29 lines
773 B
Plaintext
29 lines
773 B
Plaintext
class Counter {
|
|
value: Number
|
|
lastEvent: String
|
|
|
|
function activate(self: Counter, event: Event): Unit {
|
|
self.lastEvent = event.kind
|
|
self.change()
|
|
}
|
|
|
|
function change(self: Counter): Unit {
|
|
self.value = 10
|
|
}
|
|
}
|
|
|
|
class DemoCounter: Counter {
|
|
function change(self: DemoCounter): Unit {
|
|
self.value = 12
|
|
}
|
|
}
|
|
|
|
model = DemoCounter(9, "等待点击")
|
|
first = ui.textOf(model, "value", 2)
|
|
second = ui.textOf(model, "value", 2)
|
|
eventName = ui.textOf(model, "lastEvent")
|
|
button = Button("调用继承方法，再分派到覆盖方法")
|
|
button.onClick(model.activate)
|
|
page = Page()
|
|
page.render(Column(24, 16, TextBlock("Endor class：继承、self 与动态方法分派", 2), Row(0, 16, first, second), button, eventName))
|