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ci分页问题疑似bug(不是bug,已解决)

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发表于 2008-2-19 22:02:03 | 显示全部楼层 |阅读模式
当用apache重写模式时候 对url传递的参数的识别有问题。


article/read/1/1
应该是 读id =1的 文章 并且是评论为第一个页

我把路径写成了article/read/1 这样 分页应该自动 在后边为我加上/page  结果 没有给我加不说 还把当前页数识别成了1
一顿改啊。。。。。
贴下我改过的 可能还有bug没有仔细测试 添加了一个功能为分页生成limit 字符串

PHP复制代码
 
<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package  CodeIgniter
* @author  ExpressionEngine Dev Team
* @copyright Copyright (c) 2006, EllisLab, Inc.
* @license  http://codeigniter.com/user_guide/license.html
* @link  http://codeigniter.com
* @since  Version 1.0
* @filesource
*/

// ------------------------------------------------------------------------
/**
* Pagination Class
*
* @package  CodeIgniter
* @subpackage Libraries
* @category Pagination
* @author  ExpressionEngine Dev Team
* @link  http://codeigniter.com/user_guide/libraries/pagination.html
*/

class CI_Pagination {
var $base_url   = ''; // The page we are linking to
var $total_rows    = ''; // Total number of items (database results)
var $per_page    = 10; // Max number of items you want shown per page
var $num_links   =  2; // Number of "digit" links to show before/after the currently viewed page
var $cur_page    =  0; // The current page being viewed
var $first_link     = '‹ First';
var $next_link   = '>';
var $prev_link   = '<';
var $last_link   = 'Last ›';
var $uri_segment  = 3;
var $full_tag_open  = '';
var $full_tag_close  = '';
var $first_tag_open  = '';
var $first_tag_close = ' ';
var $last_tag_open  = ' ';
var $last_tag_close  = '';
var $cur_tag_open  = ' <b>';
var $cur_tag_close  = '</b>';
var $next_tag_open  = ' ';
var $next_tag_close  = ' ';
var $prev_tag_open  = ' ';
var $prev_tag_close  = '';
var $num_tag_open  = ' ';
var $num_tag_close  = '';
var $limit              = '';
/**
  * Constructor
  *
  * @access public
  * @param array initialization parameters
  */

function CI_Pagination($params = array())
{
  if (count($params) > 0)
  {
   $this->initialize($params);  
  }
 
  log_message('debug', "Pagination Class Initialized");
}
 
// --------------------------------------------------------------------
 
/**
  * Initialize Preferences
  *
  * @access public
  * @param array initialization parameters
  * @return void
  */

function initialize($params = array())
{
  if (count($params) > 0)
  {
   foreach ($params as $key => $val)
   {
    if (isset($this->$key))
    {
     $this->$key = $val;
    }
   }  
  }
}
 
// --------------------------------------------------------------------
 
/**
  * Generate the pagination links
  *
  * @access public
  * @return string
  */

function create_links()
{
   
  // If our item count or per-page total is zero there is no need to continue.
  if ($this->total_rows == 0 OR $this->per_page == 0)
  {
     return '';
  }
  // Calculate the total number of pages
  $num_pages = ceil($this->total_rows / $this->per_page);
  // Is there only one page? Hm... nothing more to do here then.
  if ($num_pages == 1)
  {
   return '';
  }
 
  // Determine the current page number.  
  $CI =& get_instance();
  if ($CI->uri->segment($this->uri_segment) != 0)
  {
   //$this->cur_page = $CI->uri->segment($this->uri_segment);
   //echo $this->uri_segment;
   //echo $this->cur_page;
   // Prep the current page - no funny business!
   $this->cur_page = (int) $this->cur_page;
  }
 
  $this->num_links = (int)$this->num_links;
 
  if ($this->num_links < 1)
  {
   show_error('Your number of links must be a positive number.');
  }
   
  if ( ! is_numeric($this->cur_page))
  {
   $this->cur_page = 0;
  }
 
  // Is the page number beyond the result range?
  // If so we show the last page
  if ($this->cur_page > $this->total_rows)
  {
   $this->cur_page = ($num_pages - 1) * $this->per_page;
  }
 
  $uri_page_number = $this->cur_page;
  //$this->cur_page = floor(($this->cur_page/$this->per_page) + 1);
 
  // Calculate the start and end numbers. These determine
  // which number to start and end the digit links with
  $start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;
  $end   = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;
  // Add a trailing slash to the base URL if needed
  $this->base_url = rtrim($this->base_url, '/') .'/';
  /*
    if($this->cur_page > 1){
   $this->cur_page = $this->cur_page - 1;
  }
  */

  // And here we go...
  $output = '';
 
  // Render the "First" link
  if  ($this->cur_page > $this->num_links)
  {
   $output .= $this->first_tag_open.'<a href="'.$this->base_url.'1">'.$this->first_link.'</a>'.$this->first_tag_close;
  }
 
  // Render the "previous" link
  if  ($this->cur_page != 1)
  {
   $i = $this->cur_page -1 ;
   //$i = $uri_page_number - $this->per_page;
   if ($i == 0) $i = '';
   $output .= $this->prev_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;
  }
  // Write the digit links
 
  for ($loop = $start -1; $loop <= $end; $loop++)
  {
   $i = ($loop * $this->per_page) - $this->per_page;
     
   if ($i >= 0)
   {
    if ($this->cur_page == $loop)
    {
     $output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page
    }
    else
    {
     $n = ($i == 0) ? '' : $i + 1;
     //echo $n;
     $output .= $this->num_tag_open.'<a href="'.$this->base_url.$loop.'">'.$loop.'</a>'.$this->num_tag_close;
    }
   }
  }
 
  // Render the "next" link
  if ($this->cur_page < $num_pages)
  {
   $output .= $this->next_tag_open.'<a href="'.$this->base_url.($this->cur_page + 1).'">'.$this->next_link.'</a>'.$this->next_tag_close;
  }
  // Render the "Last" link
  if (($this->cur_page + $this->num_links) < $num_pages)
  {
   $i = $num_pages;
   //$i = (($num_pages * $this->per_page) - $this->per_page);
   $output .= $this->last_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->last_link.'</a>'.$this->last_tag_close;
  }
  // Kill double slashes.  Note: Sometimes we can end up with a double slash
  // in the penultimate link so we'll kill all double slashes.
  $output = preg_replace("#([^:])//+#", "[url=file://\\1/]\\1/[/url]", $output);
  // Add the wrapper HTML if exists
  $output = $this->full_tag_open.$output.$this->full_tag_close;
 
  //echo $this->cur_page;
  $this->limit = " limit " . ($this->cur_page - 1) * $this->per_page . " , " . $this->per_page;
 
  return $output;
}
}
// END Pagination Class
?>
 
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 楼主| 发表于 2008-2-19 22:43:38 | 显示全部楼层
已经解决。
发表于 2008-2-19 23:12:32 | 显示全部楼层
贴一下解决方案/过程吧。:)
 楼主| 发表于 2008-2-20 00:26:02 | 显示全部楼层
恩 是参数我搞错了 不是bug 呵呵 不好意思。

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