说明：  Vue是一套用于构建用户界面的渐进式框架。Vue用于构建数据驱动的，交互式的Web界面的库。它提供了MVVM数据绑定和一个可组合的组件系统，具有简单、灵活的API，Vue集成在MVVM模式上的试图模型层，并通过双向绑定连接视图和模型。本文档提供Vue 2的基础知识和代码实例。
(Vue is a progressive framework for building user interfaces. Vue is used to build a library of data-driven, interactive web interfaces. It provides MVVM data binding and a composable component system. It has a simple and flexible API. Vue integrates in the MVVM mode's attempt model layer, and connects views and models through two-way binding. This document provides the basics and code examples of Vue 2.)