时间限制

app/mainapp/controller/Activity.php

@@ -52,6 +52,10 @@ class Activity extends BaseController
             page_result(1, "活动不存在");
         }
 
+        if (strtotime($info->start_time) < time()) {
+            page_result(1, "活动报名时间已过");
+        }
+
         $join = ActivityJoinModel::where([
             ['user_id','=',$userid],
             ['activity_id','=',$id],