$ npm install axios

// POST
axios.post('/user', {
 firstName: 'Fred',
 lastName: 'Flintstone'
 })
 .then(function (response) {
 console.log(response);
 })
 .catch(function (error) {
 console.log(error);
 });

// GET
axios.get('/user', {
 params: {
  ID: 12345
 }
 })
 .then(function (response) {
 console.log(response);
 })
 .catch(function (error) {
 console.log(error);
 });

// 执行多个并发
axios.all([get1(), get2()])
 .then(axios.spread(function (acct, perms) {
 // 两个请求现在都执行完成
 }));

axios({
 method: 'post',
 url: '/user/12345',
 data: {
 firstName: 'Fred',
 lastName: 'Flintstone'
 }
});

axios({
 url:'/api/connect/token',
 method: 'post',
 data: {
   firstName: 'Fred',
   lastName: 'Flintstone'
  }
 }).then(res => {
  console.log(1234, res.data)
 }).catch(error => {
  console.log(error)
 })

Request Payload
{ firstName: "Fred", lastName: "Flintstone"}

axios({
 url:'/api/connect/token',
 method: 'post',
 data: {
   firstName: 'Fred',
   lastName: 'Flintstone'
  },
 headers: {
   'Content-type': 'application/x-www-form-urlencoded'
  }
 }).then(res => {
  console.log(1234, res.data)
 }).catch(error => {
  console.log(error)
 })

Form Data
{"firstName":"Fred","lastName":"Flintstone"}: 

axios({
 url:'/api/connect/token',
 method: 'post',
 data: JSON.stringify({
   firstName: 'Fred',
   lastName: 'Flintstone'
  })
 }).then(res => {
  console.log(1234, res.data)
 }).catch(error => {
  console.log(error)
 })

Form Data
{"firstName":"Fred","lastName":"Flintstone"}: 

import qs from 'qs'
axios({
 url:'/api/connect/token',
 method: 'post',
 data: qs.stringify({
   firstName: 'Fred',
   lastName: 'Flintstone'
  })
 }).then(res => {
  console.log(1234, res.data)
 }).catch(error => {
  console.log(error)
 })

Request Headers
Content-Type: application/x-www-form-urlencoded

Form Data
firstName: Fred
lastName: Flintstone

qs.stringify({ 
 a: { 
  b: { 
   c: 'd', e: 'f' 
  } 
 } 
}, { allowDots: true });
// 'a.b.c=d&a.b.e=f'