之前用yaf和yii框架写过sitemap：思路是根据需求生成.xml文件保存到项目指定目录中。

用laravel换一个思路，生成.xml动态链接，而不是保存文件到目录

1.配置routes，生成xml访问链接

2.根据项目逻辑生成sitemap

上代码：

配置routes

    //sitemap    Route::get('/sitemap/m/{type}.xml', 'SitemapController@siteMap');

核心代码

<?phpnamespace App\Http\Controllers\M;use App\Http\Controllers\BaseController;use App\Model\Bbs\Article;use App\Model\Bbs\Ask;use App\Model\Bbs\Thread;use App\Model\Main\Video;use App\Model\Garage\SeriesInfoModel;//todo 补充其他模块use Carbon\Carbon;use Illuminate\Support\Facades\Cache;class SitemapController extends BaseController{    //todo 写一个汇总文件    public function siteMap($type)    {        $cacheKey = "site-" . $type;        //2小时缓存 保证加载速度        if (Cache::has($cacheKey)) {            $siteMap = Cache::get($cacheKey);        } else {            $siteMap = $this->buildSiteMap($type);            Cache::add($cacheKey, $siteMap, 120);        }        return response($siteMap)            ->header('Content-type', 'text/xml');    }    /**     * Build the Site Map     */    protected function buildSiteMap($type)    {        $sitemapInfo = [];        switch ($type) {            case 'video':                $sitemapInfo = $this->getVideoInfo();                break;            case 'article':                $sitemapInfo = $this->getArticleInfo();                break;            case 'bbs':                $sitemapInfo = $this->getBbsInfo();                break;            case 'ask':                $sitemapInfo = $this->getAskInfo();                break;            case 'series':                $sitemapInfo = $this->getSeriesInfo();//车型库                break;        }        $lastmod = $sitemapInfo[0]['pub_time'];        $xml = [];        $xml[] = '<?xml version="1.0" encoding="UTF-8"?' . '>';        $xml[] = '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:mobile="http://www.baidu.com/schemas/sitemap-mobile/1/">';        $xml[] = '  <url>';        $xml[] = "    <loc>https://m.xxx.com</loc>";        $xml[] = "    <lastmod>$lastmod</lastmod>";        $xml[] = '    <changefreq>daily</changefreq>';        $xml[] = '    <priority>0.8</priority>';        $xml[] = '  </url>';        foreach ($sitemapInfo as $sitemap) {            $xml[] = '  <url>';            $xml[] = "    <loc>{$sitemap['url']}</loc>";            $xml[] = "    <mobile:mobile type=\"mobile\"/>";            $xml[] = "    <lastmod>{$sitemap['pub_time']}</lastmod>";            $xml[] = "  </url>";        }        $xml[] = '</urlset>';        return join("\n", $xml);    }    /**     * Return all the posts as $url => $date     */    protected function getVideoInfo()    {        $videos = Video::where('pub_time', '<=', Carbon::now())            ->where('published', 2)            ->where('is_del', 0)            ->orderBy('id', 'desc')            ->pluck('pub_time', 'id')            ->all();        $res = $article = [];        foreach ($videos as $id => $pub_time) {            $article['id'] = $id;            $article['pub_time'] = substr($pub_time, 0, 10);            $article['url'] = "https://m.xxx.com/video_" . $id . ".html";            $res[] = $article;        }        return $res;    }    protected function getArticleInfo()    {        $articles = Article::where('pub_time', '<=', Carbon::now())            ->where('published', 2)            ->where('is_del', 0)            ->orderBy('id', 'desc')            ->pluck('pub_time', 'id')            ->take(5000)            ->all();        $res = $article = [];        foreach ($articles as $id => $pub_time) {            $article['id'] = $id;            $article['pub_time'] = substr($pub_time, 0, 10);            $article['url'] = "https://m.xxx.com/news/article_" . $id . ".html";            $res[] = $article;        }        return $res;    }    protected function getBbsInfo()    {        $articles = Thread::where('visible', 1)            ->where('is_del', 0)            ->orderBy('id', 'desc')            ->pluck('dateline', 'id')            ->take(10000)            ->all();        $res = $article = [];        foreach ($articles as $id => $pub_time) {            $article['id'] = $id;            $article['pub_time'] = substr($pub_time, 0, 10);            $article['url'] = "https://m.xxx.com/bbs/thread_" . $id . ".html";            $res[] = $article;        }        return $res;    }    protected function getAskInfo()    {        $articles = Ask::where('state', 1)            ->orderBy('id', 'desc')            ->pluck('dateline', 'id')            ->take(10000)            ->all();        $res = $article = [];        foreach ($articles as $id => $pub_time) {            $article['id'] = $id;            $article['pub_time'] = substr($pub_time, 0, 10);            $article['url'] = "https://m.xxx.com/ask_" . $id . ".html";            $res[] = $article;        }        return $res;    }    //车型库    protected function getSeriesInfo()    {        $articles = SeriesInfoModel::where('status', 1)            ->where('is_stop', 0)            ->pluck('name', 'id')            ->all();        $res = $article = [];        foreach ($articles as $id => $pub_time) {            $article['id'] = $id;            $article['pub_time'] = date('Y-m-d', time());            $article['url'] = "https://m.xxx.com/series/" . $id . "/details";            $res[] = $article;        }        return $res;    }}

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