php怎么生成sitemap.xml

发布网友发布时间：2022-04-07 08:21

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共3个回答

懂视网时间：2022-04-07 12:42

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

<?php
namespace AppHttpControllersM;
use AppHttpControllersBaseController;
use AppModelBbsArticle;
use AppModelBbsAsk;
use AppModelBbsThread;
use AppModelMainVideo;
use AppModelGarageSeriesInfoModel;
//todo 补充其他模块
use CarbonCarbon;
use IlluminateSupportFacadesCache;
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("
", $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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热心网友时间：2022-04-07 09:50

/**
* 生成站点地图
*/
class sitemap{
    private $sitemapFile = array();
    private $oldxml      = null;
    private $newxml      = null;
    public $error        = null;
    public function __construct($sitemapFile) {
        $this->sitemapFile = $sitemapFile;
        if(is_file($this->sitemapFile)) {
            $data = file_get_contents($this->sitemapFile);
            if($data) {
                $this->oldxml = new SimpleXMLElement($data);
            }else{
                $this->error = '读取站点地图文件失败';
            }
        }else{
            $this->oldxml = $this->createEmptySitemap();
        }
        $this->newxml = $this->createEmptySitemap();
    }
    public function createEmptySitemap() {
        $str = '<?xml version="1.0" encoding="UTF-8"?>';
        $str .= '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9        http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"> </urlset>';
        return new SimpleXMLElement($str);
    }
    public function addChilds($urlArr) {
        $urlArr = (array) $urlArr;
        foreach($urlArr as $url) {
            $priority = 0.5;
            $lastmod = date('Y-m-d');
            $changefreq = 'weekly';
            if(stripos($url,'.html')) {
                $priority = 1;
                $changefreq = 'monthly';
            }
            if($oldXmlUrl = $this->findOldXmlUrl($url)) {
                $priority = $oldXmlUrl->priority;
                $lastmod = $oldXmlUrl->lastmod;
                $changefreq = $oldXmlUrl->changefreq;
            }
            $rating = $this->newxml->addChild('url');
            $rating->addChild('loc',$url);
            $rating->addChild('priority',$priority);
            $rating->addChild('lastmod',$lastmod);
            $rating->addChild('changefreq',$changefreq);
        }
    }
    public function findOldXmlUrl($url) {
        $oldXmlUrl = '';
        foreach($this->oldxml->url as $key=>$xmlUrl) {
            if($xmlUrl->loc == $url) {
                $oldXmlUrl = $xmlUrl;
                unset($this->oldxml->url[$key]);
                break;
            }
        }
        return $oldXmlUrl;
    }
    public function save() {
        $data = $this->newxml->asXML();
        if(file_put_contents($this->sitemapFile,$data) === false) {
            $this->error = '写入站点地图数据失败';
            return false;
        }
        return true;
    }
}

上面这个是我个人博客生成站点地图用的类。

客户端调用代码如下：

$sitemapFile = 'Sitemap.xml';
$sitemap = new sitemap($sitemapFile);

if($sitemap->error) {
    die($sitemap->error);
}

$newUrl = [
    'http://www.kiscms.com/content/28.html'
];

$sitemap->addChilds();

if(!$sitemap->save()) {
    die($sitemap->error);
}

关键的问题是，你如何得到整站的url呢？

我个人博客的解决方法是写了个蜘蛛程序爬出来的。

热心网友时间：2022-04-07 11:08

Sitemap 可方便网站管理员通知搜索引擎他们网站上有哪些可供抓取的网页。最简单的 Sitemap 形式，就是XML 文件，在其中列出网站中的网址以及关于每个网址的其他元数据（上次更新的时间、更改的频率以及相对于网站上其他网址的重要程度为何等），以便搜索引擎可以更加智能地抓取网站。

当php提交的时候，对应事件代码如下：

$xml="sitemap.xml";
$sitemap='<?xml version="1.0" encoding="UTF-8"?>
<urlset><url>
    <loc>这里是网址比如(3tii.com)</loc>
    <lastmod>'.date("Y-m-d",time()).'</lastmod>
    <changefreq>always</changefreq>
    <priority>1.0</priority>
</url>
</urlset>';
$fpxml=fopen($xml,"w+");
fwrite($fpxml,$sitemap);
fclose($fpxml);

sitemap.xml是你对应的文件，如果路径不同，前面可能需要加"../"之类的，priority
改为0.8好些。