展示了Qt中网络类的用法，利用新浪微博的API实现了通过手机发微博关闭电脑的功能，当然，你可以修改成实现任何功能。（注意：需要有新浪微博才可使用，其中应用的公钥私钥有新浪提供，请自行申请。）-Shows network usage in Qt API to shut down your computer through the cell phone microblogging Sina microblogging, of course, you can modify into any function. (Note: Sina microblogging before use, which public and private key applications Sina provide your own application.)