服务器客户模式的文件下载，从客户端把文件地址传给服务器，服务器也文件传回给客户端。这个主要是实现的在一台机子上的演示。可以根据需要修改-Download the file server client mode, the file address the client to the server, the server file back to the client. This is mainly achieved demonstration on a loom. You can modify

通过TCPIP协议，把文件传到文件服务器上。(Through the TCPIP protocol, the file is passed to the file server.)