会python真的可以为所欲为0(回)
396天前
这里还有人吗1(回)
582天前这里还有人吗0(回)
582天前
每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
806天前到处都是羊，不想上班0(回)
886天前
鸽子
0(回)
890天前<?php |
//==================================================== |
// FileName: page.class.php |
// Summary: 系统分页配置 |
//==================================================== |
class page { |
/** |
* config ,public |
*/ |
var $page_name="pageNum";//page标签，用来控制url页。比如说xxx.php?PB_page=2中的PB_page |
var $next_page='>';//下一页 |
var $pre_page='<';//上一页 |
var $first_page='First';//首页 |
var $last_page='Last';//尾页 |
var $pre_bar='<<';//上一分页条 |
var $next_bar='>>';//下一分页条 |
var $format_left=' '; |
var $format_right=' '; |
var $is_ajax=false;//是否支持AJAX分页模式 |
/** |
* private |
* |
*/ |
var $pagebarnum=10;//控制记录条的个数。 |
var $totalpage=0;//总页数 |
var $ajax_action_name='';//AJAX动作名 |
var $nowindex=1;//当前页 |
var $url="";//url地址头 |
var $offset=0; |
/** |
* constructor构造函数 |
* |
* @param array $array['total'],$array['perpage'],$array['nowindex'],$array['url'],$array['ajax']... |
*/ |
function page($array){ |
if(is_array($array)){ |
if(!array_key_exists('total',$array))$this->error(__FUNCTION__,'need a param of total'); |
$total=intval($array['total']); |
$perpage=(array_key_exists('perpage',$array))?intval($array['perpage']):10; |
$nowindex=(array_key_exists('nowindex',$array))?intval($array['nowindex']):''; |
$url=(array_key_exists('url',$array))?$array['url']:''; |
}else{ |
$total=$array; |
$perpage=10; |
$nowindex=''; |
$url=''; |
} |
if((!is_int($total))||($total<0))$this->error(__FUNCTION__,$total.' is not a positive integer!'); |
if((!is_int($perpage))||($perpage<=0))$this->error(__FUNCTION__,$perpage.' is not a positive integer!'); |
if(!empty($array['page_name']))$this->set('page_name',$array['page_name']);//设置pagename |
$this->_set_nowindex($nowindex);//设置当前页 |
$this->_set_url($url);//设置链接地址 |
$this->totalpage=ceil($total/$perpage); |
$this->offset=($this->nowindex-1)*$this->perpage; |
if(!empty($array['ajax']))$this->open_ajax($array['ajax']);//打开AJAX模式 |
} |
|
/** |
* 设定类中指定变量名的值，如果改变量不属于这个类，将throw一个exception |
* |
* @param string $var |
* @param string $value |
*/ |
function set($var,$value){ |
if(in_array($var,get_object_vars($this))) |
$this->$var=$value; |
else { |
$this->error(__FUNCTION__,$var." does not belong to PB_Page!"); |
} |
|
} |
|
/** |
* 打开倒AJAX模式 |
* |
* @param string $action 默认ajax触发的动作。 |
*/ |
function open_ajax($action){ |
$this->is_ajax=true; |
$this->ajax_action_name=$action; |
} |
|
/** |
* 获取显示"下一页"的代码 |
* |
* @param string $style |
* @return string |
*/ |
function next_page($style=''){ |
if($this->nowindex<$this->totalpage){ |
return "<li>".$this->_get_link($this->_get_url($this->nowindex+1),$this->next_page,$style)."</li>"; |
} |
return "<li class='active'><span>".$this->next_page."</span></li>"; |
} |
/** |
* 获取显示“上一页”的代码 |
* |
* @param string $style |
* @return string |
*/ |
function pre_page($style=''){ |
if($this->nowindex>1){ |
return "<li>".$this->_get_link($this->_get_url($this->nowindex-1),$this->pre_page,$style)."</li>"; |
} |
return "<li class='active'><span>".$this->pre_page."</span></li>"; |
} |
/** |
* 获取显示“首页”的代码 |
* |
* @return string |
*/ |
function first_page($style=''){ |
if($this->nowindex==1){ |
return "<li class='active'><span>".$this->first_page."</span></li>"; |
} |
return "<li>".$this->_get_link($this->_get_url(1),$this->first_page,$style)."</li>"; |
} |
/** |
* 获取显示“尾页”的代码 |
* |
* @return string |
*/ |
function last_page($style='lastpage'){ |
if($this->nowindex==$this->totalpage){ |
return "<li class='active'><span>".$this->last_page."</span></li>"; |
} |
return "<li>".$this->_get_link($this->_get_url($this->totalpage),$this->last_page,$style)."</li>"; |
} |
function nowbar($style='',$nowindex_style='current'){ |
$plus=ceil($this->pagebarnum/2); |
if($this->pagebarnum-$plus+$this->nowindex>$this->totalpage)$plus=($this->pagebarnum-$this->totalpage+$this->nowindex); |
$begin=$this->nowindex-$plus+1; |
$begin=($begin>=1)?$begin:1; |
$return=''; |
for($i=$begin;$i<$begin+$this->pagebarnum;$i++) |
{ |
if($i<=$this->totalpage){ |
if($i!=$this->nowindex) |
$return.=$this->_get_text("<li>".$this->_get_link($this->_get_url($i),$i,$style)."</li>"); |
else |
$return.=$this->_get_text("<li class='active'><span class='".$nowindex_style."'>".$i."</span></li>"); |
}else{ |
break; |
} |
$return.="\n"; |
} |
unset($begin); |
return $return; |
} |
|
/** |
* 获取显示跳转按钮的代码 |
* |
* @return string |
*/ |
function select(){ |
$return="<select name=\"jumpMenu\" id=\"jumpMenu\" onchange=\"MM_jumpMenu('window',this,0)\">"; |
for($i=1;$i<=$this->totalpage;$i++) |
{ |
if($i==$this->nowindex){ |
if(strip_tags($_GET[cid],'')==""){ |
$return.="<option value=\"?" .$this->page_name . "=".$i."\" selected>".$i."</option>"; |
}else{ |
$return.="<option value=\"?cid=".strip_tags($_GET[cid],'')."&" .$this->page_name . "=".$i."\" selected>".$i."</option>"; |
} |
}else{ |
if(strip_tags($_GET[cid],'')==""){ |
$return.="<option value=\"?" .$this->page_name . "=".$i."\">".$i."</option>"; |
}else{ |
$return.="<option value=\"?cid=".strip_tags($_GET[cid],'')."&" .$this->page_name . "=".$i."\" >".$i."</option>"; |
} |
} |
} |
unset($i); |
$return.='</select>'; |
return $return; |
} |
/** |
* 获取mysql 语句中limit需要的值 |
* |
* @return string |
*/ |
function offset(){ |
return $this->offset; |
} |
/** |
* 控制分页显示风格（你可以增加相应的风格） |
* |
* @param int $mode |
* @return string |
*/ |
function show($mode=1){ |
switch ($mode) |
{ |
case '1': |
$this->first_page='首页'; |
$this->last_page='尾页'; |
$this->next_page='下一页'; |
$this->pre_page='上一页'; |
return $this->first_page()." ".$this->pre_page()." ".$this->nowbar()." ".$this->next_page()." ".$this->last_page(); |
break; |
case '2': |
$this->next_page='下一页'; |
$this->pre_page='上一页'; |
$this->first_page='首页'; |
$this->last_page='尾页'; |
return $this->first_page().$this->pre_page().'[第'.$this->nowindex.'页]'.$this->next_page().$this->last_page().'第'.$this->select().'页'; |
break; |
case '3': |
$this->next_page='下一页'; |
$this->pre_page='上一页'; |
$this->first_page='首页'; |
$this->last_page='尾页'; |
return $this->first_page().$this->pre_page().$this->next_page().$this->last_page(); |
break; |
case '4': |
$this->next_page='下一页'; |
$this->pre_page='上一页'; |
return $this->pre_page().$this->nowbar().$this->next_page(); |
break; |
case '5': |
return $this->pre_bar().$this->pre_page().$this->nowbar().$this->next_page().$this->next_bar(); |
break; |
} |
} |
|
/*----------------private function (私有方法)-----------------------------------------------------------*/ |
/** |
* 设置url头地址 |
* @param: String $url |
* @return boolean |
*/ |
function _set_url($url=""){ |
if(!empty($url)){ |
//手动设置 |
$this->url=$url.((stristr($url,'?'))?'&':'?').$this->page_name."="; |
}else{ |
//自动获取 |
if(empty($_SERVER['QUERY_STRING'])){ |
//不存在QUERY_STRING时 |
$this->url=$_SERVER['REQUEST_URI']."?".$this->page_name."="; |
}else{ |
// |
if(stristr($_SERVER['QUERY_STRING'],$this->page_name.'=')){ |
//地址存在页面参数 |
$this->url=str_replace($this->page_name.'='.$this->nowindex,'',$_SERVER['REQUEST_URI']); |
$last=$this->url[strlen($this->url)-1]; |
if($last=='?'||$last=='&'){ |
$this->url.=$this->page_name."="; |
}else{ |
$this->url.='&'.$this->page_name."="; |
} |
}else{ |
// |
$this->url=$_SERVER['REQUEST_URI'].'&'.$this->page_name.'='; |
} |
} |
} |
} |
/** |
* 设置当前页面 |
* |
*/ |
function _set_nowindex($nowindex){ |
if(empty($nowindex)){ |
//系统获取 |
if(isset($_GET[$this->page_name])){ |
$this->nowindex=intval($_GET[$this->page_name]); |
} |
}else{ |
//手动设置 |
$this->nowindex=intval($nowindex); |
} |
} |
|
/** |
* 为指定的页面返回地址值 |
* |
* @param int $pageno |
* @return string $url |
*/ |
function _get_url($pageno=1){ |
return $this->url.$pageno; |
} |
/** |
* 获取分页显示文字，比如说默认情况下_get_text('<a href="">1</a>')将返回[<a href="">1</a>] |
* |
* @param String $str |
* @return string $url |
*/ |
function _get_text($str){ |
return $this->format_left.$str.$this->format_right; |
} |
/** |
* 获取链接地址 |
*/ |
function _get_link($url,$text,$style=''){ |
$style=(empty($style))?'':'class="'.$style.'"'; |
if($this->is_ajax){ |
//如果是使用AJAX模式 |
return '<a '.$style.' href="javascript:'.$this->ajax_action_name.'(\''.$url.'\')">'.$text.'</a>'; |
}else{ |
return '<a '.$style.' href="'.$url.'">'.$text.'</a>'; |
} |
} |
/** |
* 出错处理方式 |
*/ |
function error($function,$errormsg){ |
die('Error in file <b>'.__FILE__.'</b> ,Function <b>'.$function.'()</b> :'.$errormsg); |
} |
} |
?> |
