php 解决旧系统 查出所有数据分页的类
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php 解决旧系统 查出所有数据分页的类，
前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。
添加了几个自定义的 从MysqL result 集合中 抽取指定片段的方法 ， 没有调用释放的原因 这个涉及到 程序的 原来校验
也多亏网上大神的帮助啊 。。。。 老系统害死人啊， 后台都不能动
<div class="codetitle"><a style="CURSOR: pointer" data="8362" class="copybut" id="copybut8362" onclick="doCopy('code8362')"> 代码如下:
<div class="codebody" id="code8362">
<?
PHP /
分页类
@author xiaojiong & 290747680@qq.com
@date 2011-08-17
show(2) 1 ... 62 63 64 65 66 67 68 ... 150
分页样式
#page{font:12px/16px arial}
#page span{float:left;margin:0px 3px;}
#page a{float:left;margin:0 3px;border:1px solid #ddd;padding:3px 7px; text-decoration:none;color:#666}
#page a.now_page,#page a:hover{color:#fff;background:#05c}
/
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;
public $plus = 3; //分页偏移量
protected $url;
public function get_page_result()
{
$lastResult = array();
$skipCount = $this->get_skip_row_count();
if(MysqL_num_rows($result)>0)
{
MysqL_data_seek($result,$skipCount);
}
$pageSize = $this->$list_rows;
while($row = MysqL_fetch_array($result))
{
$pageSize --;
$lastResult[] = $row;
if($pageSize == 0)
{
break ;
}
}
return $lastResult;
}
public function get_skip_row_count()
{
return $this->list_rows($this->now_page-1);
}
/
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'] : '';
$this->method = !empty($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 . '' . "\n";
break;
case 'html':
$url = str_replace('?',$page,$this->parameter);
return '<a href="' .$url . '">' . $text . '' . "\n";
break;
default:
return '<a href="' . $this->_get_url($page) . '">' . $text . '' . "\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->totalrows < 1)
{
return '';
}
$className = 'show' . $param;
$classNames = get_class_methods($this);
if(in_array($className,$classNames))
{
return $this->$className();
}
return '';
}
protected function show_2()
{
if($this->total_pages != 1)
{
$return = '';
$return .= $this->up_page('<');
for($i = 1;$i<=$this->total_pages;$i++)
{
if($i == $this->now_page)
{
$return .= "$i\n";
}
else
{
if($this->now_page-$i>=4 && $i != 1)
{
$return .="...\n";
$i = $this->now_page-3;
}
else
{
if($i >= $this->now_page+5 && $i != $this->total_pages)
{
$return .="...\n";
$i = $this->total_pages;
}
$return .= $this->_get_link($i,$i) . "\n";
}
}
}
$return .= $this->down_page('>');
return $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)
{
$return .= "$i\n";
}
else
{
$return .= $this->_get_link($i,$i) . "\n";
}
}
$return .= $this->down_page();
$return .= $this->last_page();
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.'';
}
else
{
$return .= '<option value="' .$i. '">' .$i. '';
}
}
$return .= '';
return $return;
}
}
?>
