宠物

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 1import { Student } from '../viewmodel/StudentModel'
 2import { Pet } from '../viewmodel/StudentModel'
 3import { Page02_ObjectLinkList } from './Page02_ObjectLinkList';
 4
 5@Entry
 6@Component
 7struct Page03_ObjectLink_02 {
 8  @State message: string = 'Hello World';
 9  @State stu: Student = new Student('1', 'Han', new Pet('001', 'Dog', 'nabla'))
10  @State school: Array<Student> =
11    [new Student('1', 'Han', new Pet('001', 'Dog', 'nabla')), new Student('2', 'Yang', new Pet('002', 'Bob', 'lion'))]
12
13  aboutToAppear(): void {
14    console.log(JSON.stringify(this.stu))
15  }
16
17  build() {
18    Column() {
19      Text(JSON.stringify(this.stu))
20
21      Button('修改学生').onClick(() => {
22        this.stu.name = 'Yang'
23      })
24
25      Button('修改宠物').onClick(() => {
26        this.stu.pet.name = 'Bobo'
27      })
28
29      ObjectPetDemo({ pet: this.stu.pet })
30    }
31    .height('100%')
32    .width('100%')
33  }
34}
35
36@Component
37export struct ObjectPetDemo {
38  @ObjectLink pet: Pet
39
40  build() {
41    Column() {
42      Text(JSON.stringify(this.pet))
43
44      Button('修改宠物').onClick(() => {
45        this.pet.name = 'Gogo'
46      })
47    }
48    .width('100%')
49    .height('100%')
50  }
51}

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