如何更改b-dropdown-component组件中b-dropdown-item-button的行为,以使其在单击时不会自动关闭?
该下拉菜单的语法结构如下:
<b-dropdown>
<b-dropdown-item-button>
<span>Mark as read</span>
<b-dropdown-item-button>
<b-dropdown-group>
// Messages are output here
</b-dropdown-group>
</bdropdown>
现在,我想知道如何在单击b-dropdown-item-button时如何防止下拉菜单关闭。
答案 0 :(得分:3)
在@click.native.capture.stop
的任何子组件上放置<b-dropdown>
指令将阻止其关闭下拉菜单。
例如:
<b-dropdown>
<b-dropdown-item-button @click.native.capture.stop>
<span>Mark as read</span>
<b-dropdown-item-button>
<b-dropdown-group @click.native.capture.stop>
// no click will exit the parent, therefore they won't close the dropdown
</b-dropdown-group>
</bdropdown>
答案 1 :(得分:0)
- 首先:提供您要保持显示的参考(即b-drowpdown)
- 然后创建一个onClick函数,该函数将在单击按钮时起作用
- 最终会显示this。$ refs.dropdown.show(true)下拉列表,该列表会覆盖默认设置
<template>
<b-dropdown ref="dropdown">
<b-dropdown-item-button @click="onClick">
<span>Mark as read</span>
<b-dropdown-item-button>
<b-dropdown-group>
// Messages are output here
</b-dropdown-group>
</b-dropdown>
</template>
<script>
export default {
methods: {
onClick() {
this.$refs.dropdown.show(true)
}
}
}
</script>