axios

delete.vue

var vm = new Vue ({
  el: '#app',
  data: {
    result: ''
  },

  created: function(){
    this.getResult();
  },

  methods: {

    deleteData: function(result, id) {
      axios.delete('https://my-json-server.typicode.com/json/posts/' + result.id)
      .then(response => {
        this.result.splice(id, 1)
        console.log(this.result);
      });
    },

    getResult: function() {
      // this.results = 'Loading...';
      axios.get('https://my-json-server.typicode.com/json/db')
      .then(response => {
        // console.log(response.data);
        this.result = response.data.posts;
        console.log(this.result);
      });
    }
  }
  });

get.vue

<template>
  <ul v-if="posts && posts.length">
    <li v-for="post of posts">
      <p><strong>{{post.title}}</strong></p>
      <p>{{post.body}}</p>
    </li>
  </ul>

  <ul v-if="errors && errors.length">
    <li v-for="error of errors">
      {{error.message}}
    </li>
  </ul>
</template>

<script>
import axios from 'axios';

export default {
  data() {
    return {
      posts: [],
      errors: []
    }
  },

  // Fetches posts when the component is created.
  created() {
    axios.get(`http://jsonplaceholder.typicode.com/posts`)
    .then(response => {
      // JSON responses are automatically parsed.
      this.posts = response.data
    })
    .catch(e => {
      this.errors.push(e)
    })

    // async / await version (created() becomes async created())
    //
    // try {
    //   const response = await axios.get(`http://jsonplaceholder.typicode.com/posts`)
    //   this.posts = response.data
    // } catch (e) {
    //   this.errors.push(e)
    // }
  }
}
</script>

http-comon.js

import axios from 'axios';

export const HTTP = axios.create({
  baseURL: `http://jsonplaceholder.typicode.com/`,
  headers: {
    Authorization: 'Bearer {token}'
  }
})

http.vue

<script>
import {HTTP} from './http-common';

export default {
  data() {
    return {
      posts: [],
      errors: []
    }
  },

  created() {
    HTTP.get(`posts`)
    .then(response => {
      this.posts = response.data
    })
    .catch(e => {
      this.errors.push(e)
    })
  }
}
</script>

post.vue

axios.post('/save', { firstName: 'Marlon', lastName: 'Bernardes' })
    .then(function(response){
        console.log('saved successfully')
});

put.vue

axios.put('https://example.com/cats/1', {
    name: 'Catsandra',
    image: 'https://example.com/images/catsandra.jpg',
    description: 'Catsandra is the fanciest cat in town!'
  })
  .then(response => {
    console.log(response);
  })
  .catch(error => {
    console.log(err);
  });

update.vue

<template>
  <input type="text" v-model="postBody" @change="postPost()"/>
  <ul v-if="errors && errors.length">
    <li v-for="error of errors">
      {{error.message}}
    </li>
  </ul>
</template>

<script>
import axios from 'axios';

export default {
  data() {
    return {
      postBody: '',
      errors: []
    }
  },

  // Pushes posts to the server when called.
  postPost() {
    axios.post(`http://jsonplaceholder.typicode.com/posts`, {
      body: this.postBody
    })
    .then(response => {})
    .catch(e => {
      this.errors.push(e)
    })

    // async / await version (postPost() becomes async postPost())
    //
    // try {
    //   await axios.post(`http://jsonplaceholder.typicode.com/posts`, {
    //     body: this.postBody
    //   })
    // } catch (e) {
    //   this.errors.push(e)
    // }
  }
}
</script>