348 lines
7.8 KiB
Vue
348 lines
7.8 KiB
Vue
<template>
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<div class="tool-detail-page">
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<!-- 解析二维码 -->
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<n-card size="small" title="解析二维码">
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<template #header-extra>
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<n-button
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type="error"
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:disabled="!readerData.dataURL"
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:text="true"
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@click="handleClearReader"
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>清空</n-button>
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</template>
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<n-form
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class="form-no-feedback"
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label-align="left"
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label-placement="top"
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label-width="auto"
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>
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<n-form-item label="选择图片">
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<n-upload
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accept="image/jpeg,image/png"
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:default-upload="false"
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:file-list="readerData.fileList"
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:show-file-list="false"
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@change="handleSelectQrImage"
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>
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<n-upload-dragger>
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<span>点击选择图片 / 拖拽图片到此区域</span>
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</n-upload-dragger>
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</n-upload>
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</n-form-item>
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<n-form-item label="解析结果">
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<n-flex
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class="reader-result"
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:wrap="true"
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>
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<div class="reader-result__image-preview">
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<n-image
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v-show="readerData.dataURL"
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object-fit="contain"
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width="100%"
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height="100%"
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:preview-disabled="true"
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:src="readerData.dataURL"
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/>
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</div>
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<n-flex
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class="reader-result__text-list"
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:vertical="true"
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>
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<n-ol v-if="readerData.results.length > 0">
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<n-li
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v-for="(value, index) in readerData.results"
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:key="index"
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>{{ value }}</n-li>
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</n-ol>
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<span v-else>请选择二维码图片以进行解析</span>
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</n-flex>
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</n-flex>
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</n-form-item>
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</n-form>
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</n-card>
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<!-- 生成二维码 -->
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<n-card size="small" title="生成二维码">
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<template #header-extra>
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<n-flex>
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<n-button
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type="primary"
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:disabled="!writerData.content"
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:text="true"
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@click="handleGenerateQrCode"
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>生成</n-button>
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<n-button
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type="primary"
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:disabled="!writerData.dataURL"
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:text="true"
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@click="handleDownloadQrCode"
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>下载</n-button>
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<n-button
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type="error"
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:disabled="!writerData.dataURL"
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:text="true"
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@click="handleClearWriter"
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>清空</n-button>
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</n-flex>
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</template>
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<n-form
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class="form-no-feedback writer-config"
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label-align="left"
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label-placement="top"
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label-width="auto"
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>
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<n-form-item label="文本内容">
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<n-input
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v-model:value="writerData.content"
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placeholder="请输入需要生成的二维码文本内容"
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type="textarea"
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:rows="4"
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></n-input>
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</n-form-item>
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<n-form-item label="分辨率">
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<n-flex align="center">
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<n-input-number
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v-model:value="writerData.resolution"
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:min="64"
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:max="8192"
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:step="1"
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></n-input-number>
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<span>px</span>
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</n-flex>
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</n-form-item>
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<n-form-item label="颜色">
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<n-flex align="center">
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<span>前景颜色：</span>
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<n-color-picker
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v-model:value="writerData.colorForeground"
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:modes="['hex']"
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:show-alpha="true"
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:show-preview="true"
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:swatches="['#00000000', '#000000FF', '#FFFFFFFF']"
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/>
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<span>背景颜色：</span>
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<n-color-picker
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v-model:value="writerData.colorBackground"
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:modes="['hex']"
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:show-alpha="true"
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:show-preview="true"
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:swatches="['#00000000', '#000000FF', '#FFFFFFFF']"
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/>
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</n-flex>
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</n-form-item>
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<n-form-item label="二维码预览">
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<div class="writer-preview">
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<div class="writer-preview__wrapper">
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<n-image
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v-show="writerData.dataURL"
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object-fit="contain"
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width="100%"
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height="100%"
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:preview-disabled="true"
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:src="writerData.dataURL"
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/>
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</div>
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</div>
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</n-form-item>
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</n-form>
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</n-card>
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</div>
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</template>
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<script setup>
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import {
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NButton, NCard, NColorPicker, NFlex,
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NForm, NFormItem, NInput, NInputNumber,
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NImage, NLi, NOl, NUpload, NUploadDragger,
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} from 'naive-ui';
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import {
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reactive,
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} from 'vue';
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import {
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$message,
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} from '@/assets/js/naive-ui';
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import {
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readQrCodeImage, writeQrCodeImage,
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} from '@/assets/js/qr-code';
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/** 二维码解析相关数据 */
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const readerData = reactive({
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/** 图片 DataURL */
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dataURL: '',
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/** 选择文件列表 */
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fileList: [],
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/** 解析结果 */
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results: [],
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});
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/** 二维码生成相关数据 */
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const writerData = reactive({
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/** 背景颜色 */
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colorBackground: '#FFFFFF',
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/** 前景颜色 */
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colorForeground: '#000000',
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/** 文本内容 */
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content: '',
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/** 图片 DataURL */
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dataURL: '',
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/** 分辨率 */
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resolution: 256,
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});
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/** 清空信息 */
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function handleClearReader() {
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readerData.dataURL = '';
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readerData.results = [];
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}
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/** 清空信息 */
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function handleClearWriter() {
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writerData.content = '';
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writerData.dataURL = '';
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writerData.resolution = 256;
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}
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/** 处理下载二维码 */
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function handleDownloadQrCode() {
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let url = writerData.dataURL;
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let element = document.createElement('a');
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if (url) {
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element.download = '二维码.png';
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element.href = url;
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document.body.appendChild(element);
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element.click();
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document.body.removeChild(element);
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}
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}
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/** 处理生成二维码 */
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function handleGenerateQrCode() {
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return writeQrCodeImage({
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content: writerData.content,
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background: writerData.colorBackground,
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foreground: writerData.colorForeground,
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width: writerData.resolution,
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height: writerData.resolution,
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}).then((dataURL) => {
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if (dataURL) {
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$message.success('生成二维码成功');
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} else {
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$message.error('生成二维码失败');
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}
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writerData.dataURL = dataURL;
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});
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}
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/**
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* @description 处理选择图片
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* @type { import('naive-ui').UploadOnChange }
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*/
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function handleSelectQrImage(options) {
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let file = options.file.file;
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return readQrCodeImage(file).then((result) => {
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let { error, image, textList } = result;
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if (error) {
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$message.error(error);
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readerData.dataURL = '';
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readerData.results = [];
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} else {
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if (textList.length === 0) {
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$message.warning('未识别到有效的二维码');
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} else {
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$message.success('识别成功');
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}
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readerData.dataURL = image;
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readerData.results = textList;
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}
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});
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}
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</script>
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<style lang="less" scoped>
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.reader-result {
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width: 100%;
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.reader-result__image-preview {
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display: flex;
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padding: 16px;
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width: 256px;
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height: 256px;
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border: 1px solid var(--color-border);
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border-radius: var(--border-radius);
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.n-image {
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margin: auto;
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width: 100%;
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height: 100%;
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}
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}
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.reader-result__text-list {
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flex-grow: 1;
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min-width: 256px;
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width: 0;
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user-select: text;
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}
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}
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.writer-config {
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.n-color-picker {
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width: 128px;
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}
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}
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.writer-preview {
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width: 100%;
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.writer-preview__wrapper {
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display: flex;
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width: 256px;
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height: 256px;
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border: 1px solid var(--color-border);
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border-radius: var(--border-radius);
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.n-image {
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margin: auto;
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width: 100%;
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height: 100%;
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image-rendering: pixelated;
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}
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}
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}
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</style>
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