<?php namespace Think; class AjaxPage { // 分页栏每页显示的页数 public $rollPage = 5; // 页数跳转时要带的参数 public $parameter ; // 默认列表每页显示行数 public $listRows = 20; // 起始行数 public $firstRow ; // 分页总页面数 protected $totalPages ; // 总行数 protected $totalRows ; // 当前页数 public $nowPage ; // 分页的栏的总页数 protected $coolPages ; // 分页显示定制 private $config = array( 'header' => '<span class="rows">共 %totalRow% 条记录</span>', 'prev' => '<<', 'next' => '>>', 'first' => '1...', 'last' => '...%totalPage%', 'theme' => '%first% %upPage% %linkPage% %downPage% %end%', ); // 默认分页变量名 protected $varPage; public function __construct($totalRows,$listRows='',$ajax_func,$parameter='') { $this->totalRows = $totalRows; $this->ajax_func = $ajax_func; $this->parameter = $parameter; $this->varPage = C('VAR_PAGE') ? C('VAR_PAGE') : 'p' ; if(!empty($listRows)) { $this->listRows = intval($listRows); } $this->totalPages = ceil($this->totalRows/$this->listRows); //总页数 $this->coolPages = ceil($this->totalPages/$this->rollPage); $this->nowPage = !empty($_GET[$this->varPage])?intval($_GET[$this->varPage]):1; if(!empty($this->totalPages) && $this->nowPage>$this->totalPages) { $this->nowPage = $this->totalPages; } $this->firstRow = $this->listRows*($this->nowPage-1); } public function nowpage($totalRows,$listRows='',$nowPage=1,$ajax_func,$parameter='') { $this->totalRows = $totalRows; $this->ajax_func = $ajax_func; $this->parameter = $parameter; $this->varPage = C('VAR_PAGE') ? C('VAR_PAGE') : 'p' ; //$this->varPage = $nowPage; $this->nowPage = $nowPage; if(!empty($listRows)) { $this->listRows = intval($listRows); } $this->totalPages = ceil($this->totalRows/$this->listRows); //总页数 $this->coolPages = ceil($this->totalPages/$this->rollPage); //$this->nowPage = !empty($_GET[$this->varPage])?intval($_GET[$this->varPage]):1; if(!empty($this->totalPages) && $this->nowPage>$this->totalPages) { $this->nowPage = $this->totalPages; } $this->firstRow = $this->listRows*($this->nowPage-1); return $this->nowPage; } public function setConfig($name,$value) { if(isset($this->config[$name])) { $this->config[$name] = $value; } } public function show() { if(0 == $this->totalRows) return ''; $p = $this->varPage; $nowCoolPage = ceil($this->nowPage/$this->rollPage); $url = $_SERVER['REQUEST_URI'].(strpos($_SERVER['REQUEST_URI'],'?')?'':"?").$this->parameter; $parse = parse_url($url); if(isset($parse['query'])) { parse_str($parse['query'],$params); unset($params[$p]); $url = $parse['path'].'?'.http_build_query($params); } //上下翻页字符串 $upRow = $this->nowPage-1; $downRow = $this->nowPage+1; if ($upRow>0){ $upPage="<a class='prev' id='big' href='JavaScript:".$this->ajax_func."(".$upRow.")'>".$this->config['prev']."</a>"; }else{ $upPage=""; } if ($downRow <= $this->totalPages){ $downPage="<a class='next' id='big' href='javascript:".$this->ajax_func."(".$downRow.")'>".$this->config['next']."</a>"; }else{ $downPage=""; } // << < > >> if($nowCoolPage == 1){ $theFirst = ""; $prePage = ""; }else{ $preRow = $this->nowPage-$this->rollPage; $prePage = "<a class='prev' id='big' href='javascript:".$this->ajax_func."(".$preRow.")'>上".$this->rollPage."页</a>"; $theFirst = "<a class='first' id='big' href='javascript:".$this->ajax_func."(1)' >".$this->config['first']."</a>"; } if($nowCoolPage == $this->coolPages){ $nextPage = ""; $theEnd=""; }else{ $nextRow = $this->nowPage+$this->rollPage; $theEndRow = $this->totalPages; $nextPage = "<a class='next' id='big' href='javascript:".$this->ajax_func."(".$nextRow.")' >下".$this->rollPage."页</a>"; $theEnd = "<a class='end' id='big' href='javascript:".$this->ajax_func."(".$theEndRow.")' >".$this->config['last']."</a>"; } // 1 2 3 4 5 $linkPage = ""; for($i=1;$i<=$this->rollPage;$i++){ $page=($nowCoolPage-1)*$this->rollPage+$i; if($page!=$this->nowPage){ if($page<=$this->totalPages){ $linkPage .= " <a class='num' id='big' href='javascript:".$this->ajax_func."(".$page.")'> ".$page." </a>"; }else{ break; } }else{ if($this->totalPages != 1){ $linkPage .= " <span class='current'>".$page."</span>"; } } } $pageStr = str_replace( array('%header%','%nowPage%','%totalRow%','%totalPage%','%upPage%','%downPage%','%first%','%prePage%','%linkPage%','%nextPage%','%end%'), array($this->config['header'],$this->nowPage,$this->totalRows,$this->totalPages,$upPage,$downPage,$theFirst,$prePage,$linkPage,$nextPage,$theEnd), $this->config['theme']); return $pageStr; } }