用Qt实现的聊天气泡，采用QScrollArea实现，可显示文本、图片。可在https://blog.csdn.net/qq_22302267/article/details/102524747查看效果

Based on ava, C/S architecture is adopted to realize network chat. Can achieve private chat, group chat, file transfer, server side can monitor user behavior, view chat records, kick people。