Cannot read property 'open' of undefined
时间: 2023-11-14 08:27:51 浏览: 70
引用中提到,当出现"Cannot read property 'open' of undefined"错误时,可能是组件传参的问题。在Vue中,数据是单向流动的,意味着不能直接修改传递给组件的值。如果想要在点击展开时修改数据,就会导致报错。解决方法是在渲染字段之前加上v-if判断,判断值是否存在,再进行渲染。这样可以避免出现"Cannot read property 'open' of undefined"错误。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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