PHP教程之php分页代码实例 - 仓酷云

function pagestring($count, $pagesize, $wap=false) { $p = new Pager($count, $pagesize, 'page'); if ($wap) { return array($pagesize, $p->offset, $p->genWap()); } return array($pagesize, $p->offset, $p->genBasic()); } pagestring文件 <?php class Pager{ public $rowCount = 0; public $pageNo = 1; public $pageSize = 20; public $pageCount = 0; public $offset = 0; public $pageString = 'page'; private $script = null; private $valueArray = array(); public function __construct($count=0, $size=20, $string='page') { $this->defaultQuery(); $this->pageString = $string; $this->pageSize = abs($size); $this->rowCount = abs($count); $this->pageCount = ceil($this->rowCount/$this->pageSize); $this->pageCount = ($this->pageCount<=0)?1:$this->pageCount; $this->pageNo = abs(intval(@$_GET[$this->pageString])); $this->pageNo = $this->pageNo==0 ? 1 : $this->pageNo; $this->pageNo = $this->pageNo>$this->pageCount ? $this->pageCount : $this->pageNo; $this->offset = ( $this->pageNo - 1 ) * $this->pageSize; } private function genURL( $param, $value ){ $valueArray = $this->valueArray; $valueArray[$param] = $value; return $this->script . '?' . http_build_query($valueArray); } private function defaultQuery() { ($script_uri = @$_SERVER['SCRIPT_URI']) ($script_uri = @$_SERVER['REQUEST_URI']); $q_pos = strpos($script_uri,'?'); if ( $q_pos > 0 ) { $qstring = substr($script_uri, $q_pos+1); parse_str($qstring, $valueArray); $script = substr($script_uri,0,$q_pos); } else { $script = $script_uri; $valueArray = array(); } $this->valueArray = empty($valueArray) ? array() : $valueArray; $this->script = $script; } public function paginate($switch=1){ $from = $this->pageSize*($this->pageNo-1)+1; $from = ($from>$this->rowCount) ? $this->rowCount : $from; $to = $this->pageNo * $this->pageSize; $to = ($to>$this->rowCount) ? $this->rowCount : $to; $size = $this->pageSize; $no = $this->pageNo; $max = $this->pageCount; $total = $this->rowCount; return array( 'offset' => $this->offset, 'from' => $from, 'to' => $to, 'size' => $size, 'no' => $no, 'max' => $max, 'total' => $total, ); } public function GenWap() { $r = $this->paginate(); $pagestring= '<p align="right">'; if( $this->pageNo > 1 ){ $pageString.= '4 <a href="http://www.cxybl.com/' . $this->genURL($this->pageString, $this->pageNo-1) . '" accesskey="4">上页</a>'; } if( $this->pageNo >1 && $this->pageNo < $this->pageCount ){ $pageString.= '｜'; } if( $this->pageNo < $this->pageCount ) { $pageString.= '<a href="http://www.cxybl.com/' .$this->genURL($this->pageString, $this->pageNo+1) . '" accesskey="6">下页</a> 6'; } $pageString.= '</p>'; return $pageString; } public function GenBasic() { $r = $this->paginate(); $buffer = null; $index = '首页'; $pre = '上一页'; $next = '下一页'; $last = '末页'; if ($this->pageCount<=7) { $rangerange = range(1,$this->pageCount); } else { $min = $this->pageNo - 3; $max = $this->pageNo + 3; if ($min < 1) { $max += (3-$min); $min = 1; } if ( $max > $this->pageCount ) { $min -= ( $max - $this->pageCount ); $max = $this->pageCount; } $min = ($min>1) ? $min : 1; $rangerange = range($min, $max); } $buffer .= '<ul class="paginator">'; $buffer .= "<li>({$this->rowCount})</li>"; if ($this->pageNo > 1) { $buffer .= "<li><a href='http://www.cxybl.com/".$this->genURL($this->pageString,1)."'>{$index}</a><li><a href='http://www.cxybl.com/".$this->genURL($this->pageString,$this->pageNo-1)."'>{$pre}</a>"; } foreach($range AS $one) { if ( $one == $this->pageNo ) { $buffer .= "<li class=\"current\">{$one}</li>"; } else { $buffer .= "<li><a href='http://www.cxybl.com/".$this->genURL($this->pageString,$one)."'>{$one}</a><li>"; } } if ($this->pageNo < $this->pageCount) { $buffer .= "<li><a href='http://www.cxybl.com/".$this->genURL($this->pageString,$this->pageNo+1)."'>{$next}</a></li><li><a href='http://www.cxybl.com/".$this->genURL($this->pageString, $this->pageCount)."'>{$last}</a></li>"; } return $buffer . '</ul>'; } } ?>

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