本文实例为大家分享了php分页类的具体代码,供大家参考,具体内容如下
<?php /** file: page.class.php 完美分页类 Page */ class Page { private $total; //数据表中总记录数 private $listRows; //每页显示行数 private $limit; //SQL语句使用limit从句,限制获取记录个数 private $uri; //自动获取url的请求地址 private $pageNum; //总页数 private $page; //当前页 private $config = array( 'head' => "条记录", 'prev' => "上一页", 'next' => "下一页", 'first'=> "首页", 'last' => "末页" ); //在分页信息中显示内容,可以自己通过set()方法设置 private $listNum = 10; //默认分页列表显示的个数 /** 构造方法,可以设置分页类的属性 @param int $total 计算分页的总记录数 @param int $listRows 可选的,设置每页需要显示的记录数,默认为25条 @param mixed $query 可选的,为向目标页面传递参数,可以是数组,也可以是查询字符串格式 @param bool $ord 可选的,默认值为true, 页面从第一页开始显示,false则为最后一页 */ public function __construct($total, $listRows=25, $query="", $ord=true){ $this->total = $total; $this->listRows = $listRows; $this->uri = $this->getUri($query); $this->pageNum = ceil($this->total / $this->listRows); if(!empty($_GET["page"])) { $page = $_GET["page"]; }else{ if($ord) $page = 1; else $page = $this->pageNum; } if($total > 0) { if(preg_match('/\D/', $page) ){ $this->page = 1; }else{ $this->page = $page; } }else{ $this->page = 0; } $this->limit = "LIMIT ".$this->setLimit(); } /** 用于设置显示分页的信息,可以进行连贯操作 @param string $param 是成员属性数组config的下标 @param string $value 用于设置config下标对应的元素值 @return object 返回本对象自己$this, 用于连惯操作 */ function set($param, $value){ if(array_key_exists($param, $this->config)){ $this->config[$param] = $value; } return $this; } function __get($args){ if($args == "limit" || $args == "page") return $this->$args; else return null; } /** 按指定的格式输出分页 @param int 0-7的数字分别作为参数,用于自定义输出分页结构和调整结构的顺序,默认输出全部结构 @return string 分页信息内容 */ function fpage(){ $arr = func_get_args(); $html[0] = "<span class='p1'> 共<b> {$this->total} </b>{$this->config["head"]} </span>"; $html[1] = " 本页 <b>".$this->disnum()."</b> 条 "; $html[2] = " 本页从 <b>{$this->start()}-{$this->end()}</b> 条 "; $html[3] = " <b>{$this->page}/{$this->pageNum}</b>页 "; $html[4] = $this->firstprev(); $html[5] = $this->pageList(); $html[6] = $this->nextlast(); $html[7] = $this->goPage(); $fpage = '<div style="font:12px \'\5B8B\4F53\',san-serif;">'; if(count($arr) < 1) $arr = array(0, 1,2,3,4,5,6,7); for($i = 0; $i < count($arr); $i++) $fpage .= $html[$arr[$i]]; $fpage .= '</div>'; return $fpage; } private function setLimit(){ if($this->page > 0) return ($this->page-1)*$this->listRows.", {$this->listRows}"; else return 0; } private function getUri($query){ $request_uri = $_SERVER["REQUEST_URI"]; $url = strstr($request_uri,'?') ? $request_uri : $request_uri.'?'; if(is_array($query)) $url .= http_build_query($query); else if($query != "") $url .= "&".trim($query, "?&"); $arr = parse_url($url); if(isset($arr["query"])){ parse_str($arr["query"], $arrs); unset($arrs["page"]); $url = $arr["path"].'?'.http_build_query($arrs); } if(strstr($url, '?')) { if(substr($url, -1)!='?') $url = $url.'&'; }else{ $url = $url.'?'; } return $url; } private function start(){ if($this->total == 0) return 0; else return ($this->page-1) * $this->listRows+1; } private function end(){ return min($this->page * $this->listRows, $this->total); } private function firstprev(){ if($this->page > 1) { $str = " <a href='{$this->uri}page=1'>{$this->config["first"]}</a> "; $str .= "<a href='{$this->uri}page=".($this->page-1)."'>{$this->config["prev"]}</a> "; return $str; } } private function pageList(){ $linkPage = " <b>"; $inum = floor($this->listNum/2); for($i = $inum; $i >= 1; $i--){ $page = $this->page-$i; if($page >= 1) $linkPage .= "<a href='{$this->uri}page={$page}'>{$page}</a> "; } if($this->pageNum > 1) $linkPage .= "<span style='padding:1px 2px;background:#BBB;color:white'>{$this->page}</span> "; for($i=1; $i <= $inum; $i++){ $page = $this->page+$i; if($page <= $this->pageNum) $linkPage .= "<a href='{$this->uri}page={$page}'>{$page}</a> "; else break; } $linkPage .= '</b>'; return $linkPage; } private function nextlast(){ if($this->page != $this->pageNum) { $str = " <a href='{$this->uri}page=".($this->page+1)."'>{$this->config["next"]}</a> "; $str .= " <a href='{$this->uri}page=".($this->pageNum)."'>{$this->config["last"]}</a> "; return $str; } } private function goPage(){ if($this->pageNum > 1) { return ' <input style="width:20px;height:17px !important;height:18px;border:1px solid #CCCCCC;" type="text" onkeydown="javascript:if(event.keyCode==13){var page=(this.value>'.$this->pageNum.')?'.$this->pageNum.':this.value;location=\''.$this->uri.'page=\'+page+\'\'}" value="'.$this->page.'"><input style="cursor:pointer;width:25px;height:18px;border:1px solid #CCCCCC;" type="button" value="GO" onclick="javascript:var page=(this.previousSibling.value>'.$this->pageNum.')?'.$this->pageNum.':this.previousSibling.value;location=\''.$this->uri.'page=\'+page+\'\'"> '; } } private function disnum(){ if($this->total > 0){ return $this->end()-$this->start()+1; }else{ return 0; } } }
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。