Implementation of the method of automatically obtaining data when accessing a page by Vue3

# Backend code--Use pywebviewclass Api:

    def greet(self):
        greet_text= 'pywebview and vue3'
        response = {}
        response['text'] = greet_text
        return response



if __name__ == '__main__':

    # Front-end communication test    api = Api()
    window = webview.create_window('Vue app in pywebview', './static/', js_api=api)
    (debug=True)

<template>
  <div>{{ data }}</div>
</template>

<script>
export default {
  data() {
    return {
      data: null
    };
  },
  created() {
    ();
  },
  methods: {
    fetchData() {
      // Use pywebview front and backend communication      ().then(response=> {
        = response['text'];
      });
    }
  }
};
</script>

<template>
  <div>{{ data }}</div>
</template>

<script>
export default {
  data() {
    return {
      data: null,
      timer: null
    };
  },
  created() {
    ();
     = setInterval(, 5000); // Get data every 5 seconds  },
  methods: {
    fetchData() {
      // Use pywebview front and backend communication      ().then(response=> {
        = response['text'];
      });
    },
    cancelAutoUpdate() {
      clearInterval();
    }
  },
  beforeDestroy() {
    ();
  }
};
</script>