feat:车辆二维码、电池二维码、头盔二维码批量下载 (完成)
This commit is contained in:
5g0Wp7Zy
parent
f184dc4a34
commit
b4590b35f5
@ -77,4 +77,95 @@ export function isNullOrEmpty(value){
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return true;
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else
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return false;
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}
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/**
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* 批量下载图片（兼容IE10+及现代浏览器）
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* @param {Array} imgList - 图片数据数组，支持base64或URL
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*/
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export function batchDownloadQRcodes(imgList) {
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// 检查是否为 IE 浏览器，通过判断是否存在 msSaveBlob 方法
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const isIE = window.navigator.msSaveBlob!== undefined;
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// 下载单张图片的函数
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const downloadSingleImage = (imgObj) => {
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const { base64QrCode, code } = imgObj;
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// 拼接文件名，使用 bikeCode 作为主要标识
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const fileName = `${code}.png`;
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if (base64QrCode.startsWith('data:')) {
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// 处理 Base64 格式的图片数据
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const [mime, data] = base64QrCode.split(';base64,');
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const mimeType = mime.replace('data:', '');
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const byteCharacters = atob(data);
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const byteNumbers = new Array(byteCharacters.length);
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for (let i = 0; i < byteCharacters.length; i++) {
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byteNumbers[i] = byteCharacters.charCodeAt(i);
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}
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const byteArray = new Uint8Array(byteNumbers);
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const blob = new Blob([byteArray], { type: mimeType });
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if (isIE) {
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// IE 浏览器专用的下载方法
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window.navigator.msSaveBlob(blob, fileName);
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} else {
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// 现代浏览器的下载方式，创建 blob URL 并触发下载
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const url = URL.createObjectURL(blob);
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triggerDownload(url, fileName);
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URL.revokeObjectURL(url);
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}
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} else {
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// 处理图片为普通 URL 格式的情况（跨域可能受限，需服务端配合设置跨域头）
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if (isIE) {
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// IE 下使用 XMLHttpRequest 下载
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const xhr = new XMLHttpRequest();
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xhr.open('GET', base64QrCode, true);
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xhr.responseType = 'blob';
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xhr.onload = function () {
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if (xhr.status === 200) {
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window.navigator.msSaveBlob(xhr.response, fileName);
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}
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};
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xhr.send();
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} else {
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// 现代浏览器使用 fetch 下载
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fetch(base64QrCode)
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.then(res => res.blob())
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.then(blob => {
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const url = URL.createObjectURL(blob);
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triggerDownload(url, fileName);
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URL.revokeObjectURL(url);
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})
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.catch(err => console.error('下载失败:', err));
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}
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}
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};
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// 创建下载链接并触发点击的函数
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const triggerDownload = (url, fileName) => {
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const link = document.createElement('a');
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link.href = url;
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link.download = fileName;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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};
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// 按顺序下载图片，避免浏览器并发限制
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const downloadNext = (index) => {
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if (index >= imgList.length) return;
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downloadSingleImage(imgList[index], index);
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// 间隔 500ms 下载下一个，可根据实际情况调整间隔时间
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setTimeout(() => downloadNext(index + 1), 500);
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};
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downloadNext(0);
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}
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@ -107,9 +107,11 @@
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</a-dropdown>
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</div>
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</a-layout-header>
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<a-layout-content :style="{ margin: '24px 16px', padding: '24px', background: '#fff', minHeight: '280px' }">
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<a-layout-content class="custom-layout-content">
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<!-- 二级路由出口(home等等，通常放在main主区域) -->
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<router-view />
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<div class="content-wrapper">
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<router-view />
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</div>
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</a-layout-content>
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</a-layout>
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</a-layout>
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@ -273,4 +275,16 @@ const onOperationClick = (e) => {
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opacity: 1;
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}
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}
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.custom-layout-content{
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height: calc(100vh - 64px);
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overflow: hidden;
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}
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.custom-layout-content .content-wrapper {
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height: 100%;
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overflow-y: auto;
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padding: 24px;
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box-sizing: border-box;
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}
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</style>
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@ -104,6 +104,17 @@
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</template>
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<span>绑定</span>
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</a-button>
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<!-- 批量下载 -->
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<a-button
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type="primary"
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class="ele-btn-icon"
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@click="batchDownload"
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>
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<template #icon>
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<DownloadOutlined />
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</template>
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<span>批量下载</span>
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</a-button>
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</a-space>
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<!-- 表格 -->
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<a-table
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@ -157,12 +168,12 @@
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</template>
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<script setup>
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import { ref, onMounted, reactive, nextTick } from 'vue'
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import { ref, onMounted, reactive } from 'vue'
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import { callOperate } from '@/apis/call.js'
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import { message } from 'ant-design-vue'
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import config from '@/utils/config.js'
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import { getCache } from '@/utils/authority'
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import { dataFormat } from '@/utils/tools'
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import { dataFormat, batchDownloadQRcodes } from '@/utils/tools'
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import {
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SettingOutlined
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} from '@ant-design/icons-vue'
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@ -172,6 +183,7 @@ const dataSource = ref([])
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const data = ref([])
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const selectkeys = ref([])
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const selectAll = ref(false)
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const batchDownloadList = ref([])
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// 查询相关
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const queryform = ref({
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batteryCode: '',
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@ -395,9 +407,11 @@ const handleDown = async (record) => {
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const handleSelect = (record) => {
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if (selectkeys.value.includes(record.batteryCode)) {
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selectkeys.value = selectkeys.value.filter((item) => item !== record.batteryCode)
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selectkeys.value = selectkeys.value.filter((item) => item !== record.batteryCode);
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batchDownloadList.value = batchDownloadList.value.filter((item) => item.bikeCode !== record.bikeCode)
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} else {
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selectkeys.value.push(record.batteryCode)
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batchDownloadList.value.push(record)
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}
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if (selectkeys.value.length === dataSource.value.length) {
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selectAll.value = true
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@ -409,11 +423,29 @@ const handleSelect = (record) => {
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const handleAllSelect = () => {
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if (!selectAll.value) {
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selectAll.value = true
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selectkeys.value = dataSource.value.map((item) => item.batteryCode)
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selectkeys.value = dataSource.value.map((item) => item.batteryCode);
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batchDownloadList.value = dataSource.value.map((item) => item)
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} else {
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selectAll.value = false
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selectkeys.value = []
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selectkeys.value = [];
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batchDownloadList.value = []
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}
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}
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</script>
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const batchDownload = () => {
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if( batchDownloadList.value.length === 0) {
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message.error('请选择要下载的二维码')
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return
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}
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const urls = batchDownloadList.value.map(item => {
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return {
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base64QrCode:item.base64QrCode,
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code:item.batteryCode
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}
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});
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batchDownloadQRcodes(urls)
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}
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</script>
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@ -1,6 +1,5 @@
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<template>
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<div>
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<a-card :bordered="false">
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<a-card :bordered="false">
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<a-form
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:label-col="{ xl: 7, lg: 5, md: 7, sm: 4 }"
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:wrapper-col="{ xl: 17, lg: 19, md: 17, sm: 20 }"
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@ -104,6 +103,17 @@
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</template>
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<span>绑定</span>
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</a-button>
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<!-- 批量下载 -->
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<a-button
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type="primary"
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class="ele-btn-icon"
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@click="batchDownload"
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>
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<template #icon>
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<DownloadOutlined />
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</template>
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<span>批量下载</span>
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</a-button>
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</a-space>
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<!-- 表格 -->
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<a-table
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@ -152,20 +162,20 @@
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</template>
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</template>
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</a-table>
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</a-card>
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</div>
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</a-card>
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</template>
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<script setup>
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import { ref, onMounted, reactive, nextTick } from 'vue'
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import { ref, onMounted, reactive } from 'vue'
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import { callOperate } from '@/apis/call.js'
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import { message } from 'ant-design-vue'
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import config from '@/utils/config.js'
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import { getCache } from '@/utils/authority'
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import { dataFormat } from '@/utils/tools'
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import { dataFormat, batchDownloadQRcodes } from '@/utils/tools'
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import {
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SettingOutlined,
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PlusOutlined
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PlusOutlined,
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DownloadOutlined
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} from '@ant-design/icons-vue'
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import { QRCode } from 'ant-design-vue'
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@ -174,6 +184,7 @@ const { H } = QRCode
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const dataSource = ref([])
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const data = ref([])
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const selectkeys = ref([])
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const batchDownloadList = ref([])
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const selectAll = ref(false)
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// 查询相关
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const queryform = ref({
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@ -400,8 +411,11 @@ const handleDown = async (record) => {
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const handleSelect = (record) => {
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if (selectkeys.value.includes(record.bikeCode)) {
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selectkeys.value = selectkeys.value.filter((item) => item !== record.bikeCode)
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batchDownloadList.value = batchDownloadList.value.filter((item) => item.bikeCode !== record.bikeCode)
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} else {
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selectkeys.value.push(record.bikeCode)
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batchDownloadList.value.push(record)
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}
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if (selectkeys.value.length === dataSource.value.length) {
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selectAll.value = true
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@ -414,10 +428,28 @@ const handleAllSelect = () => {
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if (!selectAll.value) {
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selectAll.value = true
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selectkeys.value = dataSource.value.map((item) => item.bikeCode)
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batchDownloadList.value = dataSource.value.map((item) => item)
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} else {
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selectAll.value = false
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selectkeys.value = []
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}
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batchDownloadList.value = []
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}
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}
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</script>
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const batchDownload = () => {
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if( batchDownloadList.value.length === 0) {
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message.error('请选择要下载的二维码')
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return
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}
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const urls = batchDownloadList.value.map(item => {
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return {
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base64QrCode:item.base64QrCode,
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code:item.bikeCode
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}
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});
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batchDownloadQRcodes(urls)
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}
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</script>
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@ -104,6 +104,17 @@
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</template>
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<span>绑定</span>
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</a-button>
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<!-- 批量下载 -->
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<a-button
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type="primary"
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class="ele-btn-icon"
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@click="batchDownload"
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>
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<template #icon>
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<DownloadOutlined />
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</template>
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<span>批量下载</span>
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</a-button>
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</a-space>
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<!-- 表格 -->
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<a-table
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@ -157,12 +168,12 @@
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</template>
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<script setup>
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import { ref, onMounted, reactive, nextTick } from 'vue'
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import { ref, onMounted, reactive } from 'vue'
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import { callOperate } from '@/apis/call.js'
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import { message } from 'ant-design-vue'
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import config from '@/utils/config.js'
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import { getCache } from '@/utils/authority'
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import { dataFormat } from '@/utils/tools'
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import { dataFormat,batchDownloadQRcodes } from '@/utils/tools'
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import {
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SettingOutlined
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} from '@ant-design/icons-vue'
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@ -172,6 +183,7 @@ const dataSource = ref([])
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const data = ref([])
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const selectkeys = ref([])
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const selectAll = ref(false)
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const batchDownloadList = ref([])
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// 查询相关
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const queryform = ref({
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helmetCode: '',
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@ -395,9 +407,11 @@ const handleDown = async (record) => {
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const handleSelect = (record) => {
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if (selectkeys.value.includes(record.helmetCode)) {
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selectkeys.value = selectkeys.value.filter((item) => item !== record.helmetCode)
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selectkeys.value = selectkeys.value.filter((item) => item !== record.helmetCode);
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batchDownloadList.value = batchDownloadList.value.filter((item) => item.bikeCode !== record.bikeCode)
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} else {
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selectkeys.value.push(record.helmetCode)
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selectkeys.value.push(record.helmetCode);
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batchDownloadList.value.push(record)
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}
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if (selectkeys.value.length === dataSource.value.length) {
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selectAll.value = true
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@ -410,10 +424,28 @@ const handleAllSelect = () => {
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if (!selectAll.value) {
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selectAll.value = true
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selectkeys.value = dataSource.value.map((item) => item.helmetCode)
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batchDownloadList.value = dataSource.value.map((item) => item)
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} else {
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selectAll.value = false
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selectkeys.value = []
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batchDownloadList.value = []
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}
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}
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</script>
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const batchDownload = () => {
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if( batchDownloadList.value.length === 0) {
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message.error('请选择要下载的二维码')
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return
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}
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const urls = batchDownloadList.value.map(item => {
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return {
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base64QrCode:item.base64QrCode,
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code:item.helmetCode
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}
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});
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batchDownloadQRcodes(urls)
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}
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</script>
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