return void
     */
    protected function initialize()
    {}

 
    /**
     * RSS订阅页面
     */
    public function index()
    {
        $page = Request::param('page', 1);
        $pageSize = 20;
        
        // RSS 同样只输出「已发布 + 审核通过」的文章
        $articles = ArticleModel::with(['user', 'category'])
            ->where('status', 1)
            ->where('audit_status', 2)
            ->order('create_at', 'desc')
            ->page($page, $pageSize)
            ->select();
            
        $siteName = Config::get('site.name', 'TP-Blog');
        $siteUrl = Config::get('site.url', 'http://localhost');
        $description = Config::get('site.description', 'TP-Blog是一个基于ThinkPHP的博客系统');
        
        $xml = $this->generateRssXml($articles, $siteName, $siteUrl, $description);
        
        return Response::create($xml, 'xml');
    }
    
    /**
     * 生成RSS XML
     */
    private function generateRssXml($articles, $siteName, $siteUrl, $description)
    {
        $xml = '<?xml version="1.0" encoding="UTF-8"?>';
        $xml .= '<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">';
        $xml .= '<channel>';
        $xml .= '<title>' . htmlspecialchars($siteName) . '</title>';
        $xml .= '<link>' . htmlspecialchars($siteUrl) . '</link>';
        $xml .= '<description>' . htmlspecialchars($description) . '</description>';
        $xml .= '<language>zh-cn</language>';
        $xml .= '<lastBuildDate>' . date('r') . '</lastBuildDate>';
        $xml .= '<atom:link href="' . htmlspecialchars($siteUrl) . '/rss" rel="self" type="application/rss+xml" />';
        
        foreach ($articles as $article) {
            $xml .= '<item>';
            $xml .= '<title>' . htmlspecialchars($article->title) . '</title>';
            $xml .= '<link>' . htmlspecialchars($siteUrl . '/article/' . $article->id) . '</link>';
            $xml .= '<description>' . htmlspecialchars($article->summary ?: strip_tags(mb_substr($article->content, 0, 200))) . '</description>';
            $xml .= '<pubDate>' . date('r', $article->create_at) . '</pubDate>';
            $xml .= '<author>' . htmlspecialchars($article->user->nickname) . '</author>';
            $xml .= '<category>' . htmlspecialchars($article->category->name) . '</category>';
            $xml .= '<guid>' . htmlspecialchars($siteUrl . '/article/' . $article->id) . '</guid>';
            $xml .= '</item>';
        }
        
        $xml .= '</channel>';
        $xml .= '</rss>';
        
        return $xml;
    }
    
    /**
     * RSS阅读器页面
     */
    public function reader()
    {
        $siteName = Config::get('site.name', 'TP-Blog');
        // 注意：必须带插件前缀 /blog，否则指向站点根的 /rss（不存在）
        $rssUrl = Config::get('site.url', 'http://localhost') . (string) url('blog/rss/index');
        
        return View::fetch('index/rss/reader', [
            'siteName' => $siteName,
            'rssUrl' => $rssUrl
        ]);
    }
}