初始提交：实习工作日志系统（设计方案 + Vue3 应用 + Electron 打包）

2026-10-15 23:55:27 +08:00
commit cfb984627d
50 changed files with 9223 additions and 0 deletions
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+import { ref } from 'vue'
+
+// 跨视图定位信号：全局搜索命中后跳转到对应视图并聚焦
+export const focusDate = ref<string | null>(null)
+export const focusMemo = ref<number | null>(null)
+
+// 考勤数据变更信号：打卡、修改时间、补卡、休假后自增，所有考勤展示视图监听并实时刷新
+export const attendanceChanged = ref(0)
+export function notifyAttendanceChanged(): void {
+  attendanceChanged.value++
+}
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+export async function copyText(text: string): Promise<void> {
+  try {
+    await navigator.clipboard.writeText(text)
+  } catch {
+    const ta = document.createElement('textarea')
+    ta.value = text
+    ta.style.position = 'fixed'
+    ta.style.opacity = '0'
+    document.body.appendChild(ta)
+    ta.select()
+    document.execCommand('copy')
+    document.body.removeChild(ta)
+  }
+}
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+// 主密码加密：PBKDF2-SHA256 派生 AES-256-GCM 密钥（设计方案 3.8）
+const PBKDF2_ITERATIONS = 150000
+
+export function bufToB64(buf: ArrayBuffer): string {
+  const bytes = new Uint8Array(buf)
+  let bin = ''
+  for (let i = 0; i < bytes.length; i++) bin += String.fromCharCode(bytes[i])
+  return btoa(bin)
+}
+
+function b64ToBytes(s: string): Uint8Array {
+  const bin = atob(s)
+  const bytes = new Uint8Array(bin.length)
+  for (let i = 0; i < bin.length; i++) bytes[i] = bin.charCodeAt(i)
+  return bytes
+}
+
+export function randomSaltB64(): string {
+  return bufToB64(crypto.getRandomValues(new Uint8Array(16)).buffer)
+}
+
+// 登录密码哈希：仅存 PBKDF2 派生值，不存明文
+export async function pbkdf2Hash(password: string, saltB64: string): Promise<string> {
+  const enc = new TextEncoder()
+  const base = await crypto.subtle.importKey('raw', enc.encode(password), 'PBKDF2', false, ['deriveBits'])
+  const bits = await crypto.subtle.deriveBits(
+    { name: 'PBKDF2', salt: b64ToBytes(saltB64), iterations: PBKDF2_ITERATIONS, hash: 'SHA-256' },
+    base,
+    256
+  )
+  return bufToB64(bits)
+}
+
+export async function deriveKeyFromPassword(password: string, saltB64: string): Promise<CryptoKey> {
+  const enc = new TextEncoder()
+  const base = await crypto.subtle.importKey('raw', enc.encode(password), 'PBKDF2', false, ['deriveKey'])
+  return crypto.subtle.deriveKey(
+    { name: 'PBKDF2', salt: b64ToBytes(saltB64), iterations: PBKDF2_ITERATIONS, hash: 'SHA-256' },
+    base,
+    { name: 'AES-GCM', length: 256 },
+    false,
+    ['encrypt', 'decrypt']
+  )
+}
+
+// 密文打包格式：iv_base64:cipher_base64
+export async function aesGcmEncrypt(key: CryptoKey, plaintext: string): Promise<string> {
+  const iv = crypto.getRandomValues(new Uint8Array(12))
+  const cipher = await crypto.subtle.encrypt({ name: 'AES-GCM', iv }, key, new TextEncoder().encode(plaintext))
+  return bufToB64(iv.buffer as ArrayBuffer) + ':' + bufToB64(cipher)
+}
+
+export async function aesGcmDecrypt(key: CryptoKey, packed: string): Promise<string> {
+  const parts = packed.split(':')
+  if (parts.length !== 2) throw new Error('密文格式错误')
+  const plain = await crypto.subtle.decrypt(
+    { name: 'AES-GCM', iv: b64ToBytes(parts[0]) },
+    key,
+    b64ToBytes(parts[1])
+  )
+  return new TextDecoder().decode(plain)
+}
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+function csvCell(v: string | number | null | undefined): string {
+  const s = v == null ? '' : String(v)
+  return '"' + s.replace(/"/g, '""') + '"'
+}
+
+// 导出 UTF-8 BOM 的 CSV，Excel 可直接打开中文不乱码
+export function downloadCsv(filename: string, rows: (string | number | null | undefined)[][]): void {
+  const content = rows.map(r => r.map(csvCell).join(',')).join('\r\n')
+  const blob = new Blob(['\ufeff' + content], { type: 'text/csv;charset=utf-8' })
+  const url = URL.createObjectURL(blob)
+  const a = document.createElement('a')
+  a.href = url
+  a.download = filename
+  a.click()
+  URL.revokeObjectURL(url)
+}
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+export function pad(n: number): string {
+  return n < 10 ? '0' + n : String(n)
+}
+
+export function toDateStr(d: Date): string {
+  return d.getFullYear() + '-' + pad(d.getMonth() + 1) + '-' + pad(d.getDate())
+}
+
+export function todayStr(): string {
+  return toDateStr(new Date())
+}
+
+export function nowLocalISO(): string {
+  const d = new Date()
+  return toDateStr(d) + 'T' + pad(d.getHours()) + ':' + pad(d.getMinutes()) + ':' + pad(d.getSeconds())
+}
+
+export function hhmm(iso: string | null | undefined): string {
+  if (!iso) return '--:--'
+  const i = iso.indexOf('T')
+  return i >= 0 ? iso.slice(i + 1, i + 6) : iso.slice(0, 5)
+}
+
+export function parseDateStr(s: string): Date {
+  const parts = s.split('-').map(Number)
+  return new Date(parts[0], parts[1] - 1, parts[2])
+}
+
+export function addDays(s: string, n: number): string {
+  const d = parseDateStr(s)
+  d.setDate(d.getDate() + n)
+  return toDateStr(d)
+}
+
+export function addMonths(s: string, n: number): string {
+  const d = parseDateStr(s)
+  const day = d.getDate()
+  d.setDate(1)
+  d.setMonth(d.getMonth() + n)
+  const last = new Date(d.getFullYear(), d.getMonth() + 1, 0).getDate()
+  d.setDate(Math.min(day, last))
+  return toDateStr(d)
+}
+
+export function weekStart(s: string): string {
+  const d = parseDateStr(s)
+  const wd = (d.getDay() + 6) % 7
+  d.setDate(d.getDate() - wd)
+  return toDateStr(d)
+}
+
+export function isWeekend(s: string): boolean {
+  const wd = parseDateStr(s).getDay()
+  return wd === 0 || wd === 6
+}
+
+export function tsMinutes(a: string, b: string): number {
+  return Math.round((new Date(b).getTime() - new Date(a).getTime()) / 60000)
+}
+
+export function formatDateCN(s: string): string {
+  const d = parseDateStr(s)
+  const names = ['周日', '周一', '周二', '周三', '周四', '周五', '周六']
+  return d.getFullYear() + ' 年 ' + (d.getMonth() + 1) + ' 月 ' + d.getDate() + ' 日 ' + names[d.getDay()]
+}
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+export function downloadText(filename: string, text: string): void {
+  const blob = new Blob([text], { type: 'text/plain;charset=utf-8' })
+  const url = URL.createObjectURL(blob)
+  const a = document.createElement('a')
+  a.href = url
+  a.download = filename
+  a.click()
+  URL.revokeObjectURL(url)
+}
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+import { ref } from 'vue'
+
+export interface ToastItem {
+  id: number
+  text: string
+}
+
+const toasts = ref<ToastItem[]>([])
+let seq = 0
+
+// 轻提示：操作结果统一在右上角反馈，2 秒自动消失
+export function showToast(text: string): void {
+  const id = ++seq
+  toasts.value.push({ id, text })
+  setTimeout(() => {
+    toasts.value = toasts.value.filter(t => t.id !== id)
+  }, 2000)
+}
+
+export function useToasts() {
+  return toasts
+}