(51CTO official C/C development engineer (1090119), please enter your ID for verification. This book is about how to use UML to model chess and card online games, and how to use Visual C programming to realize the game. The book collects the author's experience in developing online games over the years. The book is divided into 14 chapters, 1~6 chapters introduce network communication programming, which is the basis of network game design; 7~12 chapters introduce how to use UML to visually model online games; Chapter 13 introduces how to use VisualC to write a certain difficulty. Client programs; Chapter 14 describes how to use databases to manage game data. Because the main point of this book is to introduce the modeling and programming of the overall structure of online games, only the programming thinking and implementation process are given in the explanation, and the source program of the comprehensive implementation process is not provided, but the key implementation code and design are provided. class diagram. Make you have a more in-depth understanding of network game programming. This book is suitable for software engineers, network programmers, university students majoring in computer software and network, as well as programmers engaged in network game development.)