148 lines
4.4 KiB
JavaScript
148 lines
4.4 KiB
JavaScript
// 链接管理工具函数
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// 格式化链接状态
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export function formatLinkStatus(status) {
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const statusMap = {
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'ACTIVE': '启用',
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'INACTIVE': '禁用',
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'EXPIRED': '已过期'
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}
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return statusMap[status] || status
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}
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// 获取链接状态标签类型
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export function getLinkStatusType(status) {
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const typeMap = {
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'ACTIVE': 'success',
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'INACTIVE': 'danger',
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'EXPIRED': 'warning'
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}
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return typeMap[status] || 'info'
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}
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// 检查链接是否过期
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export function isLinkExpired(expiredAt) {
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if (!expiredAt) return false
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return new Date(expiredAt) < new Date()
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}
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// 计算剩余时间
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export function getRemainingTime(expiredAt) {
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if (!expiredAt) return null
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const now = new Date()
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const expired = new Date(expiredAt)
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const diff = expired - now
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if (diff <= 0) return '已过期'
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const days = Math.floor(diff / (1000 * 60 * 60 * 24))
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const hours = Math.floor((diff % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60))
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const minutes = Math.floor((diff % (1000 * 60 * 60)) / (1000 * 60))
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if (days > 0) return `${days}天${hours}小时`
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if (hours > 0) return `${hours}小时${minutes}分钟`
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return `${minutes}分钟`
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}
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// 生成二维码URL（使用在线服务）
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export function generateQRCodeUrl(data, size = 200) {
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return `https://api.qrserver.com/v1/create-qr-code/?size=${size}x${size}&data=${encodeURIComponent(data)}`
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}
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// 下载图片
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export function downloadImage(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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// 复制到剪贴板
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export async function copyToClipboard(text) {
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try {
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await navigator.clipboard.writeText(text)
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return true
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} catch (error) {
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console.error('复制失败:', error)
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return false
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}
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}
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// 计算列宽（中文按双字节处理）
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function calcWch(val) {
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const s = (val ?? '').toString()
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let w = 0
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for (const ch of s) w += ch.charCodeAt(0) > 255 ? 2 : 1
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return Math.min(Math.max(w, 8), 60) // 8~60 字符宽
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}
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// 简单日期格式化（如果字段是 Date 或 ISO 字符串）
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function fmtDate(v) {
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const d = v instanceof Date ? v : (typeof v === 'string' && !isNaN(Date.parse(v)) ? new Date(v) : null)
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if (!d) return v
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const pad = n => (n < 10 ? '0' + n : '' + n)
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return `${d.getFullYear()}-${pad(d.getMonth()+1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}:${pad(d.getSeconds())}`
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}
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// 真实 .xlsx 导出（中文不会乱码）
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export function exportToExcel(data, headers, filename = '导出.xlsx', sheetName = 'Sheet1') {
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console.log('xlsx导出数据:', data)
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// 动态导入 xlsx 库
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import('xlsx').then(({ utils: XLSXUtils, writeFile: XLSXWriteFile }) => {
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// 1) 规范化数据：按 headers 顺序映射到"显示列名 -> 值"
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const headerLabels = headers.map(h => h.label)
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const rows = (data || []).map(row => {
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const obj = {}
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headers.forEach(h => {
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let v = row?.[h.key]
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// 识别并格式化日期
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v = fmtDate(v)
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// 复杂对象转字符串
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if (v && typeof v === 'object' && !(v instanceof Date)) {
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try { v = JSON.stringify(v) } catch { v = String(v) }
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}
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// 公式注入防护（以 = + - @ 开头的文本加前导单引号）
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if (typeof v === 'string' && /^[=+\-@]/.test(v)) v = "'" + v
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// null/undefined 转为空串，保留 0/false
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if (v === null || v === undefined) v = ''
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obj[h.label] = v
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})
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return obj
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})
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// 2) 生成工作表
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const ws = XLSXUtils.json_to_sheet(rows, { header: headerLabels })
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// 3) 列宽：根据表头和数据计算
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const cols = headers.map(h => {
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const headW = calcWch(h.label)
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const dataW = rows.reduce((mx, r) => Math.max(mx, calcWch(r[h.label])), 0)
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return { wch: Math.max(headW, dataW) }
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})
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ws['!cols'] = cols
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// 4) 冻结首行、开启筛选
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if (ws['!ref']) {
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ws['!freeze'] = { xSplit: 0, ySplit: 1 }
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ws['!autofilter'] = { ref: ws['!ref'] }
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}
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// 5) 生成工作簿并下载
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const wb = XLSXUtils.book_new()
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XLSXUtils.book_append_sheet(wb, ws, sheetName)
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const safeName = filename.endsWith('.xlsx') ? filename : `${filename}.xlsx`
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XLSXWriteFile(wb, safeName)
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}).catch(error => {
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console.error('Failed to load xlsx library:', error)
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// 可以在这里添加错误提示
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})
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}
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