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标题: 超强分页类 [打印本页]

作者: wleige 时间: 2006-01-16 14:07
标题: 超强分页类
PHP代码:--------------------------------------------------------------------------------
_currentPage =  max((int)@$_GET['pageId'], 1); //当前的页序号
         $this->_perPage = $_perPage; //每一页记录数
         $this->_totalItems = $_totalItems;//总记录数
         $this->_totalPages = ceil($this->_totalItems / $this->_perPage); //总页数
         $this->_linkData = $_linkData; //传递的变量
         $this->_listStart = ($this->_currentPage - 1) * $this->_perPage + 1; //当前头条记录ID
         $this->_listEnd = ($this->_currentPage != $this->_totalPages) ? $this->_currentPage * $this->_perPage : $this->_totalItems;//当前最后条记录ID
         $this->_startId = $this->_listStart -1; //从数据库读出的启始id
      }
      function startId(){ //从数据库读出的启始id
         return $this->_startId;
      }
      function totalItems(){ //总记录数
         return $this->_totalItems;
      }
      function totalPages(){ //总页数
         return $this->_totalPages;
      }
      function listStart(){ //当前头条记录ID
         return $this->_listStart;
      }
      function listEnd(){ //当前最后条记录ID
         return $this->_listEnd;
      }
      function currentPage(){ //当前页
         return $this->_currentPage;
      }
      function pageStart(){ //第一页
         return $this ->_pageStart = "_linkData)."&pageId=1>9";
      }
      function pageEnd(){ //最后页
         return $this ->_pageEnd = "_linkData)."&pageId=".$this->_totalPages.">:";
      }
      function upPage(){ //上一页
         if($this->_currentPage > 1 and $this->_currentPage _totalPages){
            $up = $this->_currentPage-1;
            return $this->_upPage = "_linkData)."&pageId=".$up.">7";
         }
      }
      function downPage(){ //下一页
         $down = $this->_currentPage+1;
         if($this->_currentPage _totalPages)
            return $this->_downPage = "_linkData)."&pageId=".$down.">8";
      }
      function listPage(){ //循环显示当前分页列表
         if($this->_currentPage _currentPage != ""){
            $start = 1;
            if($this->_totalPages _totalPages;
            else $end = 10;
         }elseif(($this->_currentPage + 5) > $this->_totalPages){
            $start = $this->_currentPage - 5;
            $end = $this->_totalPages;
         }else{
            $start = $this->_currentPage - 4;
            $end = $this->_currentPage +5;
         }
         for($i = $start; $i _listPage .= "_linkData)."&pageId=".$i.">".$i."  ";
         }
         return $this->_listPage;
      }
      function jumpPage(){ //跳转
         $this->_jumpPage = "跳转 _linkData)."&pageId='+this.value;\">"; //页面跳转
         for($i = 1; $i _totalPages; $i++){
            if($i == $this->_currentPage) $selected = "selected";
            $this->_jumpPage .= "$i";
            unset($selected);
         }
         return $this->_jumpPage .= " 页";
      }
}

///范例
$totalItems = 1100; //总记录
$page = new Pager($totalItems,10,"?a=b&c=6");
for($i = $page->startId(); $i startId() + 10; $i++){
      $data[] = array($i,$i+1);
}
echo "当前开始ID：".$listStart = $page->listStart();echo "
";
echo "当前结束ID：".$listEnd = $page->listEnd();echo "
";
echo "第一页：".$pageStart = $page->pageStart();echo "
";
echo "最后页：".$pageEnd = $page->pageEnd();echo "
";
echo "上一页：".$upPage = $page->upPage();echo "
";
echo "下一页：".$downPage = $page->downPage();echo "
";
echo "列表显示：".$listPage = $page->listPage();echo "
";
echo "跳转页：".$jumpPage = $page->jumpPage();echo "
";
//print_r($data);
echo "
";
print "NN+1";
foreach ($data as $key0 => $value0) {
      print "";
      foreach ($value0 as $key1 => $value1) {
         print "$value1";
      }
      print "";
}
print "";
?>

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