vue +axios+promise封装

import axios                from 'axios'

import {Message}from 'element-ui'

import router from '../router/permission'

import Vuefrom 'vue'

import VueCookiesfrom 'vue-cookies'

const moment =require('moment');

const Base64 =require('js-base64').Base64;

// loading框设置局部刷新,且所有请求完成后关闭loading框

var loading;

function startLoading() {

loading = Vue.prototype.$loading({

lock:true,

text:"Loading...",

target:document.querySelector('.loading-area')//设置加载动画区域

  });

}

function endLoading() {

loading.close();

}

// 声明一个对象用于存储请求个数

var needLoadingRequestCount =0;

function showFullScreenLoading() {

if (needLoadingRequestCount ===0) {

startLoading();

}

needLoadingRequestCount++;

};

function tryHideFullScreenLoading() {

if (needLoadingRequestCount <=0)return;

needLoadingRequestCount--;

if (needLoadingRequestCount ===0) {

endLoading();

}

};

// 请求拦截

axios.interceptors.request.use(config => {

let token ="";

showFullScreenLoading();

if(VueCookies.isKey('userinfo')) {

const USERINFO = VueCookies.get('userinfo');

if(config.method =='get') {

token =Base64.encode(USERINFO.token +'|' +moment().utc().format('YYY-MM-DD HH:mm:ss' +'|' +JSON.stringify(config.params)));

config.params.hospitalId =USERINFO.hospitalId;

}else {

token =Base64.encode(USERINFO.token +'|' +moment().utc().format('YYY-MM-DD HH:mm:ss' +'|' +JSON.stringify(config.data)));

config.data.hospitalId =USERINFO.hospitalId;

}

let TOKENSTART =token.slice(0,10),

TOKENEND =token.slice(10);

token =TOKENEND +TOKENSTART;

config.headers['token'] =token;

}

return config;

}, err => {

tryHideFullScreenLoading();

Message.error({message:'请求超时!' });

return Promise.resolve(err);

})

// 响应拦截

axios.interceptors.response.use(res => {

tryHideFullScreenLoading();

switch(res.data.code) {

case 200:

return res.data.result;

case 401:

router.push('/login');

VueCookies.remove('userinfo');

return Promise.reject(res);

case 201:

Message.error({message: res.data.msg });

return Promise.reject(res);

default :

return Promise.reject(res);

}

}, err => {

tryHideFullScreenLoading();

if(!err.response.status) {

return false;

}

switch(err.response.status) {

case 504:

Message.error({message:'服务器被吃了⊙﹏⊙∥' });

break;

case 404:

Message.error({message:'服务器被吃了⊙﹏⊙∥' });

break;

case 403:

Message.error({message:'权限不足,请联系管理员!' });

break;

default:

return Promise.reject(err);

}

})

axios.defaults.timeout =300000;// 请求超时5fen

export const postJsonRequest = (url, params) => {

return axios({

method:'post',

url: url,

data: params,

headers: {

'Content-Type':'application/json',

},

});

}

export const postRequest = (url, params) => {

return axios({

method:'post',

url: url,

data: params,

transformRequest: [function (data) {

let ret =''

      for (let it in data) {

ret +=encodeURIComponent(it) +'=' +encodeURIComponent(data[it]) +'&'

      }

return ret

    }],

headers: {

'Content-Type':'application/x-www-form-urlencoded'

    }

});

}

export const getRequest = (url, data ='') => {

return axios({

method:'get',

params: data,

url: url,

});

}

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