还是pb的源码，转载别人的。我认为不错，是C/S程序中的点睛之笔，解决程序自动更新问题。编译成exe文件可以独立使用或嵌入到其他平台中调用。-or the source, reproduced people. I think it is true, is C/S process of finishing touch to solve the problem automatically update procedures. Compiled exe files can be used indepe