电子白板的客户端源码，包含客户端界面，实现C/S结构，电子白板能够实现画图数据、聊天数据、图片进行多客户端之间的传输。还可以打开PDF文档等。-Whiteboard client source code, including client interface, the C/S structure, the whiteboard drawing data, chat data transmission between the multi-client pictures. You can also