【威尼斯登录首页】//初始化标志点 private $offset=0
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?php /*分页类design by xqbar qq:174171262email:wxddong@163.comblog:思索输入参数size(每页记录数据卡塔尔国url(连接地址State of Qatarstyle(分页样式卡塔尔国sql(运营语句卡塔尔(قطر‎*/class page{ public$sql='';//分页sql语句 public$url='';//分页传递过来的下页地址,能够其它加参数用来查找选拔public$size=10;//私下认可每页展现数据10条 public$style=1;//暗中认可分页彰显风格 private $totalsize=0;//数据总量 private $totalpage=0;//总页数 private $page=1;//当前页 private $link;//数据库连接点 private $flag=false;//伊始化标记点 private $offset=0;//分页偏移值 limit $offset,$size; //构造函数 传递数据库连接点 function __construct($link){ $this-page=(isset($_GET['page'])!empty($_GET['page'])(int)($_GET['page']))?(int)$_GET['page']:1;//获取当前page参数值,明确当前是第几分页 $this-link=$link; } //析构函数 function __destruct(){@mysql_close($this-link);$this-link=NULL; }//布局函数兼顾php5 function page($linkState of Qatar{ $this-__construct($link卡塔尔(قطر‎; } //最早化 function init(卡塔尔{ if(empty($this-sql卡塔尔卡塔尔国{$this-halt(错误警报:font color='red'sql语句不能够为空!/font卡塔尔(قطر‎;exit(卡塔尔(قطر‎;}//剖断sql是还是不是存在$this-sql=str_replace(sql);//'@_',DB_PREFIX,$this-sql卡塔尔;//替换sql中的表前缀 $this-size=($this-size=0State of Qatar?10:$this-size;//开端每页显示数据条数$this-page=($this-page1卡塔尔(قطر‎?1:$this-page;//当前页码值 #超过第一页后优化查询总记录数//这里自身动用了第三回浏览分页时查询数据库得出数据库总的数量,点下页时传递并不再查询数据库,数据量多时恐怕会省去些if($this-page==1!isset($_GET['tsize'])){ sql$result=@mysql_query($this-sql); $this-totalsize=@mysql_num_rows($result); @mysql_free_result($resultState of Qatar;}else{ //上面的主题素材独一弱点正是客户手动在地方栏订正了tsize值后分页将不再正确$this-totalsize=(int卡塔尔$_GET['tsize']; } $this-url=(empty($this-url))?$_SERVER['PHP_SELF'].'?tsize='.$this-totalsize:$this-url.'tsize='.$this-totalsize;//传递totalsize给$this-totalpage=ceil($this-totalsize/$this-size卡塔尔;//获取总页数$this-page=($this-page$this-totalpage卡塔尔国?$this-totalpage:$this-page;$this-offset=($this-page-1State of Qatar*$this-size;//获取偏移值 }//查询数据库再次回到结果给二维数组 function fetch_array($result_type=MYSQL_BOTH){ if(!$this-flag){$this-init();$this-flag=true;} if($this-totalsize=0){return NULL;}$this-sql.= limit $this-offset,$this-size;sql,$this-link$result=@mysql_query($this-sql,$this-link);while($row=mysql_fetch_array($result,$result_type)){$rows[]=$row;}@mysql_free_result($resultState of Qatar;return $rows; }//获取总的数量据数 function getsize(State of Qatar{ if(!$this-flag卡塔尔国{$this-init(卡塔尔(قطر‎;$this-flag=true;}//判别是还是不是早就从前开端化过,是则直接返回return $this-totalsize; }//获取总页数 function getpage(State of Qatar{ if(!$this-flagState of Qatar{$this-init(State of Qatar;$this-flag=true;} return $this-totalpage; }//根据传入参数输出分页链接 function outpage(卡塔尔{ if(!$this-flag){$this-init();$this-flag=true;}switch($this-style){ #1 第x页 共x页 首页 尾页 x条/页 共x页 case 1: $pagehtml=span class='page'第i{$this-page}/i页 共i{$this-totalpage}/i页; $pagehtml.=($this-page==1)? 首页 : a href='{$this-url}page=1'首页/a a href='{$this-url}page=.($this-page-1).'/a; $pagehtml.=($this-page==$this-totalpage)? 尾页: a href='{$this-url}page=.($this-page+1).'/a a href='{$this-url}page={$this-totalpage}'尾页/a; $pagehtml.= 共i{$this-totalsize}/i条/span; break; #1 首页 尾页 x条/页 共x页 case 2: $pagehtml=span class='page'; $pagehtml.=($this-page==1)? 首页 : a href='{$this-url}page=1'首页/a a href='{$this-url}page=.($this-page-1).'/a; $pagehtml.=($this-page==$this-totalpage)? 尾页: a href='{$this-url}page=.($this-page+1).'/a a href='{$this-url}page={$this-totalpage}'尾页/a; $pagehtml.= 共i{$this-totalsize}/i条/span; break; #2 1 2 3 4 5 case 3: $offset=(ceil($this-page/10)-1)*10; $pagehtml=span class='page'; if($offset!=0){$pagehtml.=a href='{$this-url}page=1'|/a a href='{$this-url}page=.($this-page-1).'/a;} for($i=1;$i=10;$i++){ $n=$i+$offset; if($n$this-totalpage){break;} if($n==$this-page){$pagehtml.= a href='{$this-url}page=$n'i$n/i/a ;} else{$pagehtml.= a href='{$this-url}page=$n'b$n/b/a ;} } if($n$this-totalpage){$pagehtml.= a href='{$this-url}page=.($this-page+1).'/a a href='{$this-url}page=$this-totalsize'|/a;} unset($offset,$i,$n); break; #1 default: $pagehtml=第{$this-page}页 共{$this-totalpage}页; $pagehtml.=($this-page==1State of Qatar? 首页 : a href='{$this-url}page=1'首页/a a href='{$this-url}page=.($this-page-1卡塔尔.'/a; $pagehtml.=($this-page==$this-totalpageState of Qatar? 尾页:a href='{$this-url}page=.($this-page+1State of Qatar.'/a a href='{$this-url}page={$this-totalpage}'尾页/a; break; } return $pagehtml; }//错误输出 function halt($msgState of Qatar{echo html;echo head;echo meta 'Content-Type' content='text/html; charset=utf-8'/r/n;echo titleError/title;echo /head;echo bodyp style='line-helght:1六分之三;font-size:10pt';echo $msg;echo /p/body;echo /html;}}?

<?php
class conn{
function __construct(){
  require("config.php");
  $conn = @mysql_connect($host,$root,$pass);
  @mysql_select_db($db);
  if(!$conn){
   echo "不恐怕连接".mysql_errno() . ":" . mysql_error() ;
   exit;
  }
}
function query($sql){
  $result = @mysql_query($sql);
  if (!$result) {
   echo mysql_errno().":".mysql_error();
   exit;
  }
  return $result;
}
function next($result){
  return  @mysql_fetch_array($result);
}
function count_row($result){
  $row = @mysql_num_rows($result);
  return $row;
}
function close($result){
  @mysql_free_result($result);
  @mysql_close();
}
}
class fenye extends conn{
public $sql;
public $page;
public $countpage;
public $pagesize;
public $result;
function __construct($sql,$page,$pagesize){
  $this->sql = $sql;
  $this->page = $page;
  $this->countpage = $countpage;
  $this->pagesize = $pagesize;
  parent::__construct();
  $result = parent::query($sql);
  $num = parent::count_row($result);
  $this->countpage = ceil($num/$pagesize);
  $a = ($page-1)*$pagesize;
  $limit = "limit $a,$pagesize";
  $this->sql = $sql.$limit;
  $this->result = parent::query($this->sql);
}
function getlimit(){
  return $this->sql;
}
    function next(){
     return parent::next($this->result);
    }
function foor(){
  $a = $this->page -1;
  $b = $this->page +1;
  if ($this->page == 1) {
   echo "首页"."    ";
  }else  echo "<a href='?page=1'>首页</a>"."    ";
  if($this->page >1)
     echo "<a href='?page=$a'>上页</a>"."    ";
  else  echo "上页    ";
  for ($i =1;$i <= $this->countpage;$i++){
   echo "<a href='?page=$i'>$i</a>"."       ";
  }
  if($this->page < $this->countpage)
      echo "<a href='?page=$b'>下页</a>"."    ";
  else  echo "下页    ";
  if ($this->page == $this->countpage) {
   echo "末页"."    ";
  }else   echo "<a href='?page=$this->countpage'>末页</a>";
  #######################
 
}
}
####################
if (isset($_GET['page'])) {
$page = $_GET['page'];
}else  $page = 1;
$sql = "select * from guestbook ";
$pagesize =3;
$p = new fenye($sql,$page,$pagesize); 
$sql = $p->getlimit();
$result = $p->query($sql);
while($row = $p->next()){
echo $row['id']."<br>";
}
$p->foor();
威尼斯登录首页,$p->close($result);
?>

?php require_once('mysql.class.php');require_once('page.class.php');$db=new mysql();$link=$db-open();#定义sql和url$sql='select * from @_info';(@_是本身的表定义前缀在流传类后被沟通掉卡塔尔(قطر‎$url='';$mypage=new page($link卡塔尔;$mypage-size=10;$mypage-style=3;$mypage-url=$url;$mypage-sql=$sql. order by id desc;$ls=$mypage-fetch_array(MYSQL_ASSOC卡塔尔;//取得再次来到的结果if(count($lsState of Qatar==0State of Qatar{ echo '无结果';}else{foreach($ls as $value卡塔尔{ echo $value['title'];}//分页码echo $mypage-outpage(); }?

 

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