/**
* 构造方法
*
* @param int $total 总数
* @param int $page 第几页
* @param int $count 每页多少项
* @param int $last_page 上一次请页的页面
* @param int $next_since_id 当前请求最后一个ID
* @param int $prev_since_id 当前请求第一个ID
*/
public function __construct($total, $count = 20, $page = false, $last_page = false, $next_since_id = false, $prev_since_id = false)
{
$this->total = $total;
$this->page = $page;
$this->last_page = $last_page;
$this->count = $count;
$this->next_since_id = $next_since_id;
$this->prev_since_id = $prev_since_id;
if ($this->page === false) {
$this->page = Arg::get('p', FILTER_VALIDATE_INT, ['min_range' => 1]) ?: 1;
}
if ($this->next_since_id === false) {
$this->next_since_id = Arg::get('next_since_id', FILTER_VALIDATE_INT) ?: 0;
}
if ($this->prev_since_id === false) {
$this->next_since_id = Arg::get('prev_since_id', FILTER_VALIDATE_INT) ?: 0;
}
if (!$this->last_page === false) {
$this->last_page = Arg::get('last_page', FILTER_VALIDATE_INT, ['min_range' => 1]) ?: 0;
}
$this->page_total = ceil($this->total / $this->count);
}