prevent_drowning_app/utils/request.js

import { encrypt, decrypt } from '@/utils/jsencrypt'
import store from '@/store'
import config from '@/config'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import { toast, showConfirm, tansParams } from '@/utils/common'

let timeout = 60000
const baseUrl = config.baseUrl
var confirmflag = config.confirmflag
// 获取账号密码
var newObj=JSON.parse(JSON.stringify(uni.getStorageSync('account')))
var username=newObj.username;
var password=newObj.password;
if(newObj){
	password=decrypt(newObj.password);		
}
var captchaEnabled=newObj.captchaEnabled;
const request = config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  config.header = config.header || {}
  if (getToken() && !isToken) {
    config.header['Authorization'] = 'Bearer ' + getToken()
  }
  // get请求映射params参数
  if (config.params) {
    let url = config.url + '?' + tansParams(config.params)
    url = url.slice(0, -1)
    config.url = url
  }
  if(config.lhide){
  	  uni.showLoading({
  	  	title:"加载中"
  	  })
  }else{
  	store.commit("switch_loading",true);
  }
  return new Promise((resolve, reject) => {
    uni.request({
        method: config.method || 'get',
        timeout: config.timeout ||  timeout,
        url: config.baseUrl || baseUrl + config.url,
        data: config.data,
        header: config.header,
        dataType: 'json'
      }).then(response => {
		  uni.hideLoading()
		  store.commit("switch_loading",false);
        let [error, res] = response
        if (error) {
          toast('后端接口连接异常')
          reject('后端接口连接异常')
          return
        }
        const code = res.data.code || 200
        const msg = errorCode[code] || res.data.msg || errorCode['default']
        if (code === 401) {
			if(confirmflag){
				// 利用 return 终止函数继续运行
				return false;
			}
			confirmflag = true;
			setTimeout(function(){
				var autologin=store.state.user.autologin;
				if(username&&password&&!captchaEnabled&&autologin){
					// 自动登录
					var loginForm={
						username:username,
						password:password,
						strfrom:'request'
					}
					store.dispatch('Login', loginForm).then((res) => {
					  setTimeout(function(){
						  store.dispatch('GetInfo').then(res => {
							uni.hideLoading()
						    // 刷新当前页
							var routes = getCurrentPages()
							// console.log(routes,1)
							if(routes.length){
								var route ='/'+routes[routes.length - 1].route;
								
								var fullPath =routes[routes.length - 1].options;
								// console.log(fullPath,23)
								var options={}
								if(JSON.stringify(fullPath)!='{}'){
									if(fullPath.data){
										options=JSON.parse(decodeURIComponent(fullPath.data))
										route=route+'?data='+encodeURIComponent(JSON.stringify(options))
									}else{
										//正常循环
										var keystr='?'
										Object.keys(fullPath).some((key,idx) => {
											if(idx==0){
												keystr+=key+'='+fullPath[key]
											}else{
												keystr+='&'+key+'='+fullPath[key]
											}
										})
										route=route+keystr
									}
								}
								uni.redirectTo({
									url:route
								})
							}else{
								// var roles=this.$store.state.user.roles;
								// if(roles.indexOf('user')!=-1){
								// 	this.$tab.reLaunch('/pages/index/home')
								// }else{
								// 	this.$tab.reLaunch('/pages/index/index')
								// }
							}
						  })
					  },500) 
					})
				}else{
					uni.hideLoading()
					store.dispatch('LogOut').then(res => {
						uni.reLaunch({ url: '/pages/login' })
					})
				}
			confirmflag = false;
			},2000)
          reject('无效的会话，或者会话已过期，请重新登录。')
        } else if (code === 500) {
          toast(msg)
          reject('500')
        } else if (code !== 200) {
          toast(msg)
          reject(code)
        }
        resolve(res.data)
      })
      .catch(error => {
		if(config.lhide){
		  }else{
			store.commit("switch_loading",false);
		  }
		uni.hideLoading()
        let { message } = error
        if (message === 'Network Error') {
          message = '后端接口连接异常'
        } else if (message.includes('timeout')) {
          message = '系统接口请求超时'
        } else if (message.includes('Request failed with status code')) {
          message = '系统接口' + message.substr(message.length - 3) + '异常'
        }
        toast(message)
        reject(error)
      })
  })
}

export default request