8 changed files with 346 additions and 152 deletions
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27pages/home/home.vue
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16pages/lendCar/lendCar.vue
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6pages/login/login.vue
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166pages/user/user.vue
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6subpkg/pages/collect-list/collect-list.vue
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11subpkg/pages/myLending/myLending.vue
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77subpkg/pages/reader-card/reader-card.vue
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181utils/storage.js
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/** |
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* 缓存工具函数 |
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* 提供缓存降级策略：先从缓存获取，缓存不存在则调用接口重新获取 |
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*/ |
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import { FetchOpenId, FetchFindAllReaderBindByOpenId } from '@/api/user'; |
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// 缓存键名常量
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export const STORAGE_KEYS = { |
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CURRENT_READER_CARD: 'currentReaderCard', |
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READER_CARD_LIST: 'readList', |
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WX_LOGIN_CODE: 'wx_login_code', |
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}; |
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/** |
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* 获取微信 openId（带缓存降级） |
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* 参考 home.vue 中的 initUserAndCheckBind 方法 |
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* @returns {Promise<string|null>} 微信 openId |
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*/ |
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export async function getOpenId() { |
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try { |
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// 1. 先看缓存有没有 openId
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let openId = uni.getStorageSync(STORAGE_KEYS.WX_LOGIN_CODE); |
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// 2. 有缓存，直接返回
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if (openId) { |
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return openId; |
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} |
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// 3. 没有 → 走微信登录流程
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const loginRes = await new Promise((resolve, reject) => { |
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uni.login({ |
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success: resolve, |
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fail: reject |
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}); |
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}); |
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if (!loginRes.code) { |
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console.warn('[Storage] WeChat login failed'); |
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return null; |
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} |
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// 4. 获取 openId
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const openRes = await FetchOpenId({ |
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libcode: '1201', |
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code: loginRes.code |
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}); |
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if (openRes.code !== 200 || !openRes.data) { |
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console.warn('[Storage] Failed to fetch openId'); |
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return null; |
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} |
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openId = openRes.data; |
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uni.setStorageSync(STORAGE_KEYS.WX_LOGIN_CODE, openId); |
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return openId; |
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} catch (err) { |
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console.error('[Storage] Error in getOpenId:', err); |
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return null; |
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} |
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} |
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/** |
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* 获取当前读者证信息（带缓存降级） |
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* @returns {Promise<Object|null>} 当前读者证信息 |
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*/ |
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export async function getCurrentReaderCard() { |
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// 1. 先从缓存获取
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const cachedCard = uni.getStorageSync(STORAGE_KEYS.CURRENT_READER_CARD); |
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// 2. 如果缓存存在且有效，直接返回
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if (cachedCard && Object.keys(cachedCard).length > 0) { |
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return cachedCard; |
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} |
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// 3. 缓存不存在，尝试从接口获取
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try { |
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// 使用带缓存降级的函数获取 openId
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const openId = await getOpenId(); |
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if (!openId) { |
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console.warn('[Storage] No openId found, cannot fetch reader card'); |
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return null; |
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} |
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const res = await FetchFindAllReaderBindByOpenId({ |
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libcode: '1201', |
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openId: openId |
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}); |
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if (res.code === 200 && res.data.length > 0) { |
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// 默认证排第一位
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const defaultCard = res.data.find(item => item.bindDefault === true); |
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const otherCards = res.data.filter(item => !item.bindDefault); |
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// 合并：默认在前，其他在后
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const readerCardList = defaultCard ? [defaultCard, ...otherCards] : res.data; |
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const resultCard = defaultCard || res.data[0]; |
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// 更新缓存
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uni.setStorageSync(STORAGE_KEYS.CURRENT_READER_CARD, resultCard); |
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uni.setStorageSync(STORAGE_KEYS.READER_CARD_LIST, readerCardList); |
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return resultCard; |
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} |
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} catch (err) { |
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console.error('[Storage] Failed to fetch reader card:', err); |
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} |
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return null; |
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} |
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/** |
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* 获取读者证列表（带缓存降级） |
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* @param {boolean} forceRefresh - 是否强制刷新，默认 false |
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* @returns {Promise<Array>} 读者证列表 |
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*/ |
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export async function getReaderCardList(forceRefresh = false) { |
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// 1. 如果不是强制刷新，先从缓存获取
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if (!forceRefresh) { |
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const cachedList = uni.getStorageSync(STORAGE_KEYS.READER_CARD_LIST); |
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// 如果缓存存在且有效，直接返回
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if (cachedList && Array.isArray(cachedList) && cachedList.length > 0) { |
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return cachedList; |
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} |
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} |
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// 2. 缓存不存在或强制刷新时，尝试从接口获取
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try { |
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// 使用带缓存降级的函数获取 openId
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const openId = await getOpenId(); |
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if (!openId) { |
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console.warn('[Storage] No openId found, cannot fetch reader card list'); |
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return []; |
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} |
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const res = await FetchFindAllReaderBindByOpenId({ |
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libcode: '1201', |
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openId: openId |
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}); |
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if (res.code === 200 && res.data.length > 0) { |
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// 默认证排第一位
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const defaultCard = res.data.find(item => item.bindDefault === true); |
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const otherCards = res.data.filter(item => !item.bindDefault); |
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// 合并：默认在前，其他在后
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const readerCardList = defaultCard ? [defaultCard, ...otherCards] : res.data; |
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// 更新缓存
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uni.setStorageSync(STORAGE_KEYS.READER_CARD_LIST, readerCardList); |
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// 同时更新当前读者证
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if (defaultCard) { |
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uni.setStorageSync(STORAGE_KEYS.CURRENT_READER_CARD, defaultCard); |
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} |
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return readerCardList; |
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} |
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} catch (err) { |
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console.error('[Storage] Failed to fetch reader card list:', err); |
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} |
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return []; |
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} |
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/** |
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* 设置当前读者证 |
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* @param {Object} card - 读者证信息 |
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*/ |
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export function setCurrentReaderCard(card) { |
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uni.setStorageSync(STORAGE_KEYS.CURRENT_READER_CARD, card); |
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} |
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/** |
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* 清除读者证相关缓存 |
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*/ |
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export function clearReaderCardCache() { |
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uni.removeStorageSync(STORAGE_KEYS.CURRENT_READER_CARD); |
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uni.removeStorageSync(STORAGE_KEYS.READER_CARD_LIST); |
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} |
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