修改查询作业功能

pbl.js

@@ -793,7 +793,7 @@ router.route('/insertSWork').all((req, res, next) => {
 //查询学生作业
 router.route('/selectSWork').all((req, res, next) => {
     var json = queryString(req.url);
-    getmysql(req, res, "selectSWork", json['uid'], json['cid'], json['p'], json['t']);
+    getmysql(req, res, "selectSWork", json['uid'], json['cid'], json['p']);
 });