currentPage() <= 1) {
return $this->getDisabledTextWrapper($str);
}
$url = $this->url(1);
return $this->getPageLinkWrapper($url, $str);
}
// 上一页
protected function getPreviousButton($text = "«")
{
if ($this->currentPage() <= 1) {
return $this->getDisabledTextWrapper($text, 'prev');
}
$url = $this->url(
$this->currentPage() - 1
);
return $this->getPageLinkWrapper($url, $text, 'prev');
}
// 页码
protected function getLinks()
{
if ($this->total > $this->listRows) {
if ($this->lastPage < $this->btnNumber) {
return $this->getUrlLinks($this->getUrlRange(1, $this->lastPage), false);
} else {
$min = 1;
if ($this->currentPage > $this->btnNumber / 2) $min = $this->currentPage - floor($this->btnNumber / 2);
if ($this->lastPage - $this->currentPage < $this->btnNumber / 2) $min = $this->lastPage - $this->btnNumber + 1;
$max = $min + $this->btnNumber - 1;
$ellipsis = false;
if ($this->lastPage > $max) {
$ellipsis = true;
$max = $max - 1;
}
return $this->getUrlLinks($this->getUrlRange($min, $max), $ellipsis);
}
}
}
// 下一页
protected function getNextButton($text = '»')
{
if (!$this->hasMore) {
return $this->getDisabledTextWrapper($text, 'next');
}
$url = $this->url($this->currentPage() + 1);
return $this->getPageLinkWrapper($url, $text, 'next');
}
// 末页
protected function getLastButton($text = '')
{
if (!$this->hasMore) {
return $this->getDisabledTextWrapper($text);
}
$url = $this->url($this->lastPage());
return $this->getPageLinkWrapper($url, $text);
}
// 渲染分页 $btnNumber [0 只显示上下页 | >= 3]
public function render($btnNumber = 10, $type = '')
{
if($btnNumber == 0 || $btnNumber >= 3) {
$this->btnNumber = $btnNumber;
}
//数据是否足够分页
if ($this->hasPages()) {
if(strtoupper($type) == 'A') {
return sprintf(
'',
$this->getFirstButton('首页'),
$this->getPreviousButton('上一页'),
$this->getLinks(),
$this->getNextButton('下一页')
);
} elseif (strtoupper($type) == 'B') {
return sprintf(
'',
$this->getFirstButton('首页'),
$this->getPreviousButton('上一页'),
$this->getLinks(),
$this->getNextButton('下一页'),
$this->getLastButton('末页')
);
} else {
return sprintf(
'',
$this->getPreviousButton('上一页'),
$this->getLinks(),
$this->getNextButton('下一页')
);
}
}
}
// 生成禁用按钮
protected function getDisabledTextWrapper($text, $htmlClass = '')
{
return '' . $text . '';
}
// 生成普通按钮
protected function getPageLinkWrapper($url, $page, $htmlClass = '')
{
if ($page == $this->currentPage()) {
return $this->getActivePageWrapper($page, $htmlClass);
}
return $this->getAvailablePageWrapper($url, $page, $htmlClass);
}
// 生成当前页按钮
protected function getActivePageWrapper($text, $htmlClass = '')
{
return '' . $text . '';
}
// 可点击按钮
protected function getAvailablePageWrapper($url, $page, $htmlClass = '')
{
return '' . $page . '';
}
// 批量生成页码按钮
protected function getUrlLinks(array $urls, bool $ellipsis, $htmlClass = '')
{
$html = '';
foreach ($urls as $page => $url) {
$html .= $this->getPageLinkWrapper($url, $page, $htmlClass);
}
if($ellipsis && $this->btnNumber > 0) {
$html .= $this->getDisabledTextWrapper('...', $htmlClass);
}
return $html;
}
}