laravel5.4フレームワークのVue.jsはAjaxフォーム送信エラー検証を実装します

Route::get('post/create', 'PostController@create');
Route::post('post/save', 'PostController@save');

php artisan make:controller PostController

public function create() {
    return view('post.create');
}
public function save(Request $request) {
    // 设置验证规则
    $this->validate($request, [
         'title' => 'required',
         'body'  => 'required'
     ]);
}

php artisan make:auth

@extends('layouts.app')
@section('content')
    <div class="container">
        <!--创建成功显示消息-->
        <div class="alert alert-success" v-if="submitted">
            创建成功!
        </div>
        <!--页面提交之后阻止刷新-->
        <form @submit.prevent="createPost" method="POST">
            <legend>创建文章</legend>
            <!--如果title字段验证失败则添加.has-error-->
            <div class="form-group" :class="{&#39;has-error&#39;:errors.title}">
                <label>文章标题</label>
                <input type="text" name="title" class="form-control" v-model="post.title" value="{{ old(&#39;title&#39;) }}">
                <!--如果验证失败通过FormError组件显示错误信息-->
                <form-error v-if="errors.title" :errors="errors">
                    @{{errors.title.join(&#39;,&#39;)}}
                </form-error>
            </div>
            <!--如果body字段验证失败则添加.has-error-->
            <div class="form-group" :class="{&#39;has-error&#39;:errors.body}">
                <label>文章正文</label>
                <textarea name="body" class="form-control" rows="5" v-model="post.body">{{ old(&#39;body&#39;) }}</textarea>
                <!--如果验证失败通过FormError组件显示错误信息-->
                <form-error v-if="errors.body" :errors="errors">
                    @{{errors.body.join(&#39;,&#39;)}}
                </form-error>
            </div>
            <button type="submit" class="btn btn-primary">创建文章</button>
        </form>
    </div>
@endsection

var app = new Vue({
    el: '#app',
    data: {
        post: {
            title: '',
            body: ''
        },
        errors: [],
        submitted: false
    },
    methods: {
        createPost: function () {
            var self = this;
            axios.post('/post/save', self.post).then(function(response) {
                // form submission successful, reset post data and set submitted to true
                self.post = {
                    title: '',
                    body: '',
                };
                // clear previous form errors
                self.errors = '';
                self.submitted = true;
            }).catch(function (error) {
                // form submission failed, pass form  errors to errors array
                self.errors = error.response.data;
            });
        }
    }
});

<template>
    <span class="help-block">
        <slot></slot>
    </span>
</template>
<script>
    export default {
        props: [&#39;errors&#39;]
    }
</script>

Vue.component('form-error', require('./components/FormError.vue'));

npm run dev