首次提交：初始化项目代码

utils/apiCache.js

@@ -0,0 +1,67 @@
+const cache = new Map()
+const CACHE_TTL = 30000
+const PENDING = new Map()
+
+export const cachedRequest = async (key, requestFn, ttl = CACHE_TTL) => {
+	const now = Date.now()
+	const cached = cache.get(key)
+	if (cached && now - cached.time < ttl) {
+		return cached.data
+	}
+
+	if (PENDING.has(key)) {
+		return PENDING.get(key)
+	}
+
+	const promise = requestFn().then(data => {
+		cache.set(key, { data, time: Date.now() })
+		PENDING.delete(key)
+		return data
+	}).catch(err => {
+		PENDING.delete(key)
+		throw err
+	})
+
+	PENDING.set(key, promise)
+	return promise
+}
+
+export const clearCache = (key) => {
+	if (key) {
+		cache.delete(key)
+	} else {
+		cache.clear()
+	}
+}
+
+export const getCacheKey = (prefix, params) => {
+	return `${prefix}:${JSON.stringify(params || {})}`
+}
+
+export const createCachedRequest = (cachePrefix) => {
+	return async (url, config = {}) => {
+		const key = getCacheKey(cachePrefix || url, config.data)
+		return cachedRequest(key, () => {
+			if (typeof config.request === 'function') {
+				return config.request(url, config)
+			}
+			return new Promise((resolve, reject) => {
+				uni.request({
+					url: url,
+					method: config.method || 'POST',
+					data: config.data || {},
+					header: config.header || {},
+					timeout: config.timeout || 15000,
+					success: (res) => resolve(res.data),
+					fail: (err) => reject(new Error(err.errMsg || '请求失败'))
+				})
+			})
+		}, config.cacheTTL)
+	}
+}
+
+export default {
+  cachedRequest,
+  clearCache,
+  createCachedRequest
+}