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oneao committed 2025-09-08 20:51:05 +08:00
1 parent 869900f7f0
commit 5a3f484b8b
2 files changed
+124 -97

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@@ -1,18 +1,20 @@
import type { VNode } from 'vue'
import { arrow, offset, useFloating } from '@floating-ui/vue'
import { cloneVNode, defineComponent, onMounted, ref, Teleport ,watch} from 'vue'
import {
cloneVNode,
defineComponent,
nextTick,
onMounted,
ref,
Teleport,
watch,
} from 'vue'
import { getPrefixCls } from '../_utils/getPrefixCls'
export default defineComponent({
name: 'APopup',
props: {
/**
* 触发方式
* - 'hover': 鼠标悬停显示/隐藏
* - 'click': 点击切换显示/隐藏
* - 'focus': 聚焦显示,失焦隐藏
*/
trigger: {
type: String as () => 'hover' | 'click' | 'focus',
default: 'hover',
@@ -20,99 +22,124 @@ export default defineComponent({
},
setup(props, { slots }) {
const prefixCls = getPrefixCls('popup')
const triggerRef = ref<HTMLElement | null>(null)
const floatingRef = ref<HTMLElement | null>(null)
const arrowRef = ref<HTMLElement | null>(null)
const visible = ref(false)
// 使用 useFloating 管理浮动层和箭头
const { floatingStyles, middlewareData } = useFloating(
triggerRef,
floatingRef,
{
placement: 'top',
middleware: [offset(10), arrow({ element: arrowRef })],
},
)
// 浮层样式和箭头数据
const floatingStyles = ref({})
const middlewareData = ref({ arrow: {} as any })
// 监听 triggerRef 挂载完成
onMounted(() => {
console.log('triggerRef 已挂载:', triggerRef.value) // 正确打印
// 可以在此处调用 useFloating 的更新逻辑(如果有需要)
})
watch(triggerRef, (newVal) => {
if (newVal !== null) {
console.log('triggerRef 已挂载:', newVal) // 正确打印 DOM 元素
}
}, { immediate: true }) // 立即执行一次(可选)
let floatingInstance: ReturnType<typeof useFloating> | null = null
// 显示/隐藏/切换浮动层
const showPopup = () => (visible.value = true)
const hidePopup = () => (visible.value = false)
const togglePopup = () => (visible.value = !visible.value)
// 初始化 FloatingUI,确保触发节点 DOM 已挂载
const initFloating = async () => {
if (!triggerRef.value || floatingInstance)
return
await nextTick()
const { x, y, strategy, middlewareData: md, update } = useFloating(
triggerRef,
floatingRef,
{
placement: 'top',
middleware: [offset(10), arrow({ element: arrowRef })],
},
)
floatingInstance = { x, y, strategy, middlewareData: md, update }
// watch 可见性变化,更新位置
watch(
visible,
(v) => {
if (v && floatingInstance?.update)
floatingInstance.update()
},
)
// watch x/y 变化,实时更新样式
watch([x, y, md], () => {
floatingStyles.value = {
position: strategy.value,
left: `${x.value ?? 0}px`,
top: `${y.value ?? 0}px`,
}
middlewareData.value = md.value
}, { immediate: true })
}
// popup 显隐
const showPopup = () => { visible.value = true; initFloating() }
const hidePopup = () => { visible.value = false }
const togglePopup = () => { visible.value = !visible.value; initFloating() }
// 绑定事件
const eventProps: Record<string, (e: Event) => void> = {}
if (props.trigger === 'hover') {
eventProps.onMouseenter = () => showPopup()
eventProps.onMouseleave = () => hidePopup()
eventProps.onMouseenter = showPopup
eventProps.onMouseleave = hidePopup
}
else if (props.trigger === 'click') {
eventProps.onClick = () => togglePopup()
eventProps.onClick = togglePopup
}
else if (props.trigger === 'focus') {
eventProps.onFocus = () => showPopup()
eventProps.onBlur = () => hidePopup()
eventProps.onFocus = showPopup
eventProps.onBlur = hidePopup
}
// 获取 reference 插槽或默认插槽
const slotContent = slots.reference?.() || slots.default?.() || []
let triggerSlot: VNode | null = null
return () => {
const slotContent = slots.reference?.() || slots.default?.() || []
let triggerSlot: VNode | null = null
// 单元素直接绑定事件,多元素套 span
if (slotContent.length === 1) {
triggerSlot = cloneVNode(slotContent[0], {
ref: triggerRef,
...eventProps,
})
}
else if (slotContent.length > 1) {
triggerSlot = (
<span ref={triggerRef} style="display: inline-flex;">
{slotContent.map(vnode => cloneVNode(vnode, { ...eventProps }))}
</span>
)
}
if (slotContent.length === 1) {
const child = slotContent[0]
const isHoisted = child.patchFlag != null && child.patchFlag === -1
return () => (
<>
{/* 原位渲染触发元素 */}
{triggerSlot}
if (!isHoisted) {
triggerSlot = cloneVNode(child, { ref: triggerRef, ...eventProps })
}
else {
triggerSlot = (
<span ref={triggerRef} style="display:inline-flex;" {...eventProps}>
{slotContent.map(v => cloneVNode(v))}
</span>
)
}
}
else {
triggerSlot = (
<span ref={triggerRef} style="display:inline-flex;" {...eventProps}>
{slotContent.map(v => cloneVNode(v))}
</span>
)
}
{/* 浮动层挂载到 body */}
<Teleport to="body">
{visible.value && (
<div ref={floatingRef} class={prefixCls} style={floatingStyles}>
Popup 内容
<div
class={`${prefixCls}-arrow`}
ref={arrowRef}
style={{
position: 'absolute',
left:
middlewareData.value.arrow?.x != null
return (
<>
{triggerSlot}
<Teleport to="body">
{visible.value && (
<div ref={floatingRef} class={prefixCls} style={floatingStyles.value}>
Popup 内容
<div
class={`${prefixCls}-arrow`}
ref={arrowRef}
style={{
position: 'absolute',
left: middlewareData.value.arrow?.x != null
? `${middlewareData.value.arrow.x}px`
: undefined,
top:
middlewareData.value.arrow?.y != null
top: middlewareData.value.arrow?.y != null
? `${middlewareData.value.arrow.y}px`
: undefined,
}}
/>
</div>
)}
</Teleport>
</>
)
}}
/>
</div>
)}
</Teleport>
</>
)
}
},
})
+19 -19
View File
@@ -1,22 +1,22 @@
<script lang="ts">
<script lang="ts">
</script>
</script>
<template>
<div class="page-center">
<APopup trigger="click">
<AButton style="margin-right: 12px;">
测试
</AButton>
</APopup>
</div>
</template>
<template>
<div class="page-center">
<APopup trigger="click">
<button style="margin-right: 12px;">
测试
</button>
</APopup>
</div>
</template>
<style scoped>
.page-center {
display: flex;
justify-content: center; /* 水平居中 */
align-items: center; /* 垂直居中 */
height: 800px; /* 高度撑满整个视口 */
}
</style>
<style scoped>
.page-center {
display: flex;
justify-content: center; /* 水平居中 */
align-items: center; /* 垂直居中 */
height: 800px; /* 高度撑满整个视口 */
}
</style>