小编Oli*_*ier的帖子

我正在解决以下问题：我使用 Vue 3 和 Typescript 创建了一个 QRCode 组件，代码如下：

<template>
  <canvas ref="qrcodeVue"> </canvas>
</template>

<script lang="ts">
import QRCode from "qrcode";
import { Vue, Options } from "vue-class-component";
import { ref } from "vue";

@Options({
  props: {
    value: {
      type: String,
      required: true
    },
    size: {
      type: [Number, String],
      validator: (s: [number | string]) => isNaN(Number(s)) !== true
    },
    level: {
      type: String,
      validator: (l: string) => ["L", "Q", "M", "H"].indexOf(l) > -1
    },
    background: String,
    foreground: String
  }
})
export default …