<必修php

/*

1.當前翻頁的Url問題(辦法)

2.獲取翻頁地位的名稱

3.獲取當前翻頁地位的值

4.設置每頁所顯示的數目

5.獲取總記載數

6.如果顯示數字索引時,設置所顯示的索引規模數量

7.設置首頁的稱號

8.設置上一頁的稱號

9.設置下一頁的稱號

10.設置尾頁的稱號

11.設置當前翻頁地位的樣式

*/

class Page

{

private $CurrentPageValue;//獲取當前翻頁地位的值

private $AllListCount;//獲取總記載數

private $EachPageCount='10';//設置每頁所顯示的數目

private $PageName='page';//獲取翻頁地位的名稱

private $IndexShowCount='5';//如果顯示數字索引時,設置所顯示的索引規模數量

private $HomeName='首頁';//設置首頁的稱號

private $PrevName='上一頁';//設置上一頁的稱號

private $NextName='下一頁';//設置下一頁的稱號

private $EndName='末頁';//設置尾頁的稱號

private $CurrentSeatClass='current';//設置當前翻頁地位的樣式

private $CurrentUrl;//獲取以后的Url

private $AllPageCount;//獲取總頁數

//依據必要重新給自定義屬性賦值

public function __construct($Config=array())

{

if(!empty($Config['CurrentPageValue'])){

$Config['CurrentPageValue']=abs($Config['CurrentPageValue']);

$this->CurrentPageValue=$Config['CurrentPageValue'];

}else{

$this->CurrentPageValue=1;

}

if(!empty($Config['EachPageCount'])){$this->EachPageCount=$Config['EachPageCount'];}

if(!empty($Config['AllListCount'])){$this->AllListCount=$Config['AllListCount'];}

if(!empty($Config['PageName'])){$this->PageName=$Config['PageName'];}

if(!empty($Config['IndexShowCount'])){$this->IndexShowCount=$Config['IndexShowCount'];}

if(!empty($Config['HomeName'])){$this->HomeName=$Config['HomeName'];}

if(!empty($Config['PrevName'])){$this->PrevName=$Config['PrevName'];}

if(!empty($Config['NextName'])){$this->NextName=$Config['NextName'];}

if(!empty($Config['EndName'])){$this->EndName=$Config['EndName'];}

if(!empty($Config['CurrentSeatClass'])){$this->CurrentSeatClass=$Config['CurrentSeatClass'];}

$this->ResetUrl();//從新設置當前的Url

$this->GetAllPageCount();

}

//外部挪用的公共入口

public function CallPage($ShowType='H,P,L,N,E')

{

$Str='';

if(!empty($ShowType)&&!empty($this->AllListCount))

{

$ShowTypeArr=explode(',',$ShowType);

if(in_array('H',$ShowTypeArr)){

$Str.=$this->SetHomePage();

}

if(in_array('P',$ShowTypeArr)){

$Str.=$this->SetPrevName();

}

if(in_array('L',$ShowTypeArr)){

$Str.=$this->SetLink();

}

if(in_array('N',$ShowTypeArr)){

$Str.=$this->SetNextName();

}

if(in_array('E',$ShowTypeArr)){

$Str.=$this->GetEndName();

}

}

return $Str;

}

public function BackLimit()

{

return ($this->CurrentPageValue-1)*$this->EachPageCount.','.$this->EachPageCount;

}

//獲取總頁數

public function GetAllPageCount()

{

$AllPage=ceil($this->AllListCount/$this->EachPageCount);

$this->AllPageCount=empty($AllPage)必修1:$AllPage;

return $this->AllPageCount;

}

//從新設置當前的Url

private function ResetUrl()

{

//print_r($_SERVER);

$Url=$_SERVER['REQUEST_SCHEME'].'://'.$_SERVER['HTTP_HOST'];

$CurrentUrl=$Url.$_SERVER['REQUEST_URI'];

$UrlArr=parse_url($CurrentUrl);

$ParamArr=array();

if(!empty($UrlArr['query']))

{

parse_str($UrlArr['query'],$ParamArr);

unset($ParamArr[$this->PageName]);

}

$ParamStr=http_build_query($ParamArr);

$Path=empty($UrlArr['path'])必修'':$UrlArr['path'];

$Mark=empty($ParamStr)必修'':$ParamStr.'&';

$NewUrlStr=$Url.$Path.'必修'.$Mark.$this->PageName.'=';

$this->CurrentUrl=$NewUrlStr;

}

//設置首頁

private function SetHomePage()

{

$Str='<a href="'.$this->CurrentUrl.'1">'.$this->HomeName.'</a>';

return $Str;

}

//設置上一頁

private function SetPrevName()

{

$CurrentPage=1;

if($this->CurrentPageValue>1)

{

$CurrentPage=$this->CurrentPageValue-1;

}

$Str='<a href="'.$this->CurrentUrl.$CurrentPage.'">'.$this->PrevName.'</a>';

return $Str;

}

//設置下一頁

private function SetNextName()

{

$CurrentPage=$this->AllPageCount;

if($this->CurrentPageValue<$CurrentPage)

{

$CurrentPage=$this->CurrentPageValue+1;

}

if(empty($CurrentPage))

{

$CurrentPage=1;

}

$Str='<a href="'.$this->CurrentUrl.$CurrentPage.'">'.$this->NextName.'</a>';

return $Str;

}

//設置末頁

private function GetEndName()

{

$CurrentPage=$this->AllPageCount;

if(empty($CurrentPage))

{

$CurrentPage=1;

}

$Str='<a href="'.$this->CurrentUrl.$CurrentPage.'">'.$this->EndName.'</a>';

return $Str;

}

//設置索引銜接

private function SetLink()

{

$Excursion=floor($this->IndexShowCount/2);

$Min=1;

$Max=$this->IndexShowCount;

if($this->CurrentPageValue>$Excursion)

{

$Min=$this->CurrentPageValue-$Excursion;

$Max=$this->CurrentPageValue+$Excursion;

}

if($this->CurrentPageValue+$Excursion>$this->AllPageCount)

{

$Min=$this->AllPageCount-$this->IndexShowCount+1;

if($this->AllPageCount<$this->IndexShowCount)

{

$Min=1;

}

$Max=$this->AllPageCount;

}

$Str='';

for($i=$Min;$i<=$Max;$i++)

{

$Class='';

if(!empty($this->CurrentSeatClass) && $this->CurrentPageValue==$i)

{

$Class=' class="'.$this->CurrentSeatClass.'"';

}

$Str.='<a href="'.$this->CurrentUrl.$i.'"'.$Class.'>'.$i.'</a>';

}

return $Str;

}

}

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