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mysql-pyqt如何判QProcess.start()是否执行成功

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Release： 2016-06-06 09:42:05
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mysqlpyqtpython数据库

我在写一个程序，获取了用户输入的数据库用户名和密码，并用QProcess.start()执行：
p = QtCore.QProcess(self)
p.setProcessChannelMode(QtCore.QProcess.ForwardedChannels)
p.start("mysql",["-uroot","-pyourpassword"])
那我该怎么通过返回值或其他方法判断密码是否正确？

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mysql pyqt python 数据库
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