分頁類－尾部頁碼導航

分頁類－尾部頁碼導航

/**
 * 產生Comment的尾部分頁導航
 * @author 李俊
 *
*/
class cmtTail{
 private $currentPage;
 private $🎜> private $currentPage;
 private $🎜> 🎜> /**
 * 產生頁碼導覽--總控函數
 * @param string $currentPage 目前頁碼
 * @param string $totalPage 總頁數
 * @throws Exception 頁碼小於1將會拋出例外
 * @return string
*/
 function __do($currentPage, $totalPage) {
 $this->currentPage=$currentPage;
 $this->totalPage=$totalPage=$currentPage;
 $this->totalPage=$totalPage; if($this->totalPage if($this->currentPage==1){//當前頁是第一頁
 $str= '上一頁'.$this->currentTag();
 for ($i = 2; $i totalPage; $i++) {
 $str=$str.$this- >commonTag($i);
 }
 $str=$str.$this->next();
 }elseif ($this->currentPage==$this->totalPage){//已跳至最後一頁
 $str=$this->up();
 for ($i = 1; $i totalPage-1; $i++) {
 $ str=$str.$this->commonTag($i);
 }
 $str=$str.$this->currentTag();
 $str=$str.$this->next ();
 }else{
 $str=$this->up();
 for($i=1; $icurrentPage; $i++){
 $ str=$str.$this->commonTag($i);
 }
 $str=$str.$this->currentTag();//產生目前頁標籤
 for ($i = $this->currentPage+1; $i totalPage; $i++) {
 $str=$str.$this->commonTag($i);
 }
 $str =$str.$this->next();
 }
 }elseif ($this->totalPage>10){//頁碼大於10
 if($this->currentPage==1) {//8+2
 $str='上一頁'.$this->currentTag();
 for ($i = 2; $i  $ str=$str.$this->commonTag($i);
 }
 $str=$str.'...';//新增省略號
 $str=$str.$this- >commonTag($this->totalPage-1);
 $str=$str.$this->commonTag($this->totalPage);
 }elseif($this->currentPage==$this- >totalPage) {//目前為最後一頁
 $str=$this->up();
 $str=$str.$this->commonTag(1);
 $str=$ str.'...';//新增省略號
 for ($i = $this->totalPage-6; $i totalPage; $i++) {
 $str=$str. $this->commonTag($i);
 }
 $str=$str.$this->currentTag();
 $str=$str.$this->next();
 }else {
 if ($this->currentPage $str=$this->up();
 for ($i = 1; $i currentPage ; $i++) {
 $str=$str.$this->commonTag($i);
 }
 $str=$str.$this->currentTag();
 for ( $i = $this->currentPage+1; $i  $str=$str.$this->commonTag($i);
 }
 $str= $str.'...';//新增省略號
 $str=$str.$this->commonTag($this->totalPage);
 $str=$str.$this->next( );
 }else {
 if ($this->currentPage>=$this->totalPage-4) {
 $str=$this->up();
 $str=$ str.$this->commonTag(1);
 $str=$str.'...';//新增省略號
 for ($i = $this->totalPage-6; $i currentPage; $i++) {
 $str=$str.$this->commonTag($i);
 }
 $str=$str.$this->currentTag();
 for ($i = $this->currentPage+1; $i totalPage; $i++) {
 $str=$str.$this->commonTag($i);
 }
 $str=$str.$this->next();
 }elseif ($this->currentPagetotalPage-4){//1+5+1
 $str=$this->up();
 $str=$str.$this->commonTag(1);
 $str=$str.'...';//新增省略號
 $str=$str.$this->commonTag($this->currentPage-2);
 $str=$str.$this->commonTag($this->currentPage-1);
 $ str=$str.$this->currentTag();
 $str=$str.$this->commonTag($this->currentPage+1);
 $str=$str.$this-> commonTag($this->currentPage+2);
 $str=$str.'...';//新增省略號
 $str=$str.$this->commonTag($this->totalPage );
 $str=$str.$this->next();
 }
 };
 }
 }elseif ($this->totalPage throw new Exception("頁不可能小於1");
 }
 return $str;
 }
 /**
 * 一般標籤
 * @param int $param 頁碼
 * @return string
*/
 function commonTag($param) {
 return ''.$param.' a>' ;
 }
 return '下一頁';
 }
 / * *
 * 產生上一頁標籤
 * @param int $param 上一頁頁碼
 * @return string
*/
 function up() {
 if ($this->currentPage==1){
 return '上頁';
 }else{
 return ' currentPage-1).'">上一頁
 }
 }
 /**
 * 實例化cmtTail,
 * 功能：產生Comment的尾部分頁導航
 * @param string $currentPage 目前頁碼
 * @param string $totalPage 總頁數
 * @return string 回傳html標籤字串
*/
靜態函數GO($currentPage, $totalPage) {
 $p=new cmtTail();
 return $p-> ;__do($currentPage, $totalPage);
 }
}