使用PHP生成网站Sitemap,Laravel风格

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PHP生成网站Sitemap,包含默认、分类、文章、标签、profile等 image

<?php

namespace App\Libs;

use App\Services\ArticleService;
use App\Services\CategoryService;
use App\Services\TagService;
use App\Services\UserService;

class Sitemap {

    public static $url = 'http://blog.getcoder.cn';
    public static $defaultXml = [
        [
            'loc' => '/',
            'priority' => 1.00,
        ],
        [
            'loc' => '/hot',
            'priority' => 0.80,
        ],
        [
            'loc' => '/login',
            'priority' => 0.80,
        ],
    ];

    public static function createSitemap(){
        // 创建一个DOMDocument对象
        $dom = new \DOMDocument("1.0","utf-8");
        header("Content-Type: text/xml");
        // 创建根节点
        $root = $dom->createElement("urlset");
        $dom->appendChild($root);
        //生成默认的Url
        self::createUrl($root, $dom, self::$defaultXml);

        //生成分类
        $catList = CategoryService::getList();
        $catXml = [];
        if(!empty($catList)){
            foreach ($catList as $item){
                $catXml[] = [
                    'loc' => '/category?id=' . $item->id,
                    'priority' => 0.64,
                    'lastmod' => $item->update_time
                ];
            }
        }
        self::createUrl($root, $dom, $catXml);

        //生成文章
        $articleList = ArticleService::getList();
        $articleXml = [];
        if(!empty($articleList)){
            foreach ($articleList as $item){
                $articleXml[] = [
                    'loc' => '/article?id=' . $item->id,
                    'priority' => 0.94,
                    'lastmod' => $item->update_time
                ];
            }
        }
        self::createUrl($root, $dom, $articleXml);

        //生成Tag
        $tagList = TagService::getList();
        $tagXml = [];
        if(!empty($tagList)){
            foreach ($tagList as $item){
                $tagXml[] = [
                    'loc' => '/tag?id=' . $item->id,
                    'priority' => 0.64,
                    'lastmod' => $item->create_time
                ];
            }
        }
        self::createUrl($root, $dom, $tagXml);

        //生成用户主页
        $userList = UserService::getList();
        $userXml = [];
        if(!empty($userList)){
            foreach ($userList as $item){
                $userXml[] = [
                    'loc' => '/profile?uid=' . $item->uid,
                    'priority' => 0.7,
                    'lastmod' => $item->create_time
                ];
            }
        }
        self::createUrl($root, $dom, $userXml);

        //生成xml文件
        $dom->save(public_path() . "/sitemap.xml");exit;
    }

    public static function createUrl(&$root, &$dom, $data){
        $date = date('Y-m-d');
        foreach($data as $value){
            // 建立根下子节点track
            $track = $dom->createElement("url");
            $root->appendChild($track);
            // 建立track节点下元素
            $loc = $dom->createElement("loc");
            $priority = $dom->createElement("priority");
            $lastmod = $dom->createElement("lastmod");
            $changefreq = $dom->createElement("changefreq");

            $track->appendChild($loc);
            $track->appendChild($priority);
            $track->appendChild($lastmod);
            $track->appendChild($changefreq);

            // 赋值
            $locNode        = $dom->createTextNode(self::$url.$value['loc']);
            $date = empty($value['lastmod']) ? $date : date('Y-m-d',  strtotime($value['lastmod']));
            $lastmodNode    = $dom->createTextNode($date);
            $changefreqNode = $dom->createTextNode('daily');
            $priorityNode   = $dom->createTextNode($value['priority']);
            $loc->appendChild($locNode);
            $lastmod->appendChild($lastmodNode);
            $changefreq->appendChild($changefreqNode);
            $priority->appendChild($priorityNode);
        }
    }

} 
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