/**
* 这是一个可以同时显示多页的分页显示方式.兼容前端框架Bootstrap的样式.
*/
public function display()
{
$first = $this->getFirst();
$end = $this->getEnd();
$current = $this->getCurrent();
if ($first >= $end) {
return;
}
$prev = $current - 1;
$prev_page_url = URL::append([$this->getKey() => $prev]);
$next = $current + 1;
$next_page_url = URL::append([$this->getKey() => $next]);
echo "<nav>";
echo "<ul class=\"pagination\">";
if ($first < $current) {
echo "<li><a href=\"{$prev_page_url}\" aria-label=\"Previous\"><span aria-hidden=\"true\">«</span></a></li>";
}
if ($current - 2 >= $first) {
$first_page_url = URL::append([$this->getKey() => $first]);
echo "<li><a href=\"{$first_page_url}\">{$first}</a></li>";
}
if ($current - 2 > $first) {
echo "<li><a>...</a></li>";
}
if ($current - 1 >= $first) {
echo "<li><a href=\"{$prev_page_url}\">" . ($current - 1) . "</a></li>";
}
echo "<li class='active'><a>{$current}</a></li>";
if ($current + 1 <= $end) {
echo "<li><a href=\"{$next_page_url}\">" . ($current + 1) . "</a></li>";
}
if ($current == $first && $current + 2 <= $end) {
$next2_page_url = URL::append([$this->getKey() => $next + 1]);
echo "<li><a href=\"{$next2_page_url}\">" . ($current + 2) . "</a></li>";
if ($current + 3 < $end) {
echo "<li><a>...</a></li>";
}
} elseif ($current + 2 < $end) {
echo "<li><a>...</a></li>";
}
if ($current + 2 < $end) {
$end_page_url = URL::append([$this->getKey() => $end]);
echo "<li><a href=\"{$end_page_url}\">{$end}</a></li>";
}
if ($end > $current) {
echo "<li><a href=\"{$next_page_url}\" aria-label=\"Next\"><span aria-hidden=\"true\">»</span></a></li>";
}
echo "</ul>";
echo "</nav>";
}
/**
* 这是默认的最普通的显示方式,只有上一页,下一页的文字.如果要其它显示方式,请建子类并重写此方法.
*/
public function display()
{
$first = $this->getFirst();
$end = $this->getEnd();
$current = $this->getCurrent();
echo "<nav>";
echo "<ul class='pager'>";
if ($first < $current) {
$prev = $current - 1;
$prev_page_url = URL::append([$this->getKey() => $prev]);
echo "<li><a href=\"{$prev_page_url}\">上一页</a></li>";
}
if ($end > $current) {
$next = $current + 1;
$next_page_url = URL::append([$this->getKey() => $next]);
echo "<li><a href=\"{$next_page_url}\">下一页</a></li>";
}
echo "</ul>";
echo "</nav>";
}
