php mysqlページングクラス（php初心者エントリー）

/***
* php mysql ページング クラス
* http://bbs.it-home.org の編成
*/
class Pagination{
 private $_result;
 private $_count; //记录数
 private $_pageMax; //最大页
 private $_page; //当前页
 private $_url;
 private $_startPage;//分页条起請
 private $_endPage;  // 分页条止码
 private $_nextPage; //上一页
 private $_prePage; //下一页
    function __construct($table, $pageSize, $getPage){
 $this->_result = $GLOBALS['db']->query('SELECT * FROM '.$table);
 $this->_count = $GLOBALS['db']->getRecordNum();
 $this->_pageMax = ceil($this->_count/$pageSize);
 $this->_result = ''; p>
        if($_GET[$getPage] == '')
 $this->_page = 1;
 else
 $this->_page= max(intval($_GET[$getPage]), 1);

 $this->_page = min($this->_page, $this->_pageMax);
        $offset = ($this->_page - 1) * $pageSize;
 $sql = 'SELECT * FROM '.$table.'リミット』。 $オフセット .','。 $pageSize;
 $this->_result = $GLOBALS['db']->query($sql);
 }

 function getRecord(){
 return $GLOBALS['db']->getRecord( );
 }

 function getPageBar($url = '?', $barLn = 10, $style = 1){
 if($style == 1){
 if($barLn % 2 != 0 ){
 $midder = ceil($barLn / 2);
 $big_repair = $midder - 1 ;//当上面以进一法取整，则这里為减1，反之是加1
 }else{
 $midder = $ big_repair = $barLn / 2;
 }
 $sml_repair = $midder- 1;

 $this->_startPage = ($this->_page + $midder) > $this->_pageMax ? $this->pageMax - $barLn : $this->_page - $sml_repair;
 $this->_endPage = $this->_page _page + $big_repair;

 }elseif($style == 2){

 if($this->_page % $barLn == 0 ){
 $this->_startPage = $this->_page;
 }else{
 $this->_startPage = ($this->_page > $barLn)? $this->_page - ($this->_page % $barLn ) : 1;
 }
 $this->_endPage = $this->_startPage + $barLn - 1;
 }
 $this-> ;_url = $url;
 $this->_nextPage = $this->_page + 1;
 $this->_prePage = $this->>_page - 1;
 $this->_startPage = max( $this->_startPage, 1);//少なくとも最初页开始
 $this->_endPage = min($this->_endPage, $this->_pageMax);//最もただ末页


 $this->_result = '当前是：'.$this->_page.'/'.$this->_pageMax. '页，共'.$this->_count.'条记录';

 if ($this->_page > 1)
 $ this->_result .= '
 9
 else
 $this->_result .= '9
 3> ;';

 for($i = $this->_startPage; $i _endPage; $i++) {
 if ($this->_page == $i)
 $this-> _result .= ''.$i.'';
 else
 $this->_result.= ''.$i.'';
 }

 if ($this->_page != $this->_pageMax) {
 $this->_result .= '4';
 $this->_result .= ':';
 } else {

2、调用例

$page = new Pagination($table, 5, 'page');
while($row = $page->getRecord()){
echo $row[0] ,'';
}
echo $page->getPageBar('?',8, 1);
?>