def QObject对象名称和属性(self):
obj0 = QObject()
obj1 = QObject()
obj2 = QObject()
obj3 = QObject()
obj4 = QObject()
obj5 = QObject()
obj2.setObjectName("2")
obj3.setObjectName("3")
print("obj0", obj0)
print("obj1", obj1)
print("obj2", obj2)
print("obj3", obj3)
print("obj4", obj4)
print("obj5", obj5)
obj1.setParent(obj0)
obj2.setParent(obj0)
obj3.setParent(obj1)
obj4.setParent(obj2)
obj5.setParent(obj2)
print(obj1.parent())
print(obj2.parent())
print(obj0.children())
print(obj0.findChildren(QObject, None, Qt.FindChildrenRecursively))
print(obj0.findChild(QObject, "2", Qt.FindChildrenRecursively))
#********************内存管理***************************开始
obj1 = QObject()
self.obj1 = obj1
obj2 = QObject()
obj2.setParent(obj1)
# 监听obj2对象被释放
obj2.destroyed.connect(lambda _: print("obj2对象被释放了"))
del self.obj1
def eval(self, javaScript):
obj = QObject(self)
obj.setObjectName('evalResult')
obj.setProperty('result', self.webView.eval(javaScript))
return obj
def eval(self, javaScript):
obj = QObject(self)
obj.setObjectName('evalResult')
obj.setProperty('result', self.webView.eval(javaScript))
return obj
def eval(self, javaScript):
obj = QObject(self)
obj.setObjectName('evalResult')
obj.setProperty('result', self.webView.eval(javaScript))
print(dir(self.onstatechange))
return obj
