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dbzhang800:你首贴中是给的这个带默认参数的定义么? (2014-09-29 10:54)
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苍井空:这个是QT5.3 例子chart里面写的 链接是: connect(openAction, SIGNAL(triggered()), this, SLOT(openFile())); 类的槽函数声明只有如下这两个: private slots:....... (2014-09-29 10:40)
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