PHP ?完美分页类

<?php ???????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 ??limit m.n ???????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( ???????????????//config配置 ???????????????‘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 $listNum = 10; ????????????????????//默认分页列表显示的个数 ???????// 共10页 1/10 上一页1 2 3 4 5 下一页 ???????/** ???????????构造方法，可以设置分页类的属性 ???????????@param ???int ???$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); ???????????//获取浏览器地址栏中的地址 ???????????$this->pageNum = ceil($this->total / $this->listRows); ???????????//总共多少页 ???????????/*以下判断用来设置当前面*/ ???????????if(!empty($_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 $this; ???????} ???????????????/* 不是直接去调用，通过该方法，可以使用在对象外部直接获取私有成员属性limit和page的值 */ ???????function __get($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 ????????*/

 ???????// 共10页 1/10 上一页1 2 3 4 5 下一页 ???????function fpage(){ ???????????$arr = func_get_args(); ???????????$html[0] = "<span class=‘p1‘>&nbsp;共<b> {$this->total} </b>{$this->config["head"]}&nbsp;</span>"; ???????????//共100条记录 ???????????$html[1] = "&nbsp;本页 <b>".$this->disnum()."</b> 条&nbsp;"; ???????????//本页10条（因最后一页不确定） ???????????$html[2] = "&nbsp;本页从 <b>{$this->start()}-{$this->end()}</b> 条&nbsp;"; ???????????//本页从11-20条 ???????????$html[3] = "&nbsp;<b>{$this->page}/{$this->pageNum}</b>页&nbsp;"; ???????????// 2/10页 ???????????$html[4] = $this->firstprev(); ???????????//首页 上一页 ???????????$html[5] = $this->pageList(); ???????????//1 2 3 4 5 ???????????$html[6] = $this->nextlast(); ???????????//下一页 尾页 ???????????$html[7] = $this->goPage(); ???????????// ?[] go ??(跳转) ???????????$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 $fpage; ???????} ???????????????/* 在对象内部使用的私有方法，*/ ???????private function setLimit(){ ???????????if($this->page > 0) ???????????????return ($this->page-1)*$this->listRows.", {$this->listRows}"; ???????????else ???????????????return 0; ???????} ???????/* 在对象内部使用的私有方法，用于自动获取访问的当前URL */ ???????private function getUri($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 $url; ???????} ???????/* 在对象内部使用的私有方法，用于获取当前页开始的记录数 */ ???????private function start(){ ???????????if($this->total == 0) ???????????????return 0; ???????????else ???????????????return ($this->page-1) * $this->listRows+1; ???????} ???????/* 在对象内部使用的私有方法，用于获取当前页结束的记录数 */ ???????private function end(){ ???????????return min($this->page * $this->listRows, $this->total); ???????} ???????//min 取两个里小的 ???????/* 在对象内部使用的私有方法，用于获取上一页和首页的操作信息 */ ???????private function firstprev(){ ???????????if($this->page > 1) { ???????????????$str = "&nbsp;<a href=‘{$this->uri}page=1‘>{$this->config["first"]}</a>&nbsp;"; ???????????????$str .= "<a href=‘{$this->uri}，page=".($this->page-1)."‘>{$this->config["prev"]}</a>&nbsp;"; ???????????????return $str; ???????????} ???????} ???????????/* 在对象内部使用的私有方法，用于获取页数列表信息 */ ???????private function pageList(){ ???????????$linkPage = "&nbsp;<b>"; ???????????????????????$inum = floor($this->listNum/2);//floor向下取整 ???????????/*当前页前面的列表 */ ???????????for($i = $inum; $i >= 1; $i--){ ???????????????$page = $this->page-$i; ???????????????if($page >= 1) ???????????????????$linkPage .= "<a href=‘{$this->uri}page={$page}‘>{$page}</a>&nbsp;"; ???????????} ???????????/*当前页的信息 */ ???????????if($this->pageNum > 1) ???????????????$linkPage .= "<span style=‘padding:1px 2px;background:#BBB;color:white‘>{$this->page}</span>&nbsp;"; ???????????????????????/*当前页后面的列表 */ ???????????for($i=1; $i <= $inum; $i++){ ???????????????$page = $this->page+$i; ???????????????if($page <= $this->pageNum) ???????????????????$linkPage .= "<a href=‘{$this->uri}page={$page}‘>{$page}</a>&nbsp;"; ???????????????else ???????????????????break; ???????????} ???????????$linkPage .= ‘</b>‘; ???????????return $linkPage; ???????} ???????/* 在对象内部使用的私有方法，获取下一页和尾页的操作信息 */ ???????private function nextlast(){ ???????????if($this->page != $this->pageNum) { ???????????????$str = "&nbsp;<a href=‘{$this->uri}page=".($this->page+1)."‘>{$this->config["next"]}</a>&nbsp;"; ???????????????$str .= "&nbsp;<a href=‘{$this->uri}page=".($this->pageNum)."‘>{$this->config["last"]}</a>&nbsp;"; ???????????????return $str; ???????????} ???????} ???????/* 在对象内部使用的私有方法，用于显示和处理表单跳转页面 */ ???????private function goPage(){ ???????????????if($this->pageNum > 1) { ???????????????return ‘&nbsp;<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=\‘‘.$this->uri.‘page=\‘+page+\‘\‘">&nbsp;‘; ???????????} ???????} ???????/* 在对象内部使用的私有方法，用于获取本页显示的记录条数 */ ???????private function disnum(){ ???????????if($this->total > 0){ ???????????????return $this->end()-$this->start()+1; ???????????}else{ ???????????????return 0; ???????????} ???????} ???} ???????????

<!DOCTYPE html><html lang="en"><head> ???<meta charset="UTF-8"> ???<title>Title</title></head><body><?php//引入类（分页类10-24博客）require_once "YIN.class.php";require_once "../t/page.class.php";$db = new YIN();//取数据总条数$zts = "select count(*) from wg";$sql = $db->StrQuery($zts);//造对象$page = new Page($sql,15);//在obj后边加上分页，拼接$obj = "select * from wg ".$page->limit;$data = $db->Query($obj);?><table> ???<tr> ???????<td>员工编号</td><td>工资</td><td>时间</td> ???</tr> ???<?php ???foreach ($data as $i){ ???????echo "<tr> ???????<td>{$i[0]}</td><td>{$i[1]}</td><td>{$i[2]}</td> ???</tr>"; ???} ????></table><div> ???<?php//输出显示列表分页 ???echo $page->fpage(3,4,5,6); ????></div></body></html>