const GET = 'GET';
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const POST = 'POST';
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const PUT = 'PUT';
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const FORM = 'FORM';
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const DELETE = 'DELETE';
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import config from '@/config/index.js'
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import { clearJPushAliasBinding } from '@/utils/push.js'
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const baseURL = config.BASE_URL;
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const waitingList = [] //等待队列
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const excutingList = [] //执行队列
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let appAuthRedirecting = false
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/**
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* 判断当前响应码是否属于成功态。
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*/
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function isSuccessCode(code) {
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return code === 0 || code === 200
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}
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/**
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* 从响应体中提取可展示的错误文案。
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*/
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function resolveMessage(payload) {
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if (!payload) {
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return '服务器错误'
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}
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if (typeof payload.data === 'string' && payload.data) {
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return payload.data
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}
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return payload.msg || payload.message || '服务器错误'
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}
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/**
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* 统一发起请求，并兼容当前仓库 `code=0` 的后端成功协议。
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*/
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function request(method, url, data, type, lodingFlag = true) {
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if (lodingFlag) {
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uni.showLoading({
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mask: true,
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})
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}
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return new Promise(function(resolve, reject) {
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let token = uni.getStorageSync('token')
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let header = {
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'content-type': type ? 'application/x-www-form-urlencoded;charset=UTF-8' : 'application/json',
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'Authorization': token,
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'lang': uni.getStorageSync('locale') === 'zh-Hans' ? 'zh_CN' : 'zh-tw',
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}
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const requestTask = uni.request({
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url: baseURL + url,
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method: method,
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data: data,
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header: header,
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success: (res) => {
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if (lodingFlag) {
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uni.hideLoading()
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}
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const payload = res.data || {}
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if (isSuccessCode(payload.code)) {
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resolve(payload);
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return
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}
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if (payload.code == 502) {
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resolve(payload);
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uni.showToast({
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title: resolveMessage(payload),
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duration: 2000,
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icon: 'none',
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mask: true,
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})
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return
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}
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if (payload.code == 1 || payload.code == 500) {
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uni.showToast({
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title: resolveMessage(payload),
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duration: 2000,
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icon: 'none',
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mask: true,
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})
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resolve(payload)
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return
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}
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if (payload.code == 401 || payload.code == 510 || payload.code == 504 || payload.code == 505) {
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handleUnauthorized(payload)
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resolve(payload)
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return
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}
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if (payload.code == 501) {
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uni.showToast({
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title: resolveMessage(payload),
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duration: 2000,
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icon: 'none',
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mask: true,
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})
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resolve(payload)
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return
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}
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if (payload.code == 506) {
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resolve(payload);
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return
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}
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uni.showToast({
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title: resolveMessage(payload),
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duration: 2000,
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icon: 'none',
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mask: true,
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})
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resolve(payload)
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},
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fail(err) {
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if (lodingFlag) {
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uni.hideLoading()
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}
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reject(err)
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},
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complete: () => {
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const excutingIndex = excutingList.findIndex(item => item === requestTask)
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excutingList.splice(excutingIndex, 1)
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const [apiFn] = waitingList
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if (excutingList.length === 0 && typeof apiFn === 'function') {
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apiFn()
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waitingList.splice(0, 1)
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}
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},
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})
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excutingList.push(requestTask)
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})
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}
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/**
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* 收到未登录响应时清理 APP 登录态并跳转登录页。
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*/
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function handleUnauthorized(payload) {
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const routeStr = getCurrentRoute()
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clearLoginSession()
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clearAllRequest()
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if (routeStr === 'pages/login/login' || appAuthRedirecting) {
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return
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}
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appAuthRedirecting = true
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uni.showToast({
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title: resolveMessage(payload) || '请先登录',
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duration: 1500,
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icon: 'none',
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mask: true,
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})
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setTimeout(() => {
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uni.reLaunch({
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url: '/pages/login/login'
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})
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setTimeout(() => {
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appAuthRedirecting = false
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}, 300)
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}, 150)
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}
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/**
|
* 清除 APP 登录态缓存。
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*/
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function clearLoginSession() {
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uni.removeStorageSync('token')
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uni.removeStorageSync('appUserInfo')
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uni.removeStorageSync('loginRedirectMeta')
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uni.setStorageSync('showLogoutModal', 0)
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clearJPushAliasBinding()
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}
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/**
|
* 获取当前页面路由，便于避免在登录页重复跳转。
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*/
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function getCurrentRoute() {
|
const currentPages = getCurrentPages()
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if (!currentPages || currentPages.length === 0) {
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return ''
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}
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return currentPages[currentPages.length - 1].route || ''
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}
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/**
|
* 清除请求队列。
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*/
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function clearAllRequest() {
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if (excutingList.length > 0) {
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for (var i = 0; i < excutingList.length; i++) {
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const item = excutingList[i]
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if (item && item.abort) {
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item.abort()
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}
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}
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excutingList.length = 0
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waitingList.length = 0
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}
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}
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/**
|
* 发起 GET 请求。
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*/
|
function get(url, data, type = false, lodingFlag = true) {
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return request(GET, url, data, type, lodingFlag)
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}
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/**
|
* 发起 POST 请求。
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*/
|
function post(url, data, type = false, lodingFlag = true) {
|
return request(POST, url, data, type, lodingFlag)
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}
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/**
|
* 发起 PUT 请求。
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*/
|
function put(url, data, type = false, lodingFlag = true) {
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return request(PUT, url, data, type, lodingFlag)
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}
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/**
|
* 发起表单编码请求。
|
*/
|
function form(url, data, type = false, lodingFlag = true) {
|
return request(FORM, url, data, type, lodingFlag)
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}
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/**
|
* 发起 DELETE 请求。
|
*/
|
function remove(url, data, type = false, lodingFlag = true) {
|
return request(DELETE, url, data, type, lodingFlag)
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}
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export default {
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get,
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post,
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put,
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FORM: form,
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delete: remove,
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}
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