include 'conn.php';　　//引入數(shù)據(jù)庫操作類 
 
$conn=new conn();　　//實例化數(shù)據(jù)庫操作類 
 
$total=$conn->getOne('select count(*) as total from goods'); 
$total=$total['total']; //goods表數(shù)據(jù)總數(shù)據(jù)條數(shù) 
$num=6; //每頁顯示條數(shù) 
$totalpage=ceil($total/$num);  //計算頁數(shù) 
if(isset($_GET['page']) && $_GET['page']<=$totalpage){//這里做了一個判斷，若get到數(shù)據(jù)并且該數(shù)據(jù)小于總頁數(shù)情況下才付給當(dāng)前頁參數(shù)，否則跳轉(zhuǎn)到第一頁 
  $thispage=$_GET['page']; 
}else{ 
  $thispage=1; 
} 
<BR>//注意下面sql語句中紅色部分，通過計算來確定從第幾條數(shù)據(jù)開始取出，當(dāng)前頁數(shù)減去1后再乘以每頁顯示數(shù)據(jù)條數(shù) 
$sql='select goods_id,goods_name,shop_price from goods order by goods_id limit '.<SPAN style="COLOR: #ff0000">($thispage-1)*$num</SPAN>.','.$num.''; 
 
$data=$conn->getAll($sql); 
 
foreach($data as $k=>$v){ 
  echo '<li>'.$v['goods_id'].'、'.$v['goods_name'].'---￥'.$v['shop_price'].'</li>';   
} 
<BR>//顯示分頁數(shù)字列表 
for($i=1;$i<=$totalpage;$i++){ 
  echo '<a href="?page='.$i.'">'.$i.'</a> ';  
   
}

/* 
*連接數(shù)據(jù)庫 進行相關(guān)查詢操作 
*/
 
class conn{ 
 
  public function __construct(){ 
    include_once('config.php'); 
    try{   
      $this->pdo = new PDO('mysql:host=localhost;dbname=test', 'root', '123456'); 
      $this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); 
      $this->pdo->exec('set names utf8'); 
       
 
    }catch(PDOException $e){ 
      echo '數(shù)據(jù)庫連接失敗:'.$e->getMessage(); 
      exit(); 
    } 
  } 
   
  //獲取一行數(shù)據(jù) 
  public function getOne($sql){ 
    $rs=$this->pdo->query($sql)->fetch(PDO::FETCH_ASSOC); 
     
    return $rs; 
  } 
   
  //獲取多行數(shù)據(jù)結(jié)果 
  public function getAll($sql){ 
    $rs=$this->pdo->query($sql)->fetchall(PDO::FETCH_ASSOC); 
     
    return $rs; 
 
  } 
}

* 
*配置數(shù)據(jù)庫信息 
*/
 
$cfg_dbhost='localhost'; 
$cfg_dbname='test'; 
$cfg_dbuser='root'; 
$cfg_dbpw='123456';