HarmonyOS 鸿蒙Next 类成员变量监听

import { emitter } from '@kit.BasicServicesKit';
@Entry
@Component
struct Parent {
aboutToAppear(): void {
emitter.on(‘id1’,() => {
console.log(‘监听到了静态变量的变化’)
})
}
aboutToDisappear(): void {
emitter.off(‘id1’)
}
build() {
Column() {
Button(‘监听类静态成员变量的变化’)
.onClick(() => {
getSetDemo.count += 10
})
}
}
}
class getSetDemo{
private static _count: number = 0;
private _name: number = 3;
public set name(value: number) {
console.log(‘静态变量_name变化了’)
this._name = value;
}
public get name(): number {
console.log(‘静态变量_name变化了’)
return this._name;
}
public static set count(value: number) {
emitter.emit(‘id1’)
console.log(‘静态变量_count变化了’)
getSetDemo._count = value;
}
public static get count(): number {
console.log(‘静态变量_count的值获取了’)
return getSetDemo._count;
}
}