znyc.second_hand.vue/utils/request.js

const app = getApp()
let flag = false
const obj = { //这里是要导出的函数
  xhr: function ({url = '',method = 'get',header = {}, data = {},baseUrl = app.globalData.serverUrl}) {
 
    let token = wx.getStorageSync('token')
    header = {
      'Content-Type': 'application/json',
    }
    if (token) {
      header['Authorization'] = `Bearer ${token}`
    }
    return new Promise((resolve, rejects) => {
      wx.request({
        url: `${baseUrl}${url}`,
        method,
        header,
        data,
        success: res => {
          if (res.data.code == 1 || res.data.code == 0||res.data.code == 2||res.data.code==3) {
            resolve(res.data)
            // wx.hideLoading()
          } else if (res.data.code == 401) {
            wx.showLoading({
              title: '正在登录...',
            })
            if (flag) {
              return
            }
            flag = true
            if (token) { // token失效
              flag = false
              this.login_fn().then(res => {
                wx.hideLoading()
                let shareType = wx.getStorageSync('shareType'),userId = wx.getStorageSync('userId')
                if(shareType && userId) app.share_add_integral(shareType,userId)
                return this.xhr({url,data,method}).then(res => {
                   resolve(res)
                   wx.hideLoading()
                 })
              })
            } else { // 新用户
              flag = false
              wx.hideLoading()
              wx.navigateTo({
                url: '/pages/login/login',
              })
            }
          } else {
            console.log(res,'未知错误')
          }
        },
        fail: err => {
          rejects(err)
          wx.hideLoading()
        }
      })
    })
  },
  login_fn() {
    return new Promise((resolve, rejects) => {
      let loginUserInfo = wx.getStorageSync('loginUserInfo');
      if (loginUserInfo) {
        wx.login({
          success: e => {
            let code = e.code;
            this.xhr({
              url: 'api/v1/login',
              method: 'post',
              data: {
                jsCode: code,
                wxUnifyUserAddInput: loginUserInfo
              }
            }).then(res => {
              wx.setStorageSync('token', res.data.token);
              wx.setStorageSync('loginUserInfo', loginUserInfo)
              resolve(res)
              // this.get_user_msg()
            }).catch(err => {
              rejects(err)
            })
          }
        })
      } else {
        let pages = getCurrentPages(),
          currentPage = pages[pages.length - 1];
        currentPage.setData({
          is_show_login: true
        })
      }
    })
  },
  get_user_msg(){
    return new Promise((resolve,rejects) => {
      this.xhr({
        url: `api/v1/user/unreadinformation`
      }).then(res => {
        resolve(res)
        wx.setStorageSync('msg', res.data)
      }).catch(err => {
        rejects(err)
      })
    })
  },
}

wx.axios = obj.xhr


module.exports = obj