使用codeignitor实现动态菜单/页眉/页脚的最佳方式

问题描述

我只是想知道实现菜单，页眉和页脚与更改内容，如通知使用codeignitor的最佳方式/实践。

I was just wondering the best way/practice to implement menus, headers and footers with changing content such as notifications using codeignitor.

例如，我有一个警报在头文件菜单中，链接回数据库中的数据，我需要检查更改每次加载页面。最初，我想我可以使用$ this-> load-> view（'header'）每次调用头，但这意味着我需要一个全局函数来处理警报的任何更改，然后传递到标题视图，每次，不好！

For example say I had an alert within the header menu that linked back to data within a database and I needed to check for changes each time a page is loaded. Initially I thought I could call the header using $this->load->view('header') each time, but this would mean I would need a global function to work out any changes on alerts and then pass that to the header view, each time, not good!

我想我需要一个全局的方法来调用从加载网站标题（菜单）的功能从任何控制器，工作出的内容和显示相应的视图。

I guess I need a global way to call function that loads the website header (menu) from any controller which works out the content and displays the view accordingly.

推荐答案

因此，例如显示博客页面的控制器。

在控制器构造函数中 - 您的博客视图文件和模板名称

so for example a controller that shows blog pages.
in your controller constructor - define the folder your blog view files are in and the template name

// the folder your content files are in
$this->templatefolder = 'blog' ;
// the template name
$this->view_template = 'blog_template' ;

$data['content01'] = 'search_articles';
$data['content02'] = 'main_article';
$data['content03'] = 'suggested_articles';
$this->load->view( $this->view_template, $data );

模板本身
views / blog_template.php

the template itselfviews/blog_template.php

// opening html etc that is generic to website
$this->load->view('tmpl_open');

// so if the header has to be dynamic
// get the header from a model (or library etc)
// and either pass the header content or just echo it out directly
$this->load->model('header');

if( ! $newHeader = $this->header->returnNewHeader() )
{

  // fallback if the header doesn't come back from the model
  $this->load->view('default_header');

}
else
{   echo $newHeader ;     }

// this is optional but IF the template folder is not set
// we have a default folder called 'pages' to look in for the content views

// but in this example the folder is set to be 'blog'
// so the blog view files will be in application/views/blog/search_articles.php etc etc
if( isset($this->templatefolder)){

$templatefolder = $this->templatefolder . '/' ;  }

else { $templatefolder = 'pages/'; }

// header that is specific for the content
$this->load->view($templatefolder . 'header');

// so in this specific example its going to load 3 view files, but this part is completely flexible
if(isset($content01))
$this->load->view($templatefolder.$content01);

if(isset($content02))
$this->load->view($templatefolder.$content02);

if(isset($content03))
$this->load->view($templatefolder.$content03);

if(isset($content04))
$this->load->view($templatefolder.$content04);

if(isset($content05))
$this->load->view($templatefolder.$content05);

if(isset($content06))
$this->load->view($templatefolder.$content06);

if(isset($content07))
$this->load->view($templatefolder.$content07);

if(isset($content08))
$this->load->view($templatefolder.$content08);

// example of an optional file that you can uncomment for testing
// $this->load->view('objecttesting');

// bottom nav bar generic to website
$this->load->view('tmpl_footer');

// closing html etc generic to website
$this->load->view('tmpl_close');

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