Class Diagram

BmobObject

-objectId：String

Serializable

1

Activity

+oncreat（Bundle bundle）：void

_layout

-et：EditText-btn：Button

+onclick

HD

-hdId：int-hdLeader：String-hdTime：Date-linkMan：String-detail：String-qrCode：String

+addActivity(Activity activity)：boolean+deleteActivity(int actID)：boolean+queryActivity （）：List+editActivity(Activity act)：boolean

ActivityType

-typeId：int-typeName ：String

+getType(int typeId)：String

0...*

Student

-stuId：int-stuName：String-passWord：String-school：String-age：int-sex：String

Contrants

+App_Id：String

图1-3 UI类图

Club

-clubId：int-clubName：String-passWord：String-linkNumber：String-leader：String-startTime：Date

_activity

-util：uti-club：Club-hd：HD-stu：Student

+register(Student stu)：boolen+login(Student stu)：boolean+editStudent(Student stu)：boolean+publicPersonalActivity(PersonalActivity activity)：boolean+interestOther(Object obj)：boolean+collectActivity(Activity activity)：boolean+signActivity(Activity activity)：boolean+judgeActivity(String text)：boolean+queryActivities()：List+queryActivitiesWithType(ActivityType type)：List+uploadImg(Byte[] img)：boolean