php原生數(shù)據(jù)庫分頁的代碼實(shí)例

?php
header("Content-type:text/html;charset=utf-8");
// 連接數(shù)據(jù)庫
$con = mysql_connect("數(shù)據(jù)庫地址","數(shù)據(jù)庫賬號","數(shù)據(jù)庫密碼");
if (!$con){die('Could not connect: ' . mysql_error());}
 
mysql_select_db("數(shù)據(jù)庫名", $con);
 
// 每頁顯示條數(shù)
$pageLine = 5;
 
// 計(jì)算總記錄數(shù)
$ZongPage = mysql_query("select count(*) from 表名");
 
// 計(jì)算總頁數(shù)
$sum = mysql_fetch_row($ZongPage);
$pageCount = ceil($sum[0]/$pageLine);  
 
// 定義頁碼變量
@$tmp = $_GET['page'];
 
 
// 計(jì)算分頁起始值
$num = ($tmp - 1) * $pageLine;
 
// 查詢語句
$result = mysql_query("SELECT 字段 FROM 表名 ORDER BY id DESC LIMIT " . $num . ",$pageLine");
 
// 遍歷輸出
while($row = mysql_fetch_array($result))
 {
   echo $row['字段'];
   echo "br/>";
 }
 
//分頁按鈕
//上一頁
$lastpage = $tmp-1;
//下一頁
$nextpage = $tmp+1;
 
//防止翻過界
if (@$tmp > $pageCount) {
  echo "沒有那么多頁啦，請返回";
}
 
//如果頁碼大于總頁數(shù)，則顯示沒有了
if(@$tmp = 1){
  echo "a href=\"fenye.php?page=$nextpage\">下一頁/a>";
}else if(@$tmp > 1  @$tmp  $pageCount){
  echo "a href=\"fenye.php?page=$lastpage\">上一頁/a>";
  echo "a href=\"fenye.php?page=$nextpage\">下一頁/a>";
}else if(@$tmp = $pageCount){
  echo "a href=\"fenye.php?page=$lastpage\">上一頁/a>";
}
 
// 關(guān)閉數(shù)據(jù)庫連接
mysql_close($con);
?>