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yii分頁(yè)組件用法實(shí)例分析

 更新時(shí)間:2015年12月28日 09:42:02   作者:釋然me  
這篇文章主要介紹了yii分頁(yè)組件用法,結(jié)合實(shí)例形式較為詳細(xì)的分析了yii分頁(yè)組件的調(diào)用及具體的分頁(yè)顯示實(shí)現(xiàn)技巧,需要的朋友可以參考下

本文實(shí)例講述了yii分頁(yè)組件用法。分享給大家供大家參考,具體如下:

該案例使用時(shí),分頁(yè)類(lèi)在yii框架中以組件的形式存在于components中。

action代碼如下:

public function actionIndex(){
  $user=User::model();
  //分頁(yè)的使用
  $count=$user->count(); //獲取總頁(yè)數(shù)
  $pagesize=3; //每一頁(yè)顯示的記錄條數(shù)
  $page=new Page($count,$pagesize);
  $sql="select * from {{user}} $page->limit";
  $info=$user->findAllBySql($sql);
  $show_page=$page->fpage();
  $this->renderPartial("index",array("info"=>$info,'show_page'=>$show_page));
}

在view頁(yè)面,遍歷info即可獲取信息,輸出show_page即可顯示分頁(yè)列表等信息。

現(xiàn)附上page.php代碼如下:

<?php
/**
 * 分頁(yè)類(lèi),以組件形式存在于componnets文件中
 */
class Page {
  private $total; //數(shù)據(jù)表中總記錄數(shù)
  private $listRows; //每頁(yè)顯示行數(shù)
  private $limit;
  private $uri;
  private $pageNum; //頁(yè)數(shù)
  private $config=array('header'=>"個(gè)記錄", "prev"=>"上一頁(yè)", "next"=>"下一頁(yè)", "first"=>"首 頁(yè)", "last"=>"尾 頁(yè)");
  private $listNum=8;
  /*
   * $total
   * $listRows
   */
  public function __construct($total, $listRows=10, $pa=""){
   $this->total=$total;
   $this->listRows=$listRows;
   $this->uri=$this->getUri($pa);
   $this->page=!empty($_GET["page"]) ? $_GET["page"] : 1;
   $this->pageNum=ceil($this->total/$this->listRows);
   $this->limit=$this->setLimit();
  }
  private function setLimit(){
   return "Limit ".($this->page-1)*$this->listRows.", {$this->listRows}";
  }
  private function getUri($pa){
   $url=$_SERVER["REQUEST_URI"].(strpos($_SERVER["REQUEST_URI"], '?')?'':"?").$pa;
   $parse=parse_url($url);
   if(isset($parse["query"])){
    parse_str($parse['query'],$params);
    unset($params["page"]);
    $url=$parse['path'].'?'.http_build_query($params);
   }
   return $url;
  }
  function __get($args){
   if($args=="limit")
    return $this->limit;
   else
    return null;
  }
  private function start(){
   if($this->total==0)
    return 0;
   else
    return ($this->page-1)*$this->listRows+1;
  }
  private function end(){
   return min($this->page*$this->listRows,$this->total);
  }
  private function first(){
      $html='';
   if($this->page==1)
    $html.='';
   else
    $html.=" <a href='{$this->uri}&page=1'>{$this->config["first"]}</a> ";
   return $html;
  }
  private function prev(){
      $html='';
   if($this->page==1)
    $html.='';
   else
    $html.=" <a href='{$this->uri}&page=".($this->page-1)."'>{$this->config["prev"]}</a> ";
   return $html;
  }
  private function pageList(){
   $linkPage="";
   $inum=floor($this->listNum/2);
   for($i=$inum; $i>=1; $i--){
    $page=$this->page-$i;
    if($page<1)
     continue;
    $linkPage.=" <a href='{$this->uri}&page={$page}'>{$page}</a> ";
   }
   $linkPage.=" {$this->page} ";
   for($i=1; $i<=$inum; $i++){
    $page=$this->page+$i;
    if($page<=$this->pageNum)
     $linkPage.=" <a href='{$this->uri}&page={$page}'>{$page}</a> ";
    else
     break;
   }
   return $linkPage;
  }
  private function next(){
      $html='';
   if($this->page==$this->pageNum)
    $html.='';
   else
    $html.=" <a href='{$this->uri}&page=".($this->page+1)."'>{$this->config["next"]}</a> ";
   return $html;
  }
  private function last(){
      $html='';
   if($this->page==$this->pageNum)
    $html.='';
   else
    $html.=" <a href='{$this->uri}&page=".($this->pageNum)."'>{$this->config["last"]}</a> ";
   return $html;
  }
  private function goPage(){
   return ' <input type="text" onkeydown="javascript:if(event.keyCode==13){var page=(this.value>'.$this->pageNum.')?'.$this->pageNum.':this.value;location=\''.$this->uri.'&page=\'+page+\'\'}" value="'.$this->page.'" style="width:25px"><input type="button" value="GO" onclick="javascript:var page=(this.previousSibling.value>'.$this->pageNum.')?'.$this->pageNum.':this.previousSibling.value;location=\''.$this->uri.'&page=\'+page+\'\'"> ';
  }
  function fpage($display=array(0,1,2,3,4,5,6,7,8)){
   $html[0]=" 共有<b>{$this->total}</b>{$this->config["header"]} ";
   $html[1]=" 每頁(yè)顯示<b>".($this->end()-$this->start()+1)."</b>條,本頁(yè)<b>{$this->start()}-{$this->end()}</b>條 ";
   $html[2]=" <b>{$this->page}/{$this->pageNum}</b>頁(yè) ";
   $html[3]=$this->first();
   $html[4]=$this->prev();
   $html[5]=$this->pageList();
   $html[6]=$this->next();
   $html[7]=$this->last();
   $html[8]=$this->goPage();
   $fpage='';
   foreach($display as $index){
    $fpage.=$html[$index];
   }
   return $fpage;
  }
}

希望本文所述對(duì)大家基于yii框架的PHP程序設(shè)計(jì)有所幫助。

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