46 lines
868 B
Vue
46 lines
868 B
Vue
<docs>
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---
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order: 6
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title:
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zh-CN: 下载二维码
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en-US: Download QRCode
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---
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## zh-CN
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下载二维码的简单实现。
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## en-US
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A way to download QRCode.
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</docs>
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<template>
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<a-qrcode ref="qrcodeCanvasRef" value="http://www.antv.com" />
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<br />
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<br />
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<a-button type="primary" @click="dowloadChange">Downlaod</a-button>
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</template>
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<script lang="ts">
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import { defineComponent, ref } from 'vue';
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export default defineComponent({
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setup() {
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const qrcodeCanvasRef = ref();
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const dowloadChange = async () => {
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const url = await qrcodeCanvasRef.value.toDataURL();
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const a = document.createElement('a');
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a.download = 'QRCode.png';
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a.href = url;
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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};
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return {
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dowloadChange,
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qrcodeCanvasRef,
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};
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},
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});
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</script>
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