update

pbl.js

@@ -1587,6 +1587,15 @@ router.route('/deleteCourseAdmin').all((req, res, next) => {
     postmysql(req, res, "delete_courseAdmin");
 });
 
+//加入分组
+router.route('/joinGroup').all((req, res, next) => {
+    postmysql(req, res, "joinGroup");
+});
+//退出分组
+router.route('/exitGroup').all((req, res, next) => {
+    postmysql(req, res, "exitGroup");
+});
+
 //查询ppt在哪页
 router.route('/selectPptPage').all((req, res, next) => {
     var json = queryString(req.url);