实际上是两个project--wj&cpp3,wj是服务端程序，cpp3是客户端程序 编译前先在代码内相应位置写服务器地址，在客户端写发送的数据 编译生成两个执行文件wj.exe和cpp3.exe 先运行wj.exe等待连接，然后运行cpp3 -addre-project is actually two -- wjcpp3, wj service software, cpp3 client program is compiled prior to the code to write