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云代码 - php代码库

PHP分页类，有四种样式共选择

2014-04-19 作者： 肖扬举报

[php]代码库

查询时用到的：
$pagesize=20; //每页显示数量
if($_POST["pageid"]){
	if($_POST["form1"]){
		$pageval=1;
	}else{
		$pageval=$_POST["pageid"];
	}
	$pageid=($pageval-1)*$pagesize;
	$pageid.=',';
}
if($_GET["p"]){
	$pageval=$_GET["p"];
	$pageid=($pageval-1)*$pagesize;
	$pageid.=',';
}
sql:
$sql="select * from table order by addtime desc limit $pageid $pagesize";

使用方法：
<?php
//分页类调用
require("inc/page.class.php");
$params = array(
			'total_rows'=>$Num, //信息总数
			'method'=>'get', //方法
			'ajax_func_name'=>'goToPage',
			'now_page'=>$pageval, //当前页
			'list_rows'=>$pagesize, //分页显示条数
);
$page = new Core_Lib_Page($params);
echo $page->show(2);
?>

page.class.php源代码：（打包要积分下载）
<?php
/**
 * PHP分页类
 * 有四种分页样式：可调用show(1);show(2);show(3);show(4);查看
 * 分页样式可灵活使用自定义多种样式
*/
class Core_Lib_Page
{
	public     $first_row; 		  //起始行数
	public     $list_rows;  	  //列表每页显示行数
	protected  $total_pages;	  //总页数
	protected  $total_rows;		  //总行数
	protected  $now_page;         //当前页数
	protected  $method  = 'defalut'; //处理情况 ajax分页 html分页(静态化时) 普通get方式 
	protected  $parameter = '';
	protected  $page_name;        //分页参数的名称
	protected  $ajax_func_name;   //ajax分页下的方法名称
	public 	   $plus = 3;         //分页偏移量
	protected  $url;
	
	/**
	 * 构造函数
	 * @param unknown_type $data
	 */
	public function __construct($data = array())
	{
		$this->total_rows = $data['total_rows'];

		$this->parameter = !empty($data['parameter']) ? $data['parameter'] : '';
		$this->list_rows = !empty($data['list_rows']) && $data['list_rows'] <= 100 ? $data['list_rows'] : 15;
		$this->total_pages = ceil($this->total_rows / $this->list_rows);
		$this->page_name = !empty($data['page_name']) ? $data['page_name'] : 'p';
		$this->ajax_func_name = !empty($data['ajax_func_name']) ? $data['ajax_func_name'] : '';
		$this->getsession = $data['getsession'];
		$this->method = !empty($data['method']) ? $data['method'] : '';
		
		
		/* 当前页面 */
		if(!empty($data['now_page']))
		{
			$this->now_page = intval($data['now_page']);
		}else{
			$this->now_page = !empty($_GET[$this->page_name]) ? intval($_GET[$this->page_name]):1;
		}
		$this->now_page = $this->now_page <= 0 ? 1 : $this->now_page;
	
		
		if(!empty($this->total_pages) && $this->now_page > $this->total_pages)
		{
			$this->now_page = $this->total_pages;
		}
		$this->first_row = $this->list_rows * ($this->now_page - 1);
	}	
	
	/**
	 * 得到当前连接
	 * @param $page
	 * @param $text
	 * @return string
	 */
	protected function _get_link($page,$text)
	{
		switch ($this->method) {
			case 'ajax':
				$parameter = '';
				if($this->parameter)
				{
					$parameter = ','.$this->parameter;
				}
				return '<a onclick="' . $this->ajax_func_name . '(\'' . $page . '\''.$parameter.')" href="javascript:void(0)">' . $text . '</a>' . "\n";
			break;
			
			case 'html':
				$url = str_replace('?', $page,$this->parameter);
				return '<a href="' .$url . '">' . $text . '</a>' . "\n";
			break;
			
			default:
				return '<a href="' . $this->_get_url($page) . $this->getsession . '">' . $text . '</a>' . "\n";
			break;
		}
	}
	
    
    /**
     * 设置当前页面链接
     */
    protected function _set_url()
    {
        $url  =  $_SERVER['REQUEST_URI'].(strpos($_SERVER['REQUEST_URI'],'?')?'':"?").$this->parameter;
        $parse = parse_url($url);
        if(isset($parse['query'])) {
            parse_str($parse['query'],$params);
            unset($params[$this->page_name]);
            $url   =  $parse['path'].'?'.http_build_query($params);
        }
        if(!empty($params))
        {
        	$url .= '&';
        }
        $this->url = $url;
    }
	
    /**
     * 得到$page的url
     * @param $page 页面
     * @return string
     */
    protected function _get_url($page)
    {
    	if($this->url === NULL)
    	{
    		$this->_set_url();	
    	}
  	//	$lable = strpos('&', $this->url) === FALSE ? '' : '&';
    	return $this->url . $this->page_name . '=' . $page;
    }
    
    
    /**
     * 得到第一页
     * @return string
     */
    public function first_page($name = '第一页')
    {
 		if($this->now_page > 5)
 		{
 			return $this->_get_link('1', $name);
 		}	
 		return '';
    }
    
    /**
     * 最后一页
     * @param $name
     * @return string
     */
    public function last_page($name = '最后一页')
    {
 		if($this->now_page < $this->total_pages - 5)
 		{
 			return $this->_get_link($this->total_pages, $name);
 		}	
 		return '';
    }  
	
    /**
     * 上一页
     * @return string
     */
    public function up_page($name = '上一页')
    {
    	if($this->now_page != 1)
    	{
    		return $this->_get_link($this->now_page - 1, $name);
    	}
    	return '';
    }
	
    /**
     * 下一页
     * @return string
     */
    public function down_page($name = '下一页')
    {
    	if($this->now_page < $this->total_pages)
    	{
    		return $this->_get_link($this->now_page + 1, $name);
    	}
    	return '';
    }

    /**
     * 分页样式输出
     * @param $param
     * @return string
     */
    public function show($param = 1)
    {
    	if($this->total_rows < 1)
    	{
    		return '';
    	}
    	
    	$className = 'show_' . $param;
    	
    	$classNames = get_class_methods($this);

    	if(in_array($className, $classNames))
    	{
    		return $this->$className();
    	}
  		return '';
    }
    
    protected function show_1()
    {
		$plus = $this->plus;
    	if( $plus + $this->now_page > $this->total_pages)
    	{
    		$begin = $this->total_pages - $plus * 2;
    	}else{
    		$begin = $this->now_page - $plus;
    	}
    	
    	$begin = ($begin >= 1) ? $begin : 1;
    	$return = '';
    	$return .= $this->first_page();
    	$return .= $this->up_page();
    	for ($i = $begin; $i <= $begin + $plus * 2;$i++)
    	{
    		if($i>$this->total_pages)
    		{
    			break;
    		}
    		if($i == $this->now_page)
    		{
    			$return .= "<a class='now_page'>$i</a>\n";
    		}
    		else
    		{
    			$return .= $this->_get_link($i, $i) . "\n";
    		}
    	}
    	$return .= $this->down_page();
    	$return .= $this->last_page();
    	return $return;
    }
	
	protected function show_2()
    {
        if($this->total_pages != 1)
    	{
    		$return = '';
			$return .= '<div class="pagetxt">共<b>&nbsp;' .$this->total_pages. '&nbsp;</b>页&nbsp;&nbsp;当前第<b>&nbsp;' .$this->now_page. '&nbsp;</b>页, 共有记录<b>&nbsp;' .$this->total_rows. '&nbsp;</b>条</div><div class="pagea">';
    		$return .= $this->up_page('上一页');
			for($i = 1;$i<=$this->total_pages;$i++)
			{
				if($i == $this->now_page)
				{
					$return .= "<a class='now_page'>$i</a>\n";
				}
				else
				{
					if($this->now_page-$i>=4 && $i != 1)
					{
						$return .="<span class='pageMore'>...</span>\n";
						$i = $this->now_page-3;
					}
					else
					{
						if($i >= $this->now_page+5 && $i != $this->total_pages)
						{
							$return .="<span>...</span>\n"; 
							$i = $this->total_pages;
						}
						$return .= $this->_get_link($i, $i) . "\n";
					}
				}
			}
			$return .= $this->down_page('下一页');
			$return .= '</div>';
    		return $return;
    	}
    }
    
    protected function show_3()
    {
    	$plus = $this->plus;
    	if( $plus + $this->now_page > $this->total_pages)
    	{
    		$begin = $this->total_pages - $plus * 2;
    	}else{
    		$begin = $this->now_page - $plus;
    	}    	
    	$begin = ($begin >= 1) ? $begin : 1;
    	$return = '总计 ' .$this->total_rows. ' 个记录分为 ' .$this->total_pages. ' 页, 当前第 ' . $this->now_page . ' 页 ';
    	$return .= ',每页 ';
    	$return .= '<input type="text" value="'.$this->list_rows.'" id="pageSize" size="3"> ';
    	$return .= $this->first_page()."\n";
    	$return .= $this->up_page()."\n"; 
    	$return .= $this->down_page()."\n";
    	$return .= $this->last_page()."\n";
    	$return .= '<select onchange="'.$this->ajax_func_name.'(this.value)" id="gotoPage">';
       
        for ($i = $begin;$i<=$begin+10;$i++)
        {
            if($i>$this->total_pages)
    		{
    			break;
    		}        	
    		if($i == $this->now_page)
    		{
    			$return .= '<option selected="true" value="'.$i.'">'.$i.'</option>';
    		}
    		else
    		{
    			$return .= '<option value="' .$i. '">' .$i. '</option>';
    		}        	
        }
    	 $return .= '</select>';
    	return $return;
    }
	
	protected function show_4()
    {
		$plus = $this->plus;
    	if( $plus + $this->now_page > $this->total_pages)
    	{
    		$begin = $this->total_pages - $plus * 2;
    	}else{
    		$begin = $this->now_page - $plus;
    	}
    	
    	$begin = ($begin >= 1) ? $begin : 1;
    	$return = '';
		$return .= '<div class="pagetxt">共<b>&nbsp;' .$this->total_pages. '&nbsp;</b>页&nbsp;&nbsp;当前第<b>&nbsp;' .$this->now_page. '&nbsp;</b>页, 共有记录<b>&nbsp;' .$this->total_rows. '&nbsp;</b>条</div><div class="pagea">';
    	$return .= $this->first_page();
    	$return .= $this->up_page();
    	for ($i = $begin; $i <= $begin + $plus * 2;$i++)
    	{
    		if($i>$this->total_pages)
    		{
    			break;
    		}
    		if($i == $this->now_page)
    		{
    			$return .= "<a class='now_page'>$i</a>\n";
    		}
    		else
    		{
    			$return .= $this->_get_link($i, $i) . "\n";
    		}
    	}
    	$return .= $this->down_page();
    	$return .= $this->last_page();
		$return .= '</div>';
    	return $return;
    }
}
?>

[源代码打包下载]




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