Router传递Object对象解读

export default class Student { 
  constructor(name:string) { 
    this.name = name 
  } 
  name:string 
  getName() { 
    return this.name; 
  } 
} 
 
@Entry 
@Component 
struct Index { 
  build() { 
    Column() { 
      Button() 
        .onClick(() => { 
          let stu = new Student('OpenHarmony') 
          router.pushUrl({ url: 'pages/other', params: stu }) 
        }) 
    } 
  } 
} 
 
@Entry 
@Component 
struct Other { 
  @State message: string = 'Other' 
 
  onPageShow() { 
    let stu = router.getParams() as Student 
    console.info(`student prop name = ${stu.name}`) 
    try { 
      console.info(`student func getName = ${stu.getName()}`) 
    } catch (e) { 
      console.info(`student getName err = ${JSON.stringify(e)}`) 
    } 
  } 
 
  build() { 
    Row() { 
      Column() { 
        Text(this.message) 
          .fontSize(50) 
          .fontWeight(FontWeight.Bold) 
      } 
      .width('100%') 
    } 
    .height('100%') 
  } 
}