task-246(admin.html观感对齐): 反馈语义统一(success/error/warning + busy 防重入 + 忙碌文案)
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/**
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* 反馈 UI 接线(module 13 task 246):把模型语义接到 ElMessage 与 busy 锁上。
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* 页面统一用 showAdminFeedback / runBusy,避免各页 ElMessage 直接散打文案。
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*/
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import { ElMessage } from 'element-plus'
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import {
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endBusy,
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normalizeFeedback,
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tryBeginBusy,
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type AdminFeedbackKind,
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} from './admin-feedback'
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export function showAdminFeedback(message?: string, kind?: AdminFeedbackKind): void {
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const { kind: k, message: m } = normalizeFeedback(message, kind)
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if (k === 'success') ElMessage.success(m)
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else if (k === 'error') ElMessage.error(m)
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else ElMessage.warning(m)
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}
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/** 以 busy 锁包裹一个提交动作;已在途则直接返回 undefined,防止重复提交。 */
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export async function runBusy<T>(task: () => Promise<T>): Promise<T | undefined> {
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if (!tryBeginBusy()) return undefined
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try {
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return await task()
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} finally {
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endBusy()
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}
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}
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/**
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* 反馈语义模型(module 13 task 246):成功/错误/警告统一文案与 busy 防重入。
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* 纯逻辑、不依赖 Element;UI 接线见 admin-feedback-ui.ts。
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*/
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export type AdminFeedbackKind = 'success' | 'error' | 'warning'
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export const FEEDBACK_TEXT = {
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successDefault: '操作成功',
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errorDefault: '操作失败,请稍后重试',
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warningDefault: '请确认后再继续',
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busySuffix: '中…',
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} as const
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export interface NormalizedFeedback {
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kind: AdminFeedbackKind
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message: string
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}
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const KIND_DEFAULT: Record<AdminFeedbackKind, string> = {
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success: FEEDBACK_TEXT.successDefault,
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error: FEEDBACK_TEXT.errorDefault,
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warning: FEEDBACK_TEXT.warningDefault,
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}
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/** 归一反饋消息:显式 message 保留并去首尾空白,空值按 kind 落默认文案。 */
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export function normalizeFeedback(message?: string, kind?: AdminFeedbackKind): NormalizedFeedback {
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const k: AdminFeedbackKind = kind ?? 'warning'
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const trimmed = typeof message === 'string' ? message.trim() : ''
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return { kind: k, message: trimmed ? trimmed : KIND_DEFAULT[k] }
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}
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/** 忙碌按钮文案:「保存」→「保存中…」;已以「中」结尾则不重复补。 */
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export function busyLabel(verb: string): string {
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const v = (verb || '处理').trim()
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return v.endsWith('中') ? `${v}…` : `${v}${FEEDBACK_TEXT.busySuffix}`
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}
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/** 把 Error/字符串/未知错误转成可行动错误文案;空值回默认错误。 */
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export function actionableErrorText(error: unknown): string {
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if (error instanceof Error && error.message && error.message.trim()) return error.message.trim()
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if (typeof error === 'string' && error.trim()) return error.trim()
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return FEEDBACK_TEXT.errorDefault
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}
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// busy 单例锁:表单提交/导出等防重复进入。
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let busy = false
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export function tryBeginBusy(): boolean {
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if (busy) return false
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busy = true
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return true
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}
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export function endBusy(): void {
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busy = false
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}
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export function isBusy(): boolean {
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return busy
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}
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