public function listAction($col_id)
{
//当前页码
$page_id = (int) $this->request->getQuery('page');
$page_id = $page_id < 1 ? 1 : $page_id;
//专业学科
$category = (int) $this->request->getQuery('category');
//专业类别
$parent = (int) $this->request->getQuery('parent');
//关键字
$keyword = preg_replace('/[^\\da-z\\x{4e00}-\\x{9fa5}]/iu', '', mb_substr($this->request->getQuery('keyword'), 0, 10, 'utf-8'));
//关键字长度小于10，并且只能是字符数字中文
//每页显示条数
$limit = 20;
//省市区县
$major = new \Major();
$categorys = $major->getCategory();
//学科
$major_parent = $major->getParent($category);
//类别
//学校
$college = (new \College())->getDetail($col_id);
//查询数据
$list = (new \Major())->getList($col_id, $page_id, $limit, $category, $parent, $keyword);
//数据
$page_html = $this->pageHtml($list['page']);
//分页html
//加载js
$this->assets->addJs('backend/mt-js/major-list.js');
$this->view->setLayout('college');
$this->view->setVars(['col_id' => $col_id, 'college' => $college, 'category' => $category, 'parent' => $parent, 'keyword' => $keyword, 'categorys' => $categorys, 'major_parent' => $major_parent, 'list' => $list['list'], 'page_html' => $page_html]);
}