bot_dev1
85df71fc28
- 新增OperationDashboard.vue全屏大屏组件 - 添加6个核心KPI指标卡片: 进水总量/出水总量/产销差率/营收额/平均水质/报警次数 - 实现6个ECharts图表: 供水趋势/水质分布/报警统计/管网空间/设备状态/营收分析 - 创建静态HTML版本operation-dashboard.html，使用CDN加载Vue3/ECharts/Element Plus - 更新路由配置，添加/operation路径支持 - 修复nextTick导入问题，优化build脚本 🚧 开发者: bot_dev1 📝 任务: #38 [BI] 运营仪表盘 + 供水专题大屏
67 lines
1.8 KiB
JavaScript
67 lines
1.8 KiB
JavaScript
'use strict';
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import AxiosError from '../core/AxiosError.js';
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import parseProtocol from './parseProtocol.js';
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import platform from '../platform/index.js';
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// RFC 2397: data:[<mediatype>][;base64],<data>
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// mediatype = type/subtype followed by optional ;name=value parameters
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const DATA_URL_PATTERN = /^([^,;]+\/[^,;]+)?((?:;[^,;=]+=[^,;]+)*)(;base64)?,([\s\S]*)$/;
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/**
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* Parse data uri to a Buffer or Blob
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*
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* @param {String} uri
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* @param {?Boolean} asBlob
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* @param {?Object} options
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* @param {?Function} options.Blob
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*
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* @returns {Buffer|Blob}
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*/
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export default function fromDataURI(uri, asBlob, options) {
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const _Blob = (options && options.Blob) || platform.classes.Blob;
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const protocol = parseProtocol(uri);
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if (asBlob === undefined && _Blob) {
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asBlob = true;
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}
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if (protocol === 'data') {
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uri = protocol.length ? uri.slice(protocol.length + 1) : uri;
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const match = DATA_URL_PATTERN.exec(uri);
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if (!match) {
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throw new AxiosError('Invalid URL', AxiosError.ERR_INVALID_URL);
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}
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const type = match[1];
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const params = match[2];
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const encoding = match[3] ? 'base64' : 'utf8';
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const body = match[4];
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// RFC 2397 section 3: default mediatype is text/plain;charset=US-ASCII
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// Bare `data:,` leaves mime undefined; Blob normalises that to "" per spec.
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let mime;
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if (type) {
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mime = params ? type + params : type;
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} else if (params) {
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mime = 'text/plain' + params;
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}
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const buffer = Buffer.from(decodeURIComponent(body), encoding);
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if (asBlob) {
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if (!_Blob) {
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throw new AxiosError('Blob is not supported', AxiosError.ERR_NOT_SUPPORT);
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}
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return new _Blob([buffer], { type: mime });
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}
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return buffer;
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}
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throw new AxiosError('Unsupported protocol ' + protocol, AxiosError.ERR_NOT_SUPPORT);
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}
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