finished with exit code -1073740791 (0xC0000409)
来源:互联网 发布:团队协作工具linux 编辑:程序博客网 时间:2024/06/07 01:21
网上查找了各种资料,有的说显卡
最后发现以下几种情况都会报这个异常:
1.空指针异常
2.settext给的是int类型也会报这个异常
3.a=[]
len =len(a)
class Mythread(QThread): # 定义信号,定义参数为str类型 breakSignal = pyqtSignal(str) # def __init__(self): # super(Mythread, self).__init__() #####上面的和下面的初始化方法都可以,有的python版本不支持 def __init__(self, parent=None): super().__init__(parent) # super(Mythread, self).__init__() def run(self): for i in range(2000000): # 发出信号 self._breakSignal.emit('当前循环值为:%s' % i) # 让程序休眠 time.sleep(0.5)
breakSignal
调用的时候是_breakSignal,空指针异常
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