<template>
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<PageWrapper title="二维码组件使用示例">
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<div class="flex flex-wrap">
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<CollapseContainer title="基础示例" :canExpand="true" class="text-center mb-6 w-1/5 mr-6">
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<QrCode :value="qrCodeUrl" />
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</CollapseContainer>
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<CollapseContainer title="渲染成img标签示例" class="text-center mb-6 w-1/5 mr-6">
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<QrCode :value="qrCodeUrl" tag="img" />
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</CollapseContainer>
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<CollapseContainer title="配置样式示例" class="text-center mb-6 w-1/5 mr-6">
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<QrCode
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:value="qrCodeUrl"
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:options="{
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color: { dark: '#55D187' },
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}"
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/>
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</CollapseContainer>
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<CollapseContainer title="本地logo示例" class="text-center mb-6 w-1/5 mr-6">
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<QrCode :value="qrCodeUrl" :logo="LogoImg" />
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</CollapseContainer>
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<CollapseContainer title="在线logo示例" class="text-center mb-6 w-1/5 mr-6">
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<QrCode
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:value="qrCodeUrl"
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logo="https://vebn.oss-cn-beijing.aliyuncs.com/vben/logo.png"
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:options="{
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color: { dark: '#55D187' },
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}"
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/>
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</CollapseContainer>
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<CollapseContainer title="logo配置示例" class="text-center mb-6 w-1/5 mr-6">
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<QrCode
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:value="qrCodeUrl"
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:logo="{
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src: 'https://vebn.oss-cn-beijing.aliyuncs.com/vben/logo.png',
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logoSize: 0.2,
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borderSize: 0.05,
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borderRadius: 50,
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bgColor: 'blue',
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}"
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/>
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</CollapseContainer>
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<CollapseContainer title="下载示例" class="text-center mb-6 w-1/5 mr-6">
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<QrCode :value="qrCodeUrl" ref="qrRef" :logo="LogoImg" />
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<a-button class="mb-2" type="primary" @click="download"> 下载 </a-button>
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<div class="msg">(在线logo会导致图片跨域，需要下载图片需要自行解决跨域问题)</div>
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</CollapseContainer>
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<CollapseContainer title="配置大小示例" class="text-center w-1/5 mr-6">
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<QrCode :value="qrCodeUrl" :width="300" />
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</CollapseContainer>
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<CollapseContainer title="扩展绘制示例" class="text-center w-1/5 mr-6">
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<QrCode
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:value="qrCodeUrl"
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:width="200"
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:options="{ margin: 5 }"
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ref="qrDiyRef"
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:logo="LogoImg"
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@done="onQrcodeDone"
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/>
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<a-button class="mb-2" type="primary" @click="downloadDiy"> 下载 </a-button>
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<div class="msg">要进行扩展绘制则不能将tag设为img</div>
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</CollapseContainer>
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<CollapseContainer title="Antdv QRCode" class="text-center w-1/5 mr-6">
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<QRCode :value="qrCodeUrl" :size="200" />
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</CollapseContainer>
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<CollapseContainer title="Antdv QRCode 带icon" class="text-center w-1/5 mr-6">
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<QRCode :value="qrCodeUrl" :size="200" :icon="LogoImg" />
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</CollapseContainer>
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</div>
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</PageWrapper>
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</template>
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<script lang="ts" setup>
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import LogoImg from '@/assets/images/logo.png';
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import { CollapseContainer } from '@/components/Container';
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import { PageWrapper } from '@/components/Page';
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import { QrCode, QrCodeActionType } from '@/components/Qrcode';
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import { type Nullable } from '@vben/types';
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import { QRCode } from 'ant-design-vue';
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import { ref, unref } from 'vue';
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const qrCodeUrl = 'https://www.vvbin.cn';
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const qrRef = ref<Nullable<QrCodeActionType>>(null);
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const qrDiyRef = ref<Nullable<QrCodeActionType>>(null);
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function download() {
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const qrEl = unref(qrRef);
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if (!qrEl) return;
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qrEl.download('文件名');
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}
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function downloadDiy() {
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const qrEl = unref(qrDiyRef);
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if (!qrEl) return;
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qrEl.download('Qrcode');
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}
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function onQrcodeDone({ ctx }: any) {
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if (ctx instanceof CanvasRenderingContext2D) {
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// 额外绘制
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ctx.fillStyle = 'black';
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ctx.font = '16px "微软雅黑"';
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ctx.textBaseline = 'bottom';
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ctx.textAlign = 'center';
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ctx.fillText('你帅你先扫', 100, 195, 200);
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}
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}
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</script>
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