perf(fe): 修复 token 过期白屏、请求翻倍与失败伪装成空态
token 过期后小程序静默白屏(影响所有用户) - JWT 有效期 7 天,过期后 40100 只 clearToken 不重新登录,而 store.ready 的 promise 已缓存不会重跑,加上 23 处静默 catch, 用户看到的是「什么都没有、也没有任何提示」,只能重启小程序 - request 层加 token 失效钩子:自动重新登录并重试一次(只重试一次, 防止登录接口本身故障时死循环);store 注册钩子重置引导缓存 - 补 15s 请求超时、60s 上传超时,超时给明确文案(原先默认 60s 卡住无反馈) 请求翻倍 - 每个 tab 页同时用 store.subscribe 和 onShow→ready().then() 加载, 而 ready() 内部 loadPets 会 notify 触发 subscriber,首次进入请求翻倍 - subscriber 改为只处理「切换宠物 / 数据变更」,首次加载交给 onShow - 首页 bind:save 与组件实际触发的 saved 事件名不一致,onSheetSave 从未生效;一并修正,并去掉关闭弹层时的全量重载 失败伪装成空态 - 社区请求失败时显示「还没有帖子,来发第一条吧」,把故障说成没数据。 改为区分「加载失败(可点击重试)」「关注 tab 为空」「确实没有帖子」 - 新增 utils/ui.js 统一错误提示(同文案 3 秒内去重,避免并发失败刷屏), 首页与记录页主数据加载失败不再静默 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
@@ -1,5 +1,6 @@
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const store = require('../../utils/store.js');
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const api = require('../../utils/api.js');
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const { toastErr } = require('../../utils/ui.js');
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const TAG_CLASS = { 求助: 'warn', 经验: 'blue', 精选: 'purple', 避坑: 'red', 晒宠: '' };
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@@ -33,6 +34,8 @@ Page({
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sheetShow: false,
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sheetType: '',
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sheetPostId: '',
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loaded: false,
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loadErr: '',
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},
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onLoad() {
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this._unsub = store.subscribe((pet) => this.setData({ pet }));
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@@ -54,10 +57,15 @@ Page({
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},
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loadPosts() {
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const tab = this.data.feedTabs[this.data.feedIdx];
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this.setData({ loadErr: '' });
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api
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.listPosts(tab, 1)
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.then((page) => this.setData({ posts: (page.list || []).map(mapPost) }))
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.catch(() => {});
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.then((page) => this.setData({ posts: (page.list || []).map(mapPost), loaded: true }))
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.catch((e) => {
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// 不能让「加载失败」显示成「还没有帖子」,那是在骗用户
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this.setData({ loadErr: e.message || '加载失败', loaded: true });
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toastErr(e);
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});
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},
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switchFeedTab(e) {
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this.setData({ feedIdx: e.currentTarget.dataset.index });
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@@ -41,7 +41,13 @@ module.exports.isUrl = function (s) { return s && s.indexOf('http') === 0; }
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</view>
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</view>
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<view wx:if="{{posts.length === 0}}" class="empty-hint">还没有帖子,来发第一条吧 🐾</view>
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<view wx:if="{{loadErr}}" class="empty-hint">
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{{loadErr}}
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<view class="retry-btn" bindtap="loadPosts">点击重试</view>
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</view>
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<view wx:elif="{{loaded && posts.length === 0}}" class="empty-hint">
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{{feedTabs[feedIdx] === '关注' ? '还没有关注的人,去「推荐」里关注几个宠友吧 🐾' : '还没有帖子,来发第一条吧 🐾'}}
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</view>
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</view>
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</scroll-view>
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@@ -53,3 +53,4 @@ page{height:100vh;overflow:hidden;display:flex;flex-direction:column}
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color:var(--primary-dark);background:#FFF2DC;border:1rpx solid #FFD39A;
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}
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.follow-btn.on{color:var(--muted);background:#F4F1EC;border-color:var(--line)}
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.retry-btn{margin-top:20rpx;display:inline-block;padding:12rpx 36rpx;border-radius:999rpx;background:#FFF2DC;color:var(--primary-dark);font-weight:700;font-size:26rpx}
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@@ -1,5 +1,6 @@
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const store = require('../../utils/store.js');
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const api = require('../../utils/api.js');
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const { toastErr } = require('../../utils/ui.js');
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function todayStr() {
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const d = new Date();
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@@ -34,6 +35,8 @@ Page({
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this.setData({ todayDate: todayStr() });
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this._unsub = store.subscribe((pet) => {
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this.setData({ pet });
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// 首次由 onShow 统一加载,这里只处理之后的「切换宠物 / 数据变更」,避免重复请求
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if (!this._inited) return;
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this.loadAll();
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});
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},
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@@ -47,6 +50,7 @@ Page({
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store
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.ready()
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.then(() => {
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this._inited = true;
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this.setData({ pet: store.getPet() });
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this.loadAll();
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})
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@@ -72,7 +76,7 @@ Page({
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api
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.homeSummary(id)
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.then((summary) => this.setData({ summary }))
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.catch(() => {});
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.catch((e) => toastErr(e));
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},
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loadTasks() {
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const id = store.currentPetId();
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@@ -81,7 +85,7 @@ Page({
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api
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.getTasks(id, date)
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.then((tasks) => this.setData({ tasks: (tasks || []).map(mapTask) }))
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.catch(() => {});
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.catch((e) => toastErr(e));
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},
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onTapDay(e) {
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const { date, active } = e.currentTarget.dataset;
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@@ -130,8 +134,9 @@ Page({
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this.setData({ sheetType: type, sheetShow: true });
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},
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closeSheet() {
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// 只关闭。数据变更由 bind:saved 或 store 的宠物变更通知触发刷新,
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// 不必每次关弹层(哪怕只是看了眼 AI)都全量重拉一遍
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this.setData({ sheetShow: false });
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this.loadAll();
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},
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onSheetSave() {
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this.loadTasks();
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@@ -97,4 +97,4 @@
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</scroll-view>
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<fab bind:tap="onFab"></fab>
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<bottom-sheet show="{{sheetShow}}" type="{{sheetType}}" bind:close="closeSheet" bind:save="onSheetSave"></bottom-sheet>
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<bottom-sheet show="{{sheetShow}}" type="{{sheetType}}" bind:close="closeSheet" bind:saved="onSheetSave"></bottom-sheet>
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@@ -46,6 +46,7 @@ Page({
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onLoad() {
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this._unsub = store.subscribe((pet) => {
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this.setData({ pet, calLoaded: false });
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if (!this._inited) return; // 首次由 onShow 加载
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this.loadTimeline();
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if (this.data.planView === 'calendar') this.loadCalendar();
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});
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@@ -60,6 +61,7 @@ Page({
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store
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.ready()
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.then(() => {
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this._inited = true;
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this.setData({ pet: store.getPet() });
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this.loadTimeline();
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})
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@@ -1,5 +1,6 @@
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const store = require('../../utils/store.js');
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const api = require('../../utils/api.js');
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const { toastErr } = require('../../utils/ui.js');
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function pad(n) {
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return n < 10 ? '0' + n : '' + n;
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@@ -90,6 +91,7 @@ Page({
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onLoad() {
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this._unsub = store.subscribe((pet) => {
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this.setData({ pet });
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if (!this._inited) return; // 首次由 onShow 加载
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this.loadRecords();
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});
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},
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@@ -103,6 +105,7 @@ Page({
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store
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.ready()
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.then(() => {
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this._inited = true;
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this.setData({ pet: store.getPet() });
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this.loadRecords();
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})
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@@ -145,7 +148,7 @@ Page({
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const list = (res.list || []).map(mapRecord);
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this.setData({ timeline: list, recPage: 1, recTotal: res.total || 0, recHasMore: list.length < (res.total || 0) });
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})
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.catch(() => {});
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.catch((e) => toastErr(e));
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this.loadTrend();
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},
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loadMoreRecords() {
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@@ -14,6 +14,7 @@ Page({
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onLoad() {
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this._unsub = store.subscribe((pet) => {
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this.setData({ pet });
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if (!this._inited) return; // 首次由 onShow 加载
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this.loadData();
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});
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},
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@@ -27,6 +28,7 @@ Page({
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store
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.ready()
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.then(() => {
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this._inited = true;
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this.setData({ pet: store.getPet() });
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this.loadData();
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})
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@@ -1,5 +1,7 @@
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// 后端地址。本地联调:微信开发者工具需在「详情 → 本地设置」勾选「不校验合法域名」。
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// 上线时改为你的 https 域名,并在微信公众平台配置 request 合法域名。
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const BASE_URL = 'http://192.168.31.4:9090';
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//const BASE_URL = 'http://192.168.31.4:9090';
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const BASE_URL = 'https://pet.sundynix.cn';
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module.exports = { BASE_URL };
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@@ -12,14 +12,25 @@ function clearToken() {
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wx.removeStorageSync(TOKEN_KEY);
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}
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// 统一请求:注入 token,解析 {code,message,data},成功返回 data,失败 reject(Error)
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function request({ url, method = 'GET', data, header = {} }) {
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// token 失效时的重新登录钩子,由 store 注册(放在这里避免 request ← api ← store 循环依赖)
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let reAuth = null;
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function setReAuthHandler(fn) {
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reAuth = fn;
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}
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const TIMEOUT = 15000;
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// 统一请求:注入 token,解析 {code,message,data},成功返回 data,失败 reject(Error)。
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// token 失效(40100)时自动重新登录并重试一次,避免 JWT 过期后小程序静默白屏。
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function request(options, _retried) {
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const { url, method = 'GET', data, header = {} } = options;
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return new Promise((resolve, reject) => {
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const token = getToken();
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wx.request({
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url: BASE_URL + url,
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method,
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data,
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timeout: TIMEOUT,
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header: Object.assign(
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{ 'Content-Type': 'application/json' },
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token ? { Authorization: 'Bearer ' + token } : {},
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@@ -29,13 +40,22 @@ function request({ url, method = 'GET', data, header = {} }) {
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const body = res.data;
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if (body && typeof body === 'object' && 'code' in body) {
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if (body.code === 0) return resolve(body.data);
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if (body.code === 40100) clearToken();
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if (body.code === 40100) {
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clearToken();
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// 只重试一次,防止登录接口本身出问题时无限循环
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if (!_retried && reAuth) {
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return reAuth()
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.then(() => request(options, true).then(resolve, reject))
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.catch(() => reject(new Error(body.message || '登录已过期,请重进小程序')));
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}
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}
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return reject(new Error(body.message || '请求失败'));
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}
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resolve(body);
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},
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fail(err) {
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reject(new Error((err && err.errMsg) || '网络错误'));
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const msg = (err && err.errMsg) || '网络错误';
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reject(new Error(/timeout/i.test(msg) ? '网络超时,请稍后重试' : msg));
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},
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});
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});
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@@ -49,6 +69,7 @@ function uploadFile(filePath) {
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url: BASE_URL + '/api/upload',
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filePath,
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name: 'file',
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timeout: 60000,
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header: token ? { Authorization: 'Bearer ' + token } : {},
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success(res) {
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try {
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@@ -66,4 +87,4 @@ function uploadFile(filePath) {
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});
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}
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module.exports = { request, uploadFile, getToken, setToken, clearToken };
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module.exports = { request, uploadFile, getToken, setToken, clearToken, setReAuthHandler };
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@@ -1,5 +1,6 @@
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// 全局状态:登录、宠物列表、当前宠物;服务端驱动 + 发布订阅
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const api = require('./api.js');
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const { setReAuthHandler } = require('./request.js');
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const state = {
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user: null,
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@@ -38,6 +39,12 @@ function subscribe(fn) {
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}
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// 登录 + 拉宠物列表(只跑一次)
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// token 失效时清掉引导缓存并重新登录一次,让 request 层能自动重试
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setReAuthHandler(async () => {
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bootstrapPromise = null;
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await ready();
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});
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function ready() {
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if (!bootstrapPromise) {
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bootstrapPromise = (async () => {
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@@ -0,0 +1,15 @@
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// 轻量 UI 提示:统一错误反馈,避免请求失败时页面一片空白、用户不知道发生了什么。
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let lastMsg = '';
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let lastAt = 0;
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// 提示错误。相同文案 3 秒内不重复弹,避免多个并发请求同时失败时刷屏。
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function toastErr(e, fallback) {
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const msg = (e && e.message) || fallback || '加载失败';
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const now = Date.now();
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if (msg === lastMsg && now - lastAt < 3000) return;
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lastMsg = msg;
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lastAt = now;
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wx.showToast({ title: msg, icon: 'none', duration: 2000 });
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}
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module.exports = { toastErr };
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Reference in New Issue
Block a user