20181205——Vue中的axios

axios安装

npm install axios

基本使用方法
get请求

getCityInfo () {
      axios.get('/api/city.json')
        .then(this.handleGetCityInfoSucc)
    },

//来自我的travel中的代码

// Make a request for a user with a given ID
axios.get('/user?ID=12345')
  .then(function (response) {
    console.log(response);
  })
  .catch(function (error) {
    console.log(error);
  });

// Optionally the request above could also be done as
axios.get('/user', {
    params: {
      ID: 12345
    }
  })
  .then(function (response) {
    console.log(response);
  })
  .catch(function (error) {
    console.log(error);
  });

POST请求

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

同时执行多个请求

function getUserAccount() {
  return axios.get('/user/12345');
}

function getUserPermissions() {
  return axios.get('/user/12345/permissions');
}

axios.all([getUserAccount(), getUserPermissions()])
  .then(axios.spread(function (acct, perms) {
    // Both requests are now complete
  }));

axios API

Response
当我们ajax获取数据成功后会返回一个response对象，它包含了以下内容：

{
  // `data` is the response that was provided by the server
  data: {},

  // `status` is the HTTP status code from the server response
  status: 200,

  // `statusText` is the HTTP status message from the server response
  statusText: 'OK',

  // `headers` the headers that the server responded with
  headers: {},

  // `config` is the config that was provided to `axios` for the request
  config: {}
}

为何放弃vue-resource
最近团队讨论了一下，Ajax 本身跟 Vue 并没有什么需要特别整合的地方，使用 fetch polyfill 或是 axios、superagent 等等都可以起到同等的效果，vue-resource 提供的价值和其维护成本相比并不划算，所以决定在不久以后取消对 vue-resource 的官方推荐。已有的用户可以继续使用，但以后不再把 vue-resource 作为官方的 ajax 方案。

20181205——Vue中的axios

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