Vue2 修改值问题页面变化？-灵析社区

vue2不会监听对象属性的新增（[深入响应式原理](https://link.segmentfault.com/?enc=iHW2toUE7ozDbdVnZYYJFA%3D%3D.iq8GRKxwlPPz8qI9X5ZV4LpGm6wpMtIl8QwvDwM%2BcYa5DYNPrkjQ1OQvcl5uRFvC2BRmsJDX8HLrDAnnZV8zIj20vPkCJFWt133aV04sO5eK%2FNMypRrVpz%2BpFJXQ5qvw)），可以考虑使用 [$set](https://link.segmentfault.com/?enc=lxJ8FQCNtVZszAgqTWzldg%3D%3D.kr%2BEv8NtC8iSE2a3Kc6Yuk8TkN0SpsuvjGdEQcIIUVpJZqj%2FaFn723ucl1yFCxjw) 来设置，或者给 `this.obj` 整个对象赋值 正好之前写过一篇分享笔记，你可以阅读一下 👉 [为什么v-model绑定的对象属性不是总是响应式？](https://link.segmentfault.com/?enc=SSq6MCvfVFjvAfIKl%2Ff5vQ%3D%3D.Gudckz5ZTkRinYGzpkaTINN3bq%2BXalHXA9NXpBS4HPAqgkhnjSZPWld7JLH7RdutMEBbYU16YbeL%2FOn1OPNu1sMe%2BJKzs6pSIuMYGvwFnNO1etkYU6vm%2BCi6xVZi%2Ffaj)