import store from '@/store'
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import config from '@/config'
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import { getToken } from '@/utils/auth'
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import errorCode from '@/utils/errorCode'
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import { toast, showConfirm, tansParams } from '@/utils/common'
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import { encrypt, decrypt } from '@/utils/crypto.js'
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let timeout = 10000
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const baseUrl = config.baseUrl
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// ✅ 需要加密的接口白名单
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const encryptApiList = [
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'/api/getHospList',
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'/api/getCusInfo',
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'/api/cusViewReport',
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'/api/cusReportData',
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'/api/viewReportUrl',
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'/api/getShenGaoTiZhong',
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'/api/updatePhone'
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]
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// ✅ 请求缓存和防抖管理
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const pendingRequests = new Map(); // 存储正在等待的请求
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const requestCache = new Map(); // 存储缓存的请求结果
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const request = config => {
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const isToken = (config.headers || {}).isToken === false
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config.header = config.header || {}
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if (getToken() && !isToken) {
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config.header['token'] = getToken()
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config.header['Authorization'] = 'Bearer ' + getToken()
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}
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const hospId = uni.getStorageSync('hospId')
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if (hospId) {
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config.header['hospId'] = hospId
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}
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// GET 请求映射 params 参数
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if (config.params) {
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let url = config.url + '?' + tansParams(config.params)
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url = url.slice(0, -1)
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config.url = url
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}
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// ✅ 生成唯一请求标识，包含 URL、方法和参数
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const requestKey = `${config.url}_${config.method}_${JSON.stringify(config.data || {})}`;
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// ✅ 检查缓存
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if (requestCache.has(requestKey)) {
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const cached = requestCache.get(requestKey);
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if (cached.expiry > Date.now()) {
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return Promise.resolve(cached.response); // 返回缓存结果
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} else {
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requestCache.delete(requestKey); // 缓存过期，删除
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}
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}
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// ✅ 防抖逻辑：如果短时间内有相同请求，取消之前的
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if (pendingRequests.has(requestKey)) {
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clearTimeout(pendingRequests.get(requestKey).timer); // 清除之前的定时器
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}
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// ✅ 判断是否需要加密
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const isEncryptApi = encryptApiList.includes(config.url);
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const isLoginRequest = config.url.includes('/login');
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let data = config.data;
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if (isEncryptApi) {
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console.log('[加密前的data]', config.data);
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data = encrypt(JSON.stringify(config.data));
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} else if (isLoginRequest) {
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data = JSON.stringify(config.data);
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} else {
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data = config.data;
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}
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return new Promise((resolve, reject) => {
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// ✅ 设置防抖定时器
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const timer = setTimeout(() => {
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pendingRequests.delete(requestKey); // 请求发送后移除
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uni.request({
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method: config.method || 'get',
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timeout: config.timeout || timeout,
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url: config.baseUrl || baseUrl + config.url,
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data: data,
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header: config.header,
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responseType: config.responseType || 'text',
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dataType: config.responseType === 'arraybuffer' ? undefined : 'json'
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}).then(response => {
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let [error, res] = response;
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if (error) {
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toast('后端接口连接异常');
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reject('后端接口连接异常');
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return;
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}
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let resData;
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try {
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if (isEncryptApi) {
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const decrypted = decrypt(res.data);
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resData = JSON.parse(decrypted);
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} else if (isLoginRequest) {
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resData = typeof res.data === 'string' ? JSON.parse(res.data) : res.data;
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} else {
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resData = res.data;
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}
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} catch (e) {
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console.error('响应解析失败:', e);
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toast('响应数据处理失败');
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reject('响应数据处理失败');
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return;
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}
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if (config.responseType === 'arraybuffer') {
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// ✅ 缓存 arraybuffer 类型响应
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requestCache.set(requestKey, {
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response: resData,
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expiry: Date.now() + 5000 // 缓存 5 秒
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});
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resolve(resData);
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return;
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}
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const code = resData.code || 200;
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const msg = errorCode[code] || resData.msg || errorCode['default'];
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if (code === 401) {
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showConfirm('登录状态已过期，您可以继续留在该页面，或者重新登录?').then(res => {
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if (res.confirm) {
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store.dispatch('LogOut').then(() => {
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uni.reLaunch({ url: '/pages/login' });
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});
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}
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});
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reject('无效的会话，或者会话已过期，请重新登录。');
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} else if (code === 500) {
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toast(msg);
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reject(resData);
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} else if (code !== 200) {
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toast(msg);
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reject(resData);
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} else {
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// ✅ 缓存成功响应
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requestCache.set(requestKey, {
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response: resData,
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expiry: Date.now() + 5000 // 缓存 5 秒
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});
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resolve(resData);
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}
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}).catch(error => {
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let { message } = error;
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if (message === 'Network Error') {
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message = '后端接口连接异常';
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} else if (message.includes('timeout')) {
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message = '系统接口请求超时';
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} else if (message.includes('Request failed with status code')) {
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message = '系统接口' + message.substr(message.length - 3) + '异常';
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}
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toast(message);
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reject(error);
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}).finally(() => {
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// ✅ 清理 pendingRequests
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pendingRequests.delete(requestKey);
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});
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}, 500); // ✅ 防抖时间 500ms
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pendingRequests.set(requestKey, { timer });
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});
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}
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export default request;
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