五分页类

五分页类

infoCount = $infoCount; $this->items = $items; $this->pageNo = $pageNo; $this->pageCount = $this->GetPageCount(); $this->AdjustPageNo(); $this->startPos = $this->GetStartPos(); } function AdjustPageNo() { if($this->pageNo == || $this->pageNo < 1) $this->pageNo = 1; if ($this->pageNo > $this->pageCount) $this->pageNo = $this->pageCount; } /** * 下一页 */ function GoToNextPage() { $nextPageNo = $this->pageNo + 1; if ($nextPageNo > $this->pageCount) { $this->nextPageNo = $this->pageCount; return false; } $this->nextPageNo = $nextPageNo; return true; } /** * 上一页 */ function GotoPrevPage() { $prevPageNo = $this->pageNo - 1; if ($prevPageNo < 1) { $this->prevPageNo = 1; return false; } $this->prevPageNo = $prevPageNo; return true; } function GetPageCount() { return ceil($this->infoCount / $this->items); } function GetStartPos() { return ($this->pageNo - 1) * $this->items; } } ?>