Task: Register the account and upload user information into the useraccount database table

[LinZhihaozlin22]

There is a way for a user to register account

[junlongye]

Task test:
1.at signin page, click on the "sign up now"button, a new page with sigup boxes appear.
2.User_name, User_email, User_password,confirm password , these field all need to fill in.
if not, "sign up" cannot continued.
3. username that already register cannot register again.
4. email that already register cannot register again.
5. password and confirm password is different cannot continued to register.
6. Upload user account information(User_name, User_email, User_password) to the useraccount database table
7. Check if the useraccount database table contains the correct account information(User_name, User_email, User_password, User_id)