今天是学习做后台页面布局，用得是bootcss。那么效果展示一下。
布局的代码
[html] %20<!DOCTYPE%20html> <html%20lang="en"> <head> %20<meta%20http-equiv="Content-Type"%20content="text/html;%20charset=utf-8"%20/> %20<title>无标题文档</title> %20<link%20rel="stylesheet"%20type="text/css"%20href="css/bootstrap.min.css"></head> <body> %20<div%20class="container-fluid"> %20<div%20class="row-fluid"> %20<div%20class="span4"> %20<h3>瀑布流留言板管理系统</h3> %20</div> %20</div> %20<div%20class="row-fluid"> %20<div%20id="menu"%20class="span2"> %20<ul%20class="nav%20nav-list"> %20<li%20class="nav-header">留言管理</li> %20<li%20class="active"> %20<a%20id="start"%20href="javascript:void(0);">所有留言</a> %20</li> %20<li%20class="nav-header">网站管理</li> %20<li%20class=""> %20<a%20href="javascript:void(0);">基本设置</a> %20</li> %20</ul> %20</div> %20<div%20id="main"%20class="span10"> %20<div%20id="mainData"></div> %20</div> %20</div> %20</div> </body> %20<script%20src="js/jquery-2.0.1.min.js"></script> %20<script%20type="text/javascript"%20src="js/bootstrap.min.js"></script> %20<script%20type="text/javascript"%20src="js/admin.js"></script> </html>
<!DOCTYPE%20html><html%20lang="en"><head> %20<meta%20http-equiv="Content-Type"%20content="text/html;%20charset=utf-8"%20/> %20<title>无标题文档</title> %20<link%20rel="stylesheet"%20type="text/css"%20href="css/bootstrap.min.css"></head>
<body>
%20<div%20class="container-fluid"> %20<div%20class="row-fluid"> %20<div%20class="span4"> %20<h3>瀑布流留言板管理系统</h3> %20</div> %20</div>
%20<div%20class="row-fluid"> %20<div%20id="menu"%20class="span2"> %20<ul%20class="nav%20nav-list"> %20<li%20class="nav-header">留言管理</li> %20<li%20class="active"> %20<a%20id="start"%20href="javascript:void(0);">所有留言</a> %20</li> %20<li%20class="nav-header">网站管理</li> %20<li%20class=""> %20<a%20href="javascript:void(0);">基本设置</a> %20</li>
%20</ul> %20</div>
%20<div%20id="main"%20class="span10"> %20<div%20id="mainData"></div> %20</div> %20</div>
%20</div>
</body> %20<script%20src="js/jquery-2.0.1.min.js"></script>
%20<script%20type="text/javascript"%20src="js/bootstrap.min.js"></script> %20<script%20type="text/javascript"%20src="js/admin.js"></script>
</html>
从中学到javascript函数
str.substr(0,20)意思是从0个字符开始取20个字符
Math.random()取随机数
switch语句
这后台是ajax的噢。写了好久的分页呢。好吧，直接上代码。
[javascript] %20//%20JavaScript%20Document $('body').off('.data-api'); $(document).ready(function(e)%20{ %20$("#menu%20a").click(function()%20{ %20switch%20($(this).text())%20{ %20case%20'所有留言': %20admin_content(1); %20break; %20case%20'基本设置': %20$("#main%20#mainData").load('admin_config.html?r='+Math.random()); %20break; %20default: %20break; %20} %20}); %20$("#start").click(); }); /***留言管理*/ function%20admin_content(page)%20{ %20$.ajax({ %20url:%20'http://localhost/l/admin.php?m=admin&a=content&page='%20+%20page%20+%20'&rand='%20+%20Math.random(), %20type:%20'get', %20dataType:%20'json', %20data:%20{}, %20complete:%20function(xhr,%20textStatus)%20{ %20//called%20when%20complete %20}, %20success:%20function(json,%20textStatus,%20xhr)%20{ %20if%20(json['state']%20==%20'ok')%20{ %20var%20page_start%20=%20json['start'];//分页开始 %20var%20page_end%20=%20json['end'];//分页结束 %20var%20page_page%20=%20json['page'];//分页当前页面 %20var%20data%20=%20json['data'];//分页数据 /***%20生成%20表格内容*/ %20var%20table_html%20=%20'<table%20class="table%20table-hover"><tr><th>操作</th><th>用户名</th><th>留言内容</th><th>发表时间</th></tr>'; %20for%20(i%20=%200;%20i%20<%20data.length;%20i++)%20{ %20var%20trClass%20=%20(i%20%%202%20==%200)%20?%20'class="info"'%20:%20''; %20var%20tr_html%20=%20'<tr%20'%20+%20trClass%20+%20'><td%20width=100><a%20href="javascript:admin_content_del('+data[i].id+');">删除</a></td><td%20width=100>'%20+%20data[i].userName%20+%20'</td><td%20width=400%20><div%20style="max-width:400px;max-height:150px;overflow-y:auto;">'%20+%20data[i].content%20+%20'</div></td><td%20>'%20+%20getLocalTime(data[i].time)%20+%20'</td></tr>'; %20table_html%20=%20table_html%20+%20tr_html; %20} %20table_html%20=%20table_html%20+%20'</table>'; /***生成分页*/ %20var%20page_html%20=%20'<div%20id="mainPage"><div%20class="pagination"><ul>'; %20if%20(page_end%20!==%200)%20{ %20if%20(page_page%20==%201)%20{ %20page_html%20=%20page_html%20+%20'<li%20class="disabled"><a%20href="JavaScript:void(0);">«</a></li>'; %20}%20else%20{ %20page_html%20=%20page_html%20+%20'<li><a%20href="JavaScript:void(0);">«</a></li>'; %20} %20} %20for%20(var%20i%20=%20page_start;%20i%20<=%20page_end;%20i++)%20{ %20if%20(page_page%20==%20i)%20{ %20page_html%20=%20page_html%20+%20'<li%20class="active"><a%20href="JavaScript:void(0);">'%20+%20i%20+%20'</a></li>'; %20}%20else%20{ %20page_html%20=%20page_html%20+%20'<li><a%20href="JavaScript:void(0);">'%20+%20i%20+%20'</a></li>'; %20} %20} %20if%20(page_end%20!==%200)%20{ %20if%20(page_page%20==%20page_end)%20{ %20page_html%20=%20page_html%20+%20'<li%20class="disabled"><a%20href="JavaScript:void(0);">»</a></li>'; %20}%20else%20{ %20page_html%20=%20page_html%20+%20'<li><a%20href="JavaScript:void(0);">»</a></li>'; %20} %20} %20page_html%20=%20page_html%20+%20'</ul></div></div>'; %20var%20mainData%20=%20$("#main%20#mainData"); %20mainData.html(table_html); %20mainData.append(page_html); %20admin_content_page(page_page,page_end);%20//挂接分页点击事件 %20} %20//alert(json.data); %20}, %20error:%20function(xhr,%20textStatus,%20errorThrown)%20{ %20//called%20when%20there%20is%20an%20error %20} %20}); } /***%20挂机分页事件*%20参数%20page_page%20当前分页*%20参数%20page_end %20分页数量*/ function%20admin_content_page(page_page,page_end)%20{ %20$("#mainPage%20a").click(function()%20{ %20var%20charStr%20=%20$(this).text(); %20var%20num%20=%20charStr; %20if%20(charStr%20==%20"»")%20{ %20num%20=%20parseInt(page_page)%20+%201; %20if%20(page_end%20<%20num)%20{ %20return; %20} %20}%20else%20if%20(charStr%20==%20"«")%20{ %20num%20=%20parseInt(page_page)%20-%201; %20if%20(num%20<=%200)%20{ %20return; %20} %20} %20admin_content(num); %20}); } function%20admin_content_del%20(id)%20{ %20alert(id); } function%20getLocalTime(nS)%20{ %20return%20new%20Date(parseInt(nS)%20*%201000).toLocaleString().replace(/:/d{1,2}$/,%20'%20'); }
//%20JavaScript%20Document$('body').off('.data-api');
$(document).ready(function(e)%20{
$("#menu%20a").click(function()%20{
switch%20($(this).text())%20{ case%20'所有留言': admin_content(1); break;
case%20'基本设置': $("#main%20#mainData").load('admin_config.html?r='+Math.random()); break;
default: break; }
});
$("#start").click();});
/***留言管理*/function%20admin_content(page)%20{ $.ajax({ url:%20'http://localhost/l/admin.php?m=admin&a=content&page='%20+%20page%20+%20'&rand='%20+%20Math.random(), type:%20'get', dataType:%20'json', data:%20{}, complete:%20function(xhr,%20textStatus)%20{ //called%20when%20complete }, success:%20function(json,%20textStatus,%20xhr)%20{ if%20(json['state']%20==%20'ok')%20{ var%20page_start%20=%20json['start'];//分页开始 var%20page_end%20=%20json['end'];//分页结束 var%20page_page%20=%20json['page'];//分页当前页面 var%20data%20=%20json['data'];//分页数据/***%20生成%20表格内容*/ var%20table_html%20=%20'<table%20class="table%20table-hover"><tr><th>操作</th><th>用户名</th><th>留言内容</th><th>发表时间</th></tr>'; for%20(i%20=%200;%20i%20<%20data.length;%20i++)%20{ var%20trClass%20=%20(i%20%%202%20==%200)%20?%20'class="info"'%20:%20'';
var%20tr_html%20=%20'<tr%20'%20+%20trClass%20+%20'><td%20width=100><a%20href="javascript:admin_content_del('+data[i].id+');">删除</a></td><td%20width=100>'%20+%20data[i].userName%20+%20'</td><td%20width=400%20><div%20style="max-width:400px;max-height:150px;overflow-y:auto;">'%20+%20data[i].content%20+%20'</div></td><td%20>'%20+%20getLocalTime(data[i].time)%20+%20'</td></tr>'; table_html%20=%20table_html%20+%20tr_html; } table_html%20=%20table_html%20+%20'</table>';
/***生成分页*/ var%20page_html%20=%20'<div%20id="mainPage"><div%20class="pagination"><ul>'; if%20(page_end%20!==%200)%20{ if%20(page_page%20==%201)%20{ page_html%20=%20page_html%20+%20'<li%20class="disabled"><a%20href="JavaScript:void(0);">«</a></li>'; }%20else%20{ page_html%20=%20page_html%20+%20'<li><a%20href="JavaScript:void(0);">«</a></li>'; } } for%20(var%20i%20=%20page_start;%20i%20<=%20page_end;%20i++)%20{ if%20(page_page%20==%20i)%20{ page_html%20=%20page_html%20+%20'<li%20class="active"><a%20href="JavaScript:void(0);">'%20+%20i%20+%20'</a></li>'; }%20else%20{ page_html%20=%20page_html%20+%20'<li><a%20href="JavaScript:void(0);">'%20+%20i%20+%20'</a></li>'; }
} if%20(page_end%20!==%200)%20{ if%20(page_page%20==%20page_end)%20{ page_html%20=%20page_html%20+%20'<li%20class="disabled"><a%20href="JavaScript:void(0);">»</a></li>'; }%20else%20{ page_html%20=%20page_html%20+%20'<li><a%20href="JavaScript:void(0);">»</a></li>'; }
} page_html%20=%20page_html%20+%20'</ul></div></div>';
var%20mainData%20=%20$("#main%20#mainData"); mainData.html(table_html); mainData.append(page_html);
admin_content_page(page_page,page_end);%20//挂接分页点击事件 }
//alert(json.data); }, error:%20function(xhr,%20textStatus,%20errorThrown)%20{ //called%20when%20there%20is%20an%20error } });}
/***%20挂机分页事件*%20参数%20page_page%20当前分页*%20参数%20page_end %20分页数量*/function%20admin_content_page(page_page,page_end)%20{ $("#mainPage%20a").click(function()%20{ var%20charStr%20=%20$(this).text(); var%20num%20=%20charStr; if%20(charStr%20==%20"»")%20{ num%20=%20parseInt(page_page)%20+%201; if%20(page_end%20<%20num)%20{ return; }
}%20else%20if%20(charStr%20==%20"«")%20{ num%20=%20parseInt(page_page)%20-%201; if%20(num%20<=%200)%20{ return; } }
admin_content(num);
});}
function%20admin_content_del%20(id)%20{ alert(id);}
function%20getLocalTime(nS)%20{ return%20new%20Date(parseInt(nS)%20*%201000).toLocaleString().replace(/:/d{1,2}$/,%20'%20');}这是分页请求的服务端代码
[php] %20public%20function%20content() { %20//引入分页类 %20include%20"page.class.php"; %20//得到data表的数据数量 %20$rows%20=%20$this->db->count('select%20*%20from%20data'); %20//创建分页对象 %20$page%20=%20new%20Page($rows,%205,%20""); %20$list=$this->db %20->order('id%20DESC') %20->table('data') %20->limit($page->getLimit()) %20->select(); %20/* %20echo%20"<pre>"; %20var_dump($list); %20echo%20"</pre>"; %20*/ %20$json['state']='ok'; %20$json['start']=$page->getStart(); %20$json['end']=$page->getEnd(); %20$json['page']=$page->getPage(); %20$json['data']=$list; %20echo%20json_encode($json); %20//exit(); }
public%20function%20content() { //引入分页类 include%20"page.class.php"; //得到data表的数据数量 $rows%20=%20$this->db->count('select%20*%20from%20data'); //创建分页对象 $page%20=%20new%20Page($rows,%205,%20""); $list=$this->db %20->order('id%20DESC') %20->table('data') %20 %20->limit($page->getLimit()) %20 %20->select(); /* echo%20"<pre>"; var_dump($list); echo%20"</pre>"; */ $json['state']='ok'; $json['start']=$page->getStart(); $json['end']=$page->getEnd(); $json['page']=$page->getPage(); $json['data']=$list; echo%20json_encode($json); //exit(); }做这分页的时候由于是ajax，html代码生成都在客户端。经过我观察这分页类存在问题。实际上许多代码都没必要存在。有时间我去把他干掉。
附上代码%20page.class.php
[php] %20<?php %20/** %20file:%20page.class.php %20完美分页类%20Page %20@微凉%20QQ496928838 %20*/ %20class%20Page%20{ %20private%20$total; %20//数据表中总记录数 %20private%20$listRows; %20//每页显示行数 %20private%20$limit; %20//SQL语句使用limit从句,限制获取记录个数 %20private%20$uri; %20//自动获取url的请求地址 %20private%20$pageNum; %20//总页数 %20private%20$page; %20//当前页 %20private%20$config%20=%20array( %20'head'%20=>%20"条记录", %20'prev'%20=>%20"上一页", %20'next'%20=>%20"下一页", %20'first'=>%20"首页", %20'last'%20=>%20"末页" %20); %20//在分页信息中显示内容，可以自己通过set()方法设置 %20private%20$listNum%20=%2010; %20//默认分页列表显示的个数 %20/** %20构造方法，可以设置分页类的属性 %20@param %20int%20$total %20计算分页的总记录数 %20@param %20int%20$listRows %20可选的，设置每页需要显示的记录数，默认为25条 %20@param %20mixed %20$query %20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 %20@param %20bool %20$ord %20可选的，默认值为true,%20页面从第一页开始显示，false则为最后一页 %20*/ %20public%20function%20__construct($total,%20$listRows=25,%20$query="",%20$ord=true){ %20$this->total%20=%20$total; %20$this->listRows%20=%20$listRows; %20$this->uri%20=%20$this->getUri($query); %20$this->pageNum%20=%20ceil($this->total%20/%20$this->listRows); %20/*以下判断用来设置当前面*/ %20if(!empty($_GET["page"]))%20{ %20$page%20=%20$_GET["page"]; %20}else{ %20if($ord) %20$page%20=%201; %20else %20$page%20=%20$this->pageNum; %20} %20if($total%20>%200)%20{ %20if(preg_match('//D/',%20$page)%20){ %20$this->page%20=%201; %20}else{ %20$this->page%20=%20$page; %20} %20}else{ %20$this->page%20=%200; %20} %20$this->limit%20=%20"LIMIT%20".$this->getLimit(); %20} %20/** %20用于设置显示分页的信息，可以进行连贯操作 %20@param %20string %20$param %20是成员属性数组config的下标 %20@param %20string %20$value %20用于设置config下标对应的元素值 %20@return%20object %20返回本对象自己$this，%20用于连惯操作 %20*/ %20function%20set($param,%20$value){ %20if(array_key_exists($param,%20$this->config)){ %20$this->config[$param]%20=%20$value; %20} %20return%20$this; %20} %20/*%20不是直接去调用，通过该方法，可以使用在对象外部直接获取私有成员属性limit和page的值%20*/ %20function%20__get($args){ %20if($args%20==%20"limit"%20||%20$args%20==%20"page") %20return%20$this->$args; %20else %20return%20null; %20} %20/** %20按指定的格式输出分页 %20@param %20int%200-7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 %20@return%20string %20分页信息内容 %20*/ %20function%20fpage(){ %20$arr%20=%20func_get_args(); %20$html[0]%20=%20"%20共<b>%20{$this->total}%20</b>{$this->config["head"]}%20"; %20$html[1]%20=%20"%20本页%20<b>".$this->disnum()."</b>%20条%20"; %20$html[2]%20=%20"%20本页从%20<b>{$this->start()}-{$this->end()}</b>%20条%20"; %20$html[3]%20=%20"%20<b>{$this->page}/{$this->pageNum}</b>页%20"; %20$html[4]%20=%20$this->firstprev(); %20$html[5]%20=%20$this->pageList(); %20$html[6]%20=%20$this->nextlast(); %20$html[7]%20=%20$this->goPage(); %20$fpage%20=%20'<div%20style="font:12px%20/'/5B8B/4F53/',san-serif;">'; %20if(count($arr)%20<%201) %20$arr%20=%20array(0,%201,2,3,4,5,6,7); %20for($i%20=%200;%20$i%20<%20count($arr);%20$i++) %20$fpage%20.=%20$html[$arr[$i]]; %20$fpage%20.=%20'</div>'; %20return%20$fpage; %20} %20/*%20格式为%201,5，*/ %20function%20getLimit(){ %20if($this->page%20>%200) %20return%20($this->page-1)*$this->listRows.",{$this->listRows}"; %20else %20return%200; %20} %20//当前的页面 %20function%20getPage(){ %20return%20$this->page; %20} %20//分页的开始 %20function%20getStart(){ %20$num1=$this->page-4; %20return%20$num1>0?$num1:1; %20} %20//分页的结束 %20function%20getEnd(){ %20$num1=$this->pageNum; %20$num2=$this->page+5; %20return%20$num1<$num2?$num1:$num2; %20} %20/*%20在对象内部使用的私有方法，用于自动获取访问的当前URL%20*/ %20private%20function%20getUri($query){ %20$request_uri%20=%20$_SERVER["REQUEST_URI"]; %20$url%20=%20strstr($request_uri,'?')%20?%20$request_uri%20: %20$request_uri.'?'; %20if(is_array($query)) %20$url%20.=%20http_build_query($query); %20else%20if($query%20!=%20"") %20$url%20.=%20"&".trim($query,%20"?&"); %20$arr%20=%20parse_url($url); %20if(isset($arr["query"])){ %20parse_str($arr["query"],%20$arrs); %20unset($arrs["page"]); %20$url%20=%20$arr["path"].'?'.http_build_query($arrs); %20} %20if(strstr($url,%20'?'))%20{ %20if(substr($url,%20-1)!='?') %20$url%20=%20$url.'&'; %20}else{ %20$url%20=%20$url.'?'; %20} %20return%20$url; %20} %20/*%20在对象内部使用的私有方法，用于获取当前页开始的记录数%20*/ %20private%20function%20start(){ %20if($this->total%20==%200) %20return%200; %20else %20return%20($this->page-1)%20*%20$this->listRows+1; %20} %20/*%20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%20*/ %20private%20function%20end(){ %20return%20min($this->page%20*%20$this->listRows,%20$this->total); %20} %20/*%20在对象内部使用的私有方法，用于获取上一页和首页的操作信息%20*/ %20private%20function%20firstprev(){ %20if($this->page%20>%201)%20{ %20$str%20=%20"%20<a%20href='{$this->uri}page=1'>{$this->config["first"]}</a>%20"; %20$str%20.=%20"<a%20href='{$this->uri}page=".($this->page-1)."'>{$this->config["prev"]}</a>%20"; %20return%20$str; %20} %20} %20/*%20在对象内部使用的私有方法，用于获取页数列表信息%20*/ %20private%20function%20pageList(){ %20$linkPage%20=%20"%20<b>"; %20$inum%20=%20floor($this->listNum/2); %20/*当前页前面的列表%20*/ %20for($i%20=%20$inum;%20$i%20>=%201;%20$i--){ %20$page%20=%20$this->page-$i; %20if($page%20>=%201) %20$linkPage%20.=%20"<a%20href='{$this->uri}page={$page}'>{$page}</a>%20"; %20} %20/*当前页的信息%20*/ %20if($this->pageNum%20>%201) %20$linkPage%20.=%20"<span%20style='padding:1px%202px;background:#BBB;color:white'>{$this->page}</span>%20"; %20/*当前页后面的列表%20*/ %20for($i=1;%20$i%20<=%20$inum;%20$i++){ %20$page%20=%20$this->page+$i; %20if($page%20<=%20$this->pageNum) %20$linkPage%20.=%20"<a%20href='{$this->uri}page={$page}'>{$page}</a>%20"; %20else %20break; %20} %20$linkPage%20.=%20'</b>'; %20return%20$linkPage; %20} %20/*%20在对象内部使用的私有方法，获取下一页和尾页的操作信息%20*/ %20private%20function%20nextlast(){ %20if($this->page%20!=%20$this->pageNum)%20{ %20$str%20=%20"%20<a%20href='{$this->uri}page=".($this->page+1)."'>{$this->config["next"]}</a>%20"; %20$str%20.=%20"%20<a%20href='{$this->uri}page=".($this->pageNum)."'>{$this->config["last"]}</a>%20"; %20return%20$str; %20} %20} %20/*%20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%20*/ %20private%20function%20goPage(){ %20if($this->pageNum%20>%201)%20{ %20return%20'%20<input%20style="width:20px;height:17px%20!important;height:18px;border:1px%20solid%20#CCCCCC;"%20type="text"%20onkeydown="javascript:if(event.keyCode==13){var%20page=(this.value>'.$this->pageNum.')?'.$this->pageNum.':this.value;location=/''.$this->uri.'page=/'+page+/'/'}"%20value="'.$this->page.'"><input%20style="cursor:pointer;width:25px;height:18px;border:1px%20solid%20#CCCCCC;"%20type="button"%20value="GO"%20onclick="javascript:var%20page=(this.previousSibling.value>'.$this->pageNum.')?'.$this->pageNum.':this.previousSibling.value;location=/''.$this->uri.'page=/'+page+/'/'">%20'; %20} %20} %20/*%20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%20*/ %20private%20function%20disnum(){ %20if($this->total%20>%200){ %20return%20$this->end()-$this->start()+1; %20}else{ %20return%200; %20} %20} %20}
<?php /** file:%20page.class.php 完美分页类%20Page @微凉%20QQ496928838 */ class%20Page%20{ private%20$total; %20 %20 //数据表中总记录数 private%20$listRows;%20 //每页显示行数 private%20$limit; %20 %20 //SQL语句使用limit从句,限制获取记录个数 private%20$uri; %20 %20 //自动获取url的请求地址 private%20$pageNum;%20 %20 //总页数 private%20$page; //当前页 private%20$config%20=%20array( 'head'%20=>%20"条记录", 'prev'%20=>%20"上一页", 'next'%20=>%20"下一页", 'first'=>%20"首页", 'last'%20=>%20"末页" );%20 //在分页信息中显示内容，可以自己通过set()方法设置 private%20$listNum%20=%2010;%20 //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%20 bool $ord 可选的，默认值为true,%20页面从第一页开始显示，false则为最后一页 %20*/ public%20function%20__construct($total,%20$listRows=25,%20$query="",%20$ord=true){ $this->total%20=%20$total; $this->listRows%20=%20$listRows; $this->uri%20=%20$this->getUri($query); $this->pageNum%20=%20ceil($this->total%20/%20$this->listRows); /*以下判断用来设置当前面*/ if(!empty($_GET["page"]))%20{ $page%20=%20$_GET["page"]; }else{ if($ord) $page%20=%201; else $page%20=%20$this->pageNum; }
if($total%20>%200)%20{ if(preg_match('//D/',%20$page)%20){ $this->page%20=%201; }else{ $this->page%20=%20$page; } }else{ $this->page%20=%200; } $this->limit%20=%20"LIMIT%20".$this->getLimit(); }
/** 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，%20用于连惯操作 %20*/ function%20set($param,%20$value){ if(array_key_exists($param,%20$this->config)){ $this->config[$param]%20=%20$value; } return%20$this; } /*%20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%20*/ function%20__get($args){ if($args%20==%20"limit"%20||%20$args%20==%20"page") return%20$this->$args; else return%20null; } /** 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 %20*/ function%20fpage(){ $arr%20=%20func_get_args();
$html[0]%20=%20"%20共<b>%20{$this->total}%20</b>{$this->config["head"]}%20"; $html[1]%20=%20"%20本页%20<b>".$this->disnum()."</b>%20条%20"; $html[2]%20=%20"%20本页从%20<b>{$this->start()}-{$this->end()}</b>%20条%20"; $html[3]%20=%20"%20<b>{$this->page}/{$this->pageNum}</b>页%20"; $html[4]%20=%20$this->firstprev(); $html[5]%20=%20$this->pageList(); $html[6]%20=%20$this->nextlast(); $html[7]%20=%20$this->goPage();
$fpage%20=%20'<div%20style="font:12px%20/'/5B8B/4F53/',san-serif;">'; if(count($arr)%20<%201) $arr%20=%20array(0,%201,2,3,4,5,6,7); for($i%20=%200;%20$i%20<%20count($arr);%20$i++) $fpage%20.=%20$html[$arr[$i]]; $fpage%20.=%20'</div>'; return%20$fpage; } /*%20格式为%201,5，*/ function%20getLimit(){ if($this->page%20>%200) return%20($this->page-1)*$this->listRows.",{$this->listRows}"; else return%200; }
//当前的页面 function%20getPage(){ return%20$this->page; } //分页的开始 function%20getStart(){ $num1=$this->page-4;
return%20$num1>0?$num1:1;
} //分页的结束 function%20getEnd(){ $num1=$this->pageNum; $num2=$this->page+5;
return%20$num1<$num2?$num1:$num2; }
/*%20在对象内部使用的私有方法，用于自动获取访问的当前URL%20*/ private%20function%20getUri($query){ $request_uri%20=%20$_SERVER["REQUEST_URI"]; $url%20=%20strstr($request_uri,'?')%20?%20$request_uri%20: %20$request_uri.'?'; if(is_array($query)) $url%20.=%20http_build_query($query); else%20if($query%20!=%20"") $url%20.=%20"&".trim($query,%20"?&"); $arr%20=%20parse_url($url);
if(isset($arr["query"])){ parse_str($arr["query"],%20$arrs); unset($arrs["page"]); $url%20=%20$arr["path"].'?'.http_build_query($arrs); } if(strstr($url,%20'?'))%20{ if(substr($url,%20-1)!='?') $url%20=%20$url.'&'; }else{ $url%20=%20$url.'?'; } return%20$url; }
/*%20在对象内部使用的私有方法，用于获取当前页开始的记录数%20*/ private%20function%20start(){ if($this->total%20==%200) return%200; else return%20($this->page-1)%20*%20$this->listRows+1; }
/*%20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%20*/ private%20function%20end(){ return%20min($this->page%20*%20$this->listRows,%20$this->total); }
/*%20在对象内部使用的私有方法，用于获取上一页和首页的操作信息%20*/ private%20function%20firstprev(){ if($this->page%20>%201)%20{ $str%20=%20"%20<a%20href='{$this->uri}page=1'>{$this->config["first"]}</a>%20"; $str%20.=%20"<a%20href='{$this->uri}page=".($this->page-1)."'>{$this->config["prev"]}</a>%20"; return%20$str; }
} /*%20在对象内部使用的私有方法，用于获取页数列表信息%20*/ private%20function%20pageList(){ $linkPage%20=%20"%20<b>"; $inum%20=%20floor($this->listNum/2); /*当前页前面的列表%20*/ for($i%20=%20$inum;%20$i%20>=%201;%20$i--){ $page%20=%20$this->page-$i;
if($page%20>=%201) $linkPage%20.=%20"<a%20href='{$this->uri}page={$page}'>{$page}</a>%20"; } /*当前页的信息%20*/ if($this->pageNum%20>%201) $linkPage%20.=%20"<span%20style='padding:1px%202px;background:#BBB;color:white'>{$this->page}</span>%20"; /*当前页后面的列表%20*/ for($i=1;%20$i%20<=%20$inum;%20$i++){ $page%20=%20$this->page+$i; if($page%20<=%20$this->pageNum) $linkPage%20.=%20"<a%20href='{$this->uri}page={$page}'>{$page}</a>%20"; else break; } $linkPage%20.=%20'</b>'; return%20$linkPage; }
/*%20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%20*/ private%20function%20nextlast(){ if($this->page%20!=%20$this->pageNum)%20{ $str%20=%20"%20<a%20href='{$this->uri}page=".($this->page+1)."'>{$this->config["next"]}</a>%20"; $str%20.=%20"%20<a%20href='{$this->uri}page=".($this->pageNum)."'>{$this->config["last"]}</a>%20"; return%20$str; } }
/*%20在对象内部使用的私有方法，用于显示和处理表单跳转页面%20*/ private%20function%20goPage(){ %20 if($this->pageNum%20>%201)%20{ return%20'%20<input%20style="width:20px;height:17px%20!important;height:18px;border:1px%20solid%20#CCCCCC;"%20type="text"%20onkeydown="javascript:if(event.keyCode==13){var%20page=(this.value>'.$this->pageNum.')?'.$this->pageNum.':this.value;location=/''.$this->uri.'page=/'+page+/'/'}"%20value="'.$this->page.'"><input%20style="cursor:pointer;width:25px;height:18px;border:1px%20solid%20#CCCCCC;"%20type="button"%20value="GO"%20onclick="javascript:var%20page=(this.previousSibling.value>'.$this->pageNum.')?'.$this->pageNum.':this.previousSibling.value;location=/''.$this->uri.'page=/'+page+/'/'">%20'; } }
/*%20在对象内部使用的私有方法，用于获取本页显示的记录条数%20*/ private%20function%20disnum(){ if($this->total%20>%200){ return%20$this->end()-$this->start()+1; }else{ return%200; } } }
