使用PHP生成网站Sitemap，Laravel风格

PHP生成网站Sitemap，包含默认、分类、文章、标签、profile等

1<?php
2
3namespace App\Libs;
4
5use App\Services\ArticleService;
6use App\Services\CategoryService;
7use App\Services\TagService;
8use App\Services\UserService;
9
10class Sitemap {
11
12    public static $url = 'http://blog.getcoder.cn';
13    public static $defaultXml = [
14        [
15            'loc' => '/',
16            'priority' => 1.00,
17        ],
18        [
19            'loc' => '/hot',
20            'priority' => 0.80,
21        ],
22        [
23            'loc' => '/login',
24            'priority' => 0.80,
25        ],
26    ];
27
28    public static function createSitemap(){
29        // 创建一个DOMDocument对象
30        $dom = new \DOMDocument("1.0","utf-8");
31        header("Content-Type: text/xml");
32        // 创建根节点
33        $root = $dom->createElement("urlset");
34        $dom->appendChild($root);
35        //生成默认的Url
36        self::createUrl($root, $dom, self::$defaultXml);
37
38        //生成分类
39        $catList = CategoryService::getList();
40        $catXml = [];
41        if(!empty($catList)){
42            foreach ($catList as $item){
43                $catXml[] = [
44                    'loc' => '/category?id=' . $item->id,
45                    'priority' => 0.64,
46                    'lastmod' => $item->update_time
47                ];
48            }
49        }
50        self::createUrl($root, $dom, $catXml);
51
52        //生成文章
53        $articleList = ArticleService::getList();
54        $articleXml = [];
55        if(!empty($articleList)){
56            foreach ($articleList as $item){
57                $articleXml[] = [
58                    'loc' => '/article?id=' . $item->id,
59                    'priority' => 0.94,
60                    'lastmod' => $item->update_time
61                ];
62            }
63        }
64        self::createUrl($root, $dom, $articleXml);
65
66        //生成Tag
67        $tagList = TagService::getList();
68        $tagXml = [];
69        if(!empty($tagList)){
70            foreach ($tagList as $item){
71                $tagXml[] = [
72                    'loc' => '/tag?id=' . $item->id,
73                    'priority' => 0.64,
74                    'lastmod' => $item->create_time
75                ];
76            }
77        }
78        self::createUrl($root, $dom, $tagXml);
79
80        //生成用户主页
81        $userList = UserService::getList();
82        $userXml = [];
83        if(!empty($userList)){
84            foreach ($userList as $item){
85                $userXml[] = [
86                    'loc' => '/profile?uid=' . $item->uid,
87                    'priority' => 0.7,
88                    'lastmod' => $item->create_time
89                ];
90            }
91        }
92        self::createUrl($root, $dom, $userXml);
93
94        //生成xml文件
95        $dom->save(public_path() . "/sitemap.xml");exit;
96    }
97
98    public static function createUrl(&$root, &$dom, $data){
99        $date = date('Y-m-d');
100        foreach($data as $value){
101            // 建立根下子节点track
102            $track = $dom->createElement("url");
103            $root->appendChild($track);
104            // 建立track节点下元素
105            $loc = $dom->createElement("loc");
106            $priority = $dom->createElement("priority");
107            $lastmod = $dom->createElement("lastmod");
108            $changefreq = $dom->createElement("changefreq");
109
110            $track->appendChild($loc);
111            $track->appendChild($priority);
112            $track->appendChild($lastmod);
113            $track->appendChild($changefreq);
114
115            // 赋值
116            $locNode        = $dom->createTextNode(self::$url.$value['loc']);
117            $date = empty($value['lastmod']) ? $date : date('Y-m-d',  strtotime($value['lastmod']));
118            $lastmodNode    = $dom->createTextNode($date);
119            $changefreqNode = $dom->createTextNode('daily');
120            $priorityNode   = $dom->createTextNode($value['priority']);
121            $loc->appendChild($locNode);
122            $lastmod->appendChild($lastmodNode);
123            $changefreq->appendChild($changefreqNode);
124            $priority->appendChild($priorityNode);
125        }
126    }
127
128}