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How to Launch Web Browser/zh
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如何启动Web浏览器
类 "QDesktopServices":http://doc.qt.io/qt-5.0/qtgui/qdesktopservices.html 提供了一些常见的桌面服务，例如在默认的Web浏览器中打开一个URL访问。
请不要忘记包含以下头文件：
#include <QDesktopServices>
#include <QUrl>
QDesktopServices::openUrl(QUrl("http://developer.qt.nokia.com"));