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116 lines
3.0 KiB
116 lines
3.0 KiB
import { config } from '../config.js'
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import { store } from './store.js'
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const Method = {
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GET: 'GET',
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POST: 'POST'
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}
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// 定义一些通用常量
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const HTTPConst = {
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TokenURL: '/api/miniuser/getToken'
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}
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class HTTP {
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constructor() {
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this.baseUrl = config.api_url
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}
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request = (params) => {
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// 从缓存中读取 token
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// let token = wx.getStorageSync(HTTPConst.TokenStoreKey) || ''
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const token = store.readToken()
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let url = this.baseUrl + params.url
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//console.log(params.url)
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if (!params.method) {
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params.method = Method.GET
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}
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// token 拼接到 请求体中
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let data = params.data
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//console.log('请求Header和Body参数：')
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let header = {
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'token': token,
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'content-type': 'application/json',
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}
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//console.log(header)
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//console.log(data || {})
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wx.request({
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url: url,
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data: data,
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header: header,
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method: params.method,
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dataType: 'json',
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success: (res) => {
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//console.log(res.data)
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let code = res.statusCode.toString()
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let startCode = code.charAt(0)
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if (startCode == '2') {
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if (res.data.code == 200 || res.data.code == 0) {
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params.success && params.success(res.data)
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} else if (res.data.code == 302) {
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// token 无效
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this.fetchAuthToken(res => {
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// 请求Token后，重新请求URL
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if (res.code == 200) {
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this.request(params)
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}
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})
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} else {
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//console.log('数据请求失败')
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wx.showToast({
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title: res.data.message || '服务器错误，请稍后重试',
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icon: 'none'
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})
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}
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} else {
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//console.log('请求错误')
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wx.showToast({
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title: '服务器错误！',
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icon: 'none'
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})
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params.error && params.error(res)
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}
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},
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fail: function (res) {
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wx.showToast({
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title: '网络连接错误，请求稍后重试！',
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icon: 'none'
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})
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params.fail && params.fail(res)
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},
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})
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}
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// 获取 Token
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fetchAuthToken (success) {
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// 获取token
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this._fetchWXCode().then(res => {
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//console.log('啦啦啦啦凉啊')
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//console.log(res)
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if (!res) return
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let params = {
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url: HTTPConst.TokenURL,
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method: Method.POST,
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data: {
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code: res
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},
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success: (data) => {
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// 将获取到的token存放起来
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const { token, userInfo } = data.result
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store.saveToken(token)
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store.saveUserInfo(userInfo)
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success(data)
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},
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}
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this.request(params)
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})
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}
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// 获取微信code
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_fetchWXCode () {
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return new Promise(resolve => {
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wx.login({
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success (res) {
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//console.log('获取Code成功 ' + res.code)
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resolve(res.code)
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}
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})
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})
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}
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}
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export { HTTP, Method, HTTPConst }
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