index.vue
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<template>
<el-button-group v-bind="$attrs">
<slot></slot>
</el-button-group>
</template>
<script setup lang="ts">
/**
* 垂直按钮组
* Element官方的按钮组只支持水平显示，通过重写样式实现垂直布局
*/
defineOptions({ name: 'VerticalButtonGroup' })
</script>
<style scoped lang="scss">
.el-button-group {
display: inline-flex;
flex-direction: column;
}
.el-button-group > :deep(.el-button:first-child) {
border-bottom-color: var(--el-button-divide-border-color);
border-top-right-radius: var(--el-border-radius-base);
border-bottom-right-radius: 0;
border-bottom-left-radius: 0;
}
.el-button-group > :deep(.el-button:last-child) {
border-top-color: var(--el-button-divide-border-color);
border-top-right-radius: 0;
border-bottom-left-radius: var(--el-border-radius-base);
border-top-left-radius: 0;
}
.el-button-group :deep(.el-button--primary:not(:first-child, :last-child)) {
border-top-color: var(--el-button-divide-border-color);
border-bottom-color: var(--el-button-divide-border-color);
}
.el-button-group > :deep(.el-button:not(:last-child)) {
margin-right: 0;
margin-bottom: -1px;
}
</style>