php分页类

<?php /* 显示样式如下： [1] 2 3 4 5 6 7 8 9 10 ...100 下页 尾页 首页 上页 1..12 13 14 15 [16] 17 18 19 20 ...100 下页 尾页 首页 上页 1..92 93 94 95 96 97 98 [99] 100 使用方法： $currentPage = $_GET['page']?$_GET['page']:1; $pagediv = new pagediv(500, 10, 11, $currentPage, 'test.php?page='); $pagediv->show(); */ class pagediv { public $part1; public $part2; public $part3; public $part4; public $part5; /* 对下面的分页显示进行分割: 首页 上页 1..12 13 14 15 [16] 17 18 19 20 ...100 下页 尾页 $part1 : 首页 上页 $part2 : 1.. $part3 : 12 13 14 15 [16] 17 18 19 20 $part4 : ...100 $part5 : 下页 尾页 */ public $allPage; //总页数 public $allRocords; //总记录数 public $perPage; //每页记录数 public $showPagesNo; //显示分页栏的总页码数 显示样式里共有11个 public $currentPage; //当前页 public $urlModel; //Url链接样式 public $startHidden; //出现 1... 时的页数 开始隐藏中间页 public $endHidden; //出现 ...100 时的页数 结束隐藏中间页 public function __construct($allRocords, $perPage, $showPagesNo, $currentPage, $urlModel){$this->allRocords = $allRocords; $this->perPage = $perPage; $this->showPagesNo = $showPagesNo; $this->currentPage = $currentPage; $this->urlModel = $urlModel; $this->allPage = $this->getAllPage(); $this->startHidden = $this->getInt(($this->showPagesNo)/2); //6 $this->endHidden = $this->allPage - $this->startHidden; //94 } public function getUrl($_index = ''){ $_current = $_index; if($_index == 'pre') $_current = $this->currentPage -1; if($_index == 'next') $_current = $this->currentPage+1; if($_index == '') $_current = $this->allPage; return $this->urlModel.$_current; } public function getAllPage(){ return $this->getInt($this->allRocords/$this->perPage); } protected static function getInt($_float){ $_int = ceil($_float); return $_int; } public function getPart1(){ $content = '<a href="'.$this->getUrl(1).'">首页</a> <a href="'.$this->getUrl('pre').'">上页</a> '; if($this->currentPage <= $this->startHidden){ $content = ''; } return $content; } public function getPart2(){ $content = '<a href="'.$this->getUrl(1).'">1</a> '; $add = ''; if($this->currentPage > $this->startHidden){ $add = '...'; } if($this->currentPage == 1){ $content = '[1] '; $add = ''; } $part2 = $content.$add; return $part2; } public function getPart3(){ $content = ''; if($this->currentPage <= $this->startHidden){ //[1] 2 3 4 5 6 7 8 9 10 ...100 下页 尾页 $long = $this->showPagesNo - 2; for($i=0;$i<$long;$i++){ $j = $i+2; if($j == $this->currentPage){ $content .= '['.$this->currentPage.'] '; }else{ $content .= '<a href="'.$this->getUrl($j).'">'.$j.'</a> '; } } }elseif( $this->currentPage >= $this->endHidden ){ //首页 上页 1..92 93 94 95 96 97 98 [99] 100 $long = $this->showPagesNo - 2; $_start = $this->allPage - $long; for($i=0;$i<$long;$i++){ $j = $_start + $i; if($j == $this->currentPage){ $content .= '['.$this->currentPage.'] '; }else{ $content .= '<a href="'.$this->getUrl($j).'">'.$j.'</a> '; } } }else{ //首页 上页 1..12 13 14 15 [16] 17 18 19 20 ...100 下页 尾页 $long = $this->showPagesNo - 2; $offset = $this->getInt($long/2) - 1; $_start = $this->currentPage - $offset; for($i=0;$i<$long;$i++){ $j = $_start + $i; if($j == $this->currentPage){ $content .= '['.$this->currentPage.'] '; }else{ $content .= '<a href="'.$this->getUrl($j).'">'.$j.'</a> '; } } } $part3 = $content; return $part3; } public function getPart4(){ $content = '<a href="'.$this->getUrl().'">'.$this->allPage.'</a> '; $add = ''; if($this->currentPage < $this->endHidden){ $add = '...'; } if($this->currentPage == $this->allPage){ $content = '['.$this->allPage.']'; $add = ''; } $part4 = $add.$content; return $part4; } public function getPart5(){ $content = '<a href="'.$this->getUrl('next').'">下页</a> <a href="'.$this->getUrl().'">尾页</a>'; if($this->currentPage >= $this->endHidden){ $content = ''; } return $content; } public function show(){ //判断非法 if(!is_numeric($this->currentPage) || $this->currentPage < 0 || $this->currentPage > $this->allPage){ print 'error:pageNo is flase'; return; } //总页数没有达到显示分页栏的总页码数，则全部显示 if($this->allPage < $this->showPagesNo){ $long = $this->allPage; for($i=0;$i<$long;$i++){ $j = $i+1; if($j == $this->currentPage){ $content .= '['.$this->currentPage.'] '; }else{ $content .= '<a href="'.$this->getUrl($j).'">'.$j.'</a> '; } } print $content; return; } $this->part1 = $this->getPart1(); $this->part2 = $this->getPart2(); $this->part3 = $this->getPart3(); $this->part4 = $this->getPart4(); $this->part5 = $this->getPart5(); print $this->part1.$this->part2.$this->part3.$this->part4.$this->part5; } } //测试一下，看看两种不同效果$currentPage = $_GET['pageNum_rs_user']?$_GET['pageNum_rs_user']:1;$link="t.php?".$queryString_rs_user.'&pageNum_rs_user=';$pagediv = new pagediv(51,5,10, $currentPage,$link); $pagediv->show(); ?>