Flex制作的视频聊天，文字聊天，传送文件等功能-Flex production of video chat, text chat, transfer files and other functions

基于JAVA，FLEX的在线聊天程序，可直接运行，逻辑较为简单，可用户初学者入门-Java, the Flex-based online chat program, can run, the logic is relatively simple, user entry for beginners