Home Backend Development PHP Tutorial CodeIgniter生成网站sitemap地图的方法_php技巧

CodeIgniter生成网站sitemap地图的方法_php技巧

May 17, 2016 am 08:52 AM
codeigniter

1.建立了一个名为sitemap的控制器

复制代码 代码如下:

if (!defined('BASEPATH'))
 exit ('No direct script access allowed');

class Sitemap extends CI_Controller{
 public function __construct() {
  parent::__construct();
  $this->load->model('sitemapxml'); 
 }

 function index(){
  $data['posts']=$this->sitemapxml->getArticle();
  $data['categorys']=$this->sitemapxml->getCategory();
  $this->load->view('sitemap.php',$data);
 }
}

首先加载sitemapxml模型类,index方法调用两个方法,分别获取文章列表和类别列表,以在模板中输出。

2.创建一个名为sitemapxml的模型

复制代码 代码如下:

class Sitemapxml extends CI_Model{
 public function __construct() {
  parent :: __construct();
  $this->load->database();
 }

 public function getArticle(){
  $this->db->select('ID,post_date,post_name');
  $this->db->order_by('post_date', 'desc');
  $result=$this->db->get('posts');
  return $result->result_array();
 }

 public function getCategory(){
  $this->db->select('c_sname');
  $result=$this->db->get('category');
  return $result->result_array();
 }
}

模型里面定义两个方法,获取文章列表和类别列表。

3.创建一个名为sitemap.php的模板

复制代码 代码如下:





sitemap


echo htmlspecialchars('').'
';
echo htmlspecialchars('').'
';

//首页单独写一个url
echo htmlspecialchars('').'
';
echo htmlspecialchars(' ').'http://aa.sinaapp.com'.htmlspecialchars('').'
';
echo htmlspecialchars('').date('Y-m-d',time()).htmlspecialchars('').'
';
echo htmlspecialchars('').'daily'.htmlspecialchars('').'
';
echo htmlspecialchars('').'1'.htmlspecialchars('').'
';
echo htmlspecialchars('
').'
';

//类别页
foreach ($categorys as $category){
 echo htmlspecialchars('').'
';
 echo htmlspecialchars(' ').'http://aa.sinaapp.com/index.php/home/cat/'.$category['c_sname'].htmlspecialchars('').'
';
 echo htmlspecialchars('').date('Y-m-d',time()).htmlspecialchars('').'
';
 echo htmlspecialchars('').'weekly'.htmlspecialchars('').'
';
 echo htmlspecialchars('').'0.8'.htmlspecialchars('').'
';
 echo htmlspecialchars('
').'
';
}

//文章页
foreach ($posts as $post){
 echo htmlspecialchars('').'
';
 echo htmlspecialchars(' ').'http://aa.sinaapp.com/index.php/home/details/'.$post['post_name'].htmlspecialchars('').'
';
 echo htmlspecialchars('').date('Y-m-d',strtotime($post['post_date'])).htmlspecialchars('').'
';
 echo htmlspecialchars('').'weekly'.htmlspecialchars('').'
';
 echo htmlspecialchars('').'0.6'.htmlspecialchars('').'
';
 echo htmlspecialchars('
').'
';
}

//留言板
echo htmlspecialchars('').'
';
echo htmlspecialchars(' ').'http://aa.sinaapp.com/index.php/guest'.htmlspecialchars('').'
';
echo htmlspecialchars('').date('Y-m-d',time()).htmlspecialchars('').'
';
echo htmlspecialchars('').'weekly'.htmlspecialchars('').'
';
echo htmlspecialchars('').'0.5'.htmlspecialchars('').'
';
echo htmlspecialchars('
').'
';

echo htmlspecialchars('
');
?>



最重要的就是这个模板了,按照sitemap.xml的标准格式,从数据库中读取相关数据,用循环的方式自动生成这样的格式,页面上展示的是html形式的xml的内容。

然后再用一个很笨的方法,将生成的html文本(实际上就是xml文件的显示内容),复制到一个新建的sitemap.xml文件,格式化一下,保存,就产生了一个标准的sitemap.xml文件。因为要用的SAE部署应用,目录不支持写操作,只能这样上传了,隔一段时间这样弄一下就ok了。

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