vue函数传参设默认值

回答: 在Vue中，可以使用props来接收父组件传递的参数，并且可以为props设置默认值。在子组件中，可以通过设置default属性来指定props的默认值，例如：num: { default: 0 }。此外，还可以通过type属性指定传值的类型，以及通过required属性来指定是否必须传值。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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