vue中 v-bind 与 v-model的区别

写程序的时候突然有点模糊了二者的区别
v-bind 可以说是绑定的原始固有属性，但仅是单向绑定
v-model 从官方文档的限制可以看到作用的领域，双向绑定

v-model的限制：

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