802b4ba229
- VoiceController: Map.of() -> Collections.singletonMap() 兼容 Java 8 - ExploreController: 补齐 takeoutService.roll() 缺失的 taste/priceRange/allergies 参数 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
89 lines
2.1 KiB
JavaScript
89 lines
2.1 KiB
JavaScript
const app = getApp();
|
||
|
||
// 客户端缓存：key → { data, expireAt }
|
||
const CACHE_PREFIX = 'api_cache_';
|
||
const DEFAULT_TTL = 30 * 60 * 1000; // 默认 30 分钟
|
||
|
||
function request(method, path, data) {
|
||
return new Promise((resolve, reject) => {
|
||
wx.request({
|
||
url: app.globalData.baseUrl + path,
|
||
method: method,
|
||
data: data,
|
||
header: { 'Content-Type': 'application/json' },
|
||
success: (res) => {
|
||
if (res.statusCode === 200 && res.data.code === 200) {
|
||
resolve(res.data.data);
|
||
} else {
|
||
reject(res.data);
|
||
}
|
||
},
|
||
fail: (err) => {
|
||
reject(err);
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 带客户端缓存的 GET 请求
|
||
* @param {string} path 请求路径
|
||
* @param {object} data 请求参数
|
||
* @param {number} ttlMs 缓存时长(毫秒)，默认 30 分钟
|
||
*/
|
||
function getWithCache(path, data, ttlMs) {
|
||
const cacheKey = CACHE_PREFIX + path + '_' + JSON.stringify(data || {});
|
||
const ttl = ttlMs || DEFAULT_TTL;
|
||
|
||
// 读缓存
|
||
try {
|
||
const cached = wx.getStorageSync(cacheKey);
|
||
if (cached && cached.expireAt > Date.now()) {
|
||
return Promise.resolve(cached.data);
|
||
}
|
||
} catch (e) {
|
||
// 读取失败，忽略
|
||
}
|
||
|
||
return request('GET', path, data).then((result) => {
|
||
// 写缓存
|
||
try {
|
||
wx.setStorageSync(cacheKey, {
|
||
data: result,
|
||
expireAt: Date.now() + ttl
|
||
});
|
||
} catch (e) {
|
||
// 写入失败，忽略（存储满了等）
|
||
}
|
||
return result;
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 清除过期缓存
|
||
*/
|
||
function clearExpiredCache() {
|
||
try {
|
||
const info = wx.getStorageInfoSync();
|
||
const keys = info.keys || [];
|
||
const now = Date.now();
|
||
keys.forEach((key) => {
|
||
if (key.startsWith(CACHE_PREFIX)) {
|
||
const cached = wx.getStorageSync(key);
|
||
if (cached && cached.expireAt < now) {
|
||
wx.removeStorageSync(key);
|
||
}
|
||
}
|
||
});
|
||
} catch (e) {
|
||
// 静默失败
|
||
}
|
||
}
|
||
|
||
module.exports = {
|
||
get: (path, data) => request('GET', path, data),
|
||
post: (path, data) => request('POST', path, data),
|
||
getWithCache,
|
||
clearExpiredCache
|
||
};
|