擅长:python、mysql、java
<p>因为您希望单步是25/100=0.25,所以您应该这样做:</p>
<pre><code>horizontalSlider.setRange(0,100)
horizontalSlider.setSingleStep(1)
horizontalSlider.valueChanged.connect(self.valueHandler)
def valueHandler(self,value):
scaledValue = float(value)/4 #type of "value" is int so you need to convert it to float in order to get float type for "scaledValue"
print scaledValue , type(scaledValue)
</code></pre>