(Tourists, members and administrators are two kinds of characters. Three characters have more than ten functions. The main functions of tourists in the system are to read member information, and the main functions of online membership are to add friends and share images. The main functions of the administrator in the system are: to manage the basic information of the system, and to reply to user messages. If there is something that can't be solved, please come to our Love Open Source to have a look. There must be materials or software, tutorials, patches, source code, etc. you need)