template代码
<van-picker ref="myPicker" show-toolbar :columns="myList" title="选择城市" @cancel="onClose" @confirm="onConfirm" />
js代码
this.$nextTick(() =>{
this.$refs.myPicker.setIndexes([0])
})
template代码
<van-picker ref="myPicker" show-toolbar :columns="myList" title="选择城市" @cancel="onClose" @confirm="onConfirm" />
js代码
this.$nextTick(() =>{
this.$refs.myPicker.setIndexes([0])
})本文标题：vue 中 vant-picker 动态设置默认选项
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