QT中调出cmd控制台的惟一方法：QProcess::startDetached

http://www.qtcentre.org/threads/21027-QProcess-and-the-command-line?s=094a0b0920ae3d5711b0d2c23ccfde373d QProcess::startDetached("cmd.exe");//接受两个参数，第二个参数能够传入参数。具体见QT assistant code

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