Add multiple validation rules to a text input box. We can see from the above code that we only give the input box to correspond to only one validation rule. For example, in the above, we can only validator.add (registerForm.userName, 'isNotEmpty', 'User Name cannot be empty'); However, if we want to verify whether the input box is empty and whether the length of the input box is not less than 10 bits, then we expect to pass parameters like the following:9-7 Administrators: Administrators are special users. Write a class named Admin that inherits the User class you wrote to complete Exercise 9-3 or Exercise 9-5. Add an attribute named privileges to store a list of strings such as "can add post", "can delete post", "can ban user", and so on. Write a method called show_privileges () that displays the administrator's permissions. Create an Admin instance and call this method. ?张三丰一套《太极拳》还未演练完，张无忌已然领悟神髓。高冷窃贼入室盗窃，却遭遇“被犯罪爱好者”。It is worth noting that the clockwise direction of the famous city line is called "right return" and the counterclockwise direction is "left return". In addition, it can be seen from the figure that the famous city line divides into two lines at Jinshan Station 1 in the counterclockwise direction, one to Nagoya Port and the other to continue to advance counterclockwise. The line to Nagoya Port is called "Minggang Line". Attention should be paid to the name of the line when taking the counterclockwise line.韩国MBC的一个类似电台的谈话节目，主题是看得见的radio，每周三播出，每期邀请几位嘉宾，其中包括很多当红偶像。} else if (state.getValue (). Equals ("state2")) {
