显示导航总页数
private $_pageSize = null; //每页项目数
private $_align = "right"; //导航栏
显示位置
private $_itemCount = null; //总项目数
private $_pageCount = null; //总页数
private $_currentPage = null; //当前页
private $_front = null; //前端控制器
private $_PageParaName = "page"; //
页面参数
名称
private $_firstPageString = "|<<"; //导航栏中第一页显示的字符
private $_nextPageString = ">>"; //导航栏中前一页显示的字符
private $_prevIoUsPageString = "<<"; //导航栏中后一页显示的字符
private $_lastPageString = ">>|"; //导航栏中最后一页显示的字符
private $_splitString = " | "; //页数字间的间隔符
public function __construct($itemCount,$pageSize)
{
if (!is_numeric($itemCount) || (!is_numeric($pageSize))) {
throw new Exception("Pagination Error:not Number");
}
$this->_itemCount = $itemCount;
$this->_pageSize = $pageSize;
$this->_front = Zend_Controller_Front::getInstance();
$this->_pageCount = ceil($itemCount/$pageSize); //总页数
$page = $this->_front->getRequest()->getParam($this->_PageParaName);
if (empty($page) || (!is_numeric($page))) {
//为空或不是数字,设置当前页为1
$this->_currentPage = 1;
} else {
if ($page < 1) {
$page = 1;
}
if ($page > $this->_pageCount) {
$page = $this->_pageCount;
}
$this->_currentPage = $page;
}
}
public function getCurrentPage()
{
return $this->_currentPage;
}
public function getNavigation()
{
$navigation = '<div style="text-align:'.$this->_align.';" class="pagecss">';
//当前页处于第几栏分页
$pageCote = ceil($this->_currentPage / ($this->_navigationItemCount - 1)) - 1;
//总分页栏
$pageCoteCount = ceil($this->_pageCount / ($this->_navigationItemCount - 1));
//分页栏中起始页
$pageStart = $pageCote * ($this->_navigationItemCount -1) + 1;
//分页栏中终止页
$pageEnd = $pageStart + $this->_navigationItemCount - 1;
if($this->_pageCount < $pageEnd) {
$pageEnd = $this->_pageCount;
}
$navigation .= "总共: {$this->_itemCount} 条 共 {$this->_pageCount} 页\n ";
if($pageCote > 0) { //首页导航
$navigation .= '<a href="'.$this->createHref(1)
." \"="">$this->_firstPageString ";
}
if($this->_currentPage != 1) { //上一页导航
$navigation .= '<a href="'.$this->createHref($this->_currentPage-1);
$navigation .= " \"="">$this->_previousPageString ";
}else{
$navigation .= $this->_prevIoUsPageString . '';
}
while ($pageStart <= $pageEnd) //构造数字导航区
{
if ($pageStart == $this->_currentPage) {
$navigation .= "$pageStart" . $this->_splitString;
} else {
$navigation .= '<a href="'.$this->createHref($pageStart)
." \"="">$pageStart"
. $this->_splitString;
}
$pageStart++;
}
if($this->_currentPage != $this->_pageCount) { //下一页导航
$navigation .= ' <a href="'
. $this->createHref($this->_currentPage+1)
. " \"="">$this->_nextPageString ";
}else{
$navigation .= $this->_nextPageString;
}
if ($pageCote < $pageCoteCount-1) { //未页导航
$navigation .= '<a href="'
. $this->createHref($this->_pageCount)
. " \"="">$this->_lastPageString ";
}
$navigation .= '到 <select onchange="window.location=\' '
. $this->createHref()
. '\'+this.options[this.selectedIndex].value;">';
for ($i=1;$i<=$this->_pageCount;$i++){
if ($this->getCurrentPage()==$i){
$selected = "selected";
} else {
$selected = "";
}
$navigation .= '<option value=" . $i . " '="" .="" $selected="">'
. $i
. '';
}
$navigation .= '';
$navigation .= " 页