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php完美分页

    博客分类:
  • php
 
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1、分页类

<?php
class PageView{
    /**页码**/
    public $pageNo = 1;
    /**页大小**/
    public $pageSize = 20;
    /**共多少页**/
    public $pageCount = 0;
    /**总记录数**/
    public $totalNum = 0;
    /**偏移量,当前页起始行**/
    public $offSet = 0;
    /**每页数据**/
    public $pageData = array();
    
    /**是否有上一页**/
    public $hasPrePage = true;
    /**是否有下一页**/
    public $hasNextPage = true;
    
    public $pageNoList = array();
    
    public $pageUrl = '';
    
    public $parameterArray = null;

   /**
     * 
     * @param unknown_type $count 总行数
     * @param unknown_type $size 分页大小
     * @param unknown_type $string
     */
    /**
     * 
     * @param $count			总行数
     * @param $size				分页数【默认20】
     * @param $pageNo			当前页
     * @param $pageData			分页数据
     * @param $pageUrl			分页链接url,1、普通url链接 2、js页面跳转 格式 javascript:funcname
     * @param $parameterArray	分页url参数 格式array('id'=>1,'type'=>'add')
     */
    public function __construct($count=0, $size=20,$pageNo=1,$pageData =array(),$pageUrl='',$parameterArray=null){

        $this->totalNum = $count;//总记录数
        $this->pageSize = $size;//每页大小
        $this->pageNo = $pageNo;
        //计算总页数
        $this->pageCount = ceil($this->totalNum/$this->pageSize);
        $this->pageCount = ($this->pageCount<=0)?1:$this->pageCount;
        //检查pageNo
        $this->pageNo = $this->pageNo == 0 ? 1 : $this->pageNo;
        $this->pageNo = $this->pageNo > $this->pageCount? $this->pageCount : $this->pageNo;
        
        //计算偏移
        $this->offset = ( $this->pageNo - 1 ) * $this->pageSize;
        //计算是否有上一页下一页
        $this->hasPrePage = $this->pageNo == 1 ?false:true; 

        $this->hasNextPage = $this->pageNo >= $this->pageCount ?false:true;
        
        $this->pageData = $pageData;
        $this->pageUrl = $pageUrl;
        $this->parameterArray = $parameterArray;
        
    }
    /**
     * 分页算法
     * @return
     */
    private function generatePageList(){
        $pageList = array();
        if($this->pageCount <= 9){
            for($i=0;$i<$this->pageCount;$i++){
                array_push($pageList,$i+1);
            }
        }else{
            if($this->pageNo <= 4){
                for($i=0;$i<5;$i++){
                    array_push($pageList,$i+1);
                }
                array_push($pageList,-1);
                array_push($pageList,$this->pageCount);

            }else if($this->pageNo > $this->pageCount - 4){
                array_push($pageList,1);
                
                array_push($pageList,-1);
                for($i=5;$i>0;$i--){
                    array_push($pageList,$this->pageCount - $i+1);
                }
            }else if($this->pageNo > 4 && $this->pageNo <= $this->pageCount - 4){
                array_push($pageList,1);
                array_push($pageList,-1);
                
                array_push($pageList,$this->pageNo -2);
                array_push($pageList,$this->pageNo -1);
                array_push($pageList,$this->pageNo);
                array_push($pageList,$this->pageNo + 1);
                array_push($pageList,$this->pageNo + 2);
                
                array_push($pageList,-1);
                array_push($pageList,$this->pageCount);
                
            }
        }
        return $pageList;
    }

    /***
     * 创建分页控件
    * @param
    * @return String
    */
    public function echoPageAsDiv(){
        $pageList = $this->generatePageList();
        
        $pageString ="<div class='pagination'><div class='page-bottom'>";
    
        if(!empty($pageList)){
            if($this->pageCount >1){
                if($this->hasPrePage){
                     $pageString = $this->spellUrl($pageString,$this->pageNo-1,'上一页');
                }
                foreach ($pageList as $k=>$p){
                    if($this->pageNo == $p){
                        $pageString = $pageString ."<span class='page-cur'>" . $this->pageNo . "</span>";
                        continue;
                    }
                    if($p == -1){
                        $pageString = $pageString ."<span class='page-break'>...</span>";
                        continue;
                    }
                    
//                    $pageString = $pageString ."<a href=\"javascript:" .$this->jsFunction . "(" . $p . ")\">" . $p . "</a>";
                      $pageString = $this->spellUrl($pageString,$p,$p);
					
                }
                
                if($this->hasNextPage){
                    $pageString = $this->spellUrl($pageString,$this->pageNo+1,'下一页');
                }
                
            }
        }
        $pageString = $pageString .("</div></div>");
        return $pageString;
    }
    public function spellParameterUrl($parameterArray,$isJs= false){
	    $parameterUrl = '';
	    if(empty($parameterArray)){
	    	return $parameterUrl;
	    }
		foreach ($parameterArray as $key=>$value){
			 if($isJs){
		    	$parameterUrl .= ",'$value'";
		     }else{
		     	$parameterUrl .="&$key=$value";
		     }
		}
		return $parameterUrl;
    }
 	public function spellUrl($pageString,$pageNumber,$pageText){
		$isJs = preg_match('/javascript/',$this->pageUrl);
		if($isJs){
			$parameterUrl = $this->spellParameterUrl($this->parameterArray,true);
			$pageUrl = $this->pageUrl.'('.$pageNumber.$parameterUrl.')';
			$pageString = $pageString ."<a href=\"$pageUrl\">" . $pageText . "</a>";
		}else{
			$parameterUrl = $this->spellParameterUrl($this->parameterArray);
			$pageUrl = $this->pageUrl.'?page='.$pageNumber.$parameterUrl;
			$pageString = $pageString ."<a href=\"$pageUrl\">" . $pageText . "</a>";
		}
		return $pageString;
    }
}

?>

 2、分页类使用实例代码

<?php
include 'PageView.php';
header("Content-type:text/html;charset=utf-8");
$pageNo = $_GET['page'];
$pageSize = 1;
//分页数据
$pageData = array (array ('id' => 1 ), array ('id' => 2 ), array ('id' => 3 ), array ('id' => 4 ) );
//取得总行数
$count = 21;
$test = array('type'=>1,'name'=>'add');

$pageUrl = '';
$pageUrl = 'javascript:tabPage';

//$pageParameterArray = null;
$pageParameterArray = array('id'=>1,'type'=>'add');

//创建分页器
$p = new PageView ( $count, $pageSize, $pageNo, $pageData ,$pageUrl,$pageParameterArray);
//生成页码
$pageViewString = $p->echoPageAsDiv ();
$pageData = $p->pageData;
echo '<style type="text/css">
<!--
.pagination {font-family: Tahoma;overflow: hidden; padding-top: 12px; text-align: center;}
.pagination-tab { margin-bottom: 20px;}
.pagination a, .pagination .page-cur, .pagination .page-prev_g, .pagination .page-prev, .pagination .page-next, .pagination .page-next_g, .pagination .page-break, .pagination .page-skip {
    display: inline-block;font-family: Tahoma,SimSun,Arial; height: 22px;line-height:22px; margin: 0; min-width: 16px;padding: 0 5px; text-align: center; vertical-align: top; white-space: nowrap;text-decoration: none;}
.pagination a, .pagination .page-prev_g, .pagination .page-prev, .pagination .page-next, .pagination .page-next_g, .pagination .page-cur, .pagination .page-break {
    border: 1px solid #ed3d83; color:#e9357d; font-weight:bold;}
.pagination a:hover { border: 1px solid #ed3d83;text-decoration: none; background-color:#f95f9d; color:#fff;}
.pagination .page-prev_g, .pagination .page-prev, .pagination .page-next, .pagination .page-next_g { width: 36px; background-image: url(../static/img/page.gif);}
.pagination .page-prev { background-position: -0px -38px; padding-left: 16px;}
.pagination .page-prev_g { background-position:0px -59px; padding-left: 16px; color:#cbcbcb; font-weight:normal;}
.pagination .page-next { background-position: 0px 0px; padding-right: 16px; font-weight:normal;}
.pagination .page-next_g { background-position: -0px -19px; padding-right: 16px; color:#cbcbcb;}
.pagination .page-cur {background-color: #f95f9d; border: 1px solid #ed3d83;color: #fff;font-weight: bold;}
.pagination .page-break {border: medium none; background:none transparent; color:#333;}

-->
</style>';
echo $pageViewString;
echo "<script type='text/javascript' src='/test/jquery.min.js'></script>
	<script type='text/javascript'>
	function tabPage(tid,id,type){
	alert(tid);
	}
</script>";

 

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