Yuxian: CSDN content partner, CSDN rising star mentor, rising star creator in the full stack field, 51CTO (Top celebrity + expert blogger), github open source enthusiast (go-zero source code secondary development, game back-end architecture https: //github.com/Peakchen)
Develop a Java-based online chat system, which includes server and client. The system should support multiple users online at the same time and provide functions such as one-to-one chat, group chat, file transfer, and user status display.
Multi-thread implementation:
The server uses multi-threading technology to manage multiple client requests at the same time.
Each client's connection should be handled in a separate thread.
Chat function:
Implement one-to-one chat function between users.
Users can switch chat partners at any time
(Optional) Provide group chat function, allowing multiple users to join the same chat group.
data storage
lUser registration and login functions.
l Provides user password modification and retrieval functions.
l Chat history viewing function, you can choose to view the chat history with a specific person
l Chat history search function, search chat history with someone according to keywords
Allows file transfer between users.
Principle explanation:
- The server uses
ServerSocketto listen to the specified port and wait for the client to connect. - The client connects to the server through
Socket. - The server maintains a client list, and whenever a new client connects, a new thread is created on the server (
ClientHandl