JSON サーバーを使用して Vue プロジェクトにモックデータを実装する

npm install -g json-server

{
  "posts": [
    { "id": 1, "title": "json-server", "author": "typicode" },
    { "id": 2, "title": "Vue.js", "author": "Evan You" }
  ],
  "comments": [
    { "id": 1, "body": "some comment", "postId": 1 },
    { "id": 2, "body": "some other comment", "postId": 2 }
  ]
}

"scripts": {
  "json-server": "json-server --watch db.json"
},

npm run json-server

npm install axios --save

import axios from 'axios';

const BASE_URL = 'http://localhost:3000/';

axios.defaults.baseURL = BASE_URL;

export function getPosts() {
  return axios.get('posts').then((res) => {
    return res.data;
  });
}

export function getPostById(id) {
  return axios.get(`posts/${id}`).then((res) => {
    return res.data;
  });
}

export function addPost(post) {
  return axios.post('posts', post).then((res) => {
    return res.data;
  });
}

export function updatePost(id, post) {
  return axios.put(`posts/${id}`, post).then((res) => {
    return res.data;
  });
}

export function deletePost(id) {
  return axios.delete(`posts/${id}`).then((res) => {
    return res.data;
  });
}

<template>
  <ul>
    <li v-for="post in posts" :key="post.id">
      {{ post.title }}
    </li>
  </ul>
</template>

<script>
import { getPosts } from '@/api';

export default {
  data() {
    return {
      posts: [],
    };
  },
  created() {
    this.fetchData();
  },
  methods: {
    fetchData() {
      getPosts().then((data) => {
        this.posts = data;
      });
    },
  },
};
</script>