返回页面router.back如何传递参数

import { router } from '@kit.ArkUI';

router.back({

  url: 'pages/Home',

  params: {

    info: '来自Home页'

  }

});
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import { router } from '@kit.ArkUI';

router.back({

  url: 'myPage', //myPage为返回的命名路由页面别名

  params: {

    info: '来自Home页'

  }

});
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import { router } from '@kit.ArkUI';

class InfoTmp {
  age: number = 0
}

class RouTmp {
  id: object = () => {
  }
  info: InfoTmp = new InfoTmp()
}

const params: RouTmp = router.getParams() as RouTmp; // 获取传递过来的参数对象
const id: object = params.id // 获取id属性的值
const age: number = params.info.age // 获取age属性的值
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