Vue.js的在线引用： 

CDN最新版：<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> 

unpkg最新版：<script src="https://unpkg.com/vue/dist/vue.js"></script>  

DEMO： 

    <script src="https://unpkg.com/vue/dist/vue.js"></script>
    <div id="app">
        <span>{{ msg + ' !!!' }}</span><br />
        <span>{{ num + 1 }}</span>
    </div>
    <script>
        new Vue({
            el: "#app",
            data: {
                msg: "hello word",
                num:1,
            },
        });
    </script>

 相关资料：

vue.js 简单应用：{{模板输出}}|v-show显示|v-if渲染|v-on事件|v-on修饰|v-for循环|v-bind属性|v-model绑定|AJAX调用

Vue.js + jQuery Ajax 进行INSERT和SELECT操作