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wangzzpeng
2026-09-28 09:27:51 +08:00
parent 7bc84bbe5e
commit 6eb2bfcbfd
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<script setup lang="ts">
import { computed } from 'vue'
/**
* 项目中心分页器(按设计稿:小方块、当前页为**蓝色描边**而非填充)。
*
* <p>为什么不复用公共 `PaginationBar`:那个是 32px 实心选中态、服务多个页面,
* 与项目中心设计稿的 20px 描边样式不同,改它会波及其它页面。</p>
*/
interface Props {
page: number
pageSize: number
total: number
}
const props = defineProps<Props>()
const emit = defineEmits<{ pageChange: [page: number] }>()
const pageCount = computed(() => Math.max(1, Math.ceil(props.total / props.pageSize)))
/** 页码序列:≤7 全部展示,否则首尾 + 当前页窗口(… 省略) */
const pages = computed<Array<number | '...'>>(() => {
const n = pageCount.value
const { page } = props
if (n <= 7) return Array.from({ length: n }, (_, i) => i + 1)
const window: Array<number | '...'> = []
for (let p = page - 1; p <= page + 1; p++) {
if (p >= 1 && p <= n) window.push(p)
}
if (page > 3) window.unshift('...')
if (page < n - 2) window.push('...')
return [1, ...window.filter((item) => item !== 1 && item !== n), n].filter(
(item, index, arr) => arr.indexOf(item) === index,
)
})
function go(page: number): void {
if (page < 1 || page > pageCount.value || page === props.page) return
emit('pageChange', page)
}
</script>
<template>
<nav class="project-pager" aria-label="分页">
<button
type="button"
class="project-pager__btn"
:disabled="page <= 1"
@click="go(page - 1)"
>
‹
</button>
<button
v-for="(item, index) in pages"
:key="`${item}-${index}`"
type="button"
class="project-pager__btn"
:class="{ 'is-active': item === page, 'is-ellipsis': item === '...' }"
:disabled="item === '...'"
@click="go(item as number)"
>
{{ item }}
</button>
<button
type="button"
class="project-pager__btn"
:disabled="page >= pageCount"
@click="go(page + 1)"
>
›
</button>
</nav>
</template>
<style lang="less" scoped>
.project-pager {
.flex(row, flex-end, center);
gap: 4px;
margin-top: 15px;
&__btn {
.flex(row, center, center);
width: 20px;
height: 20px;
border: 1px solid @border-color-dark;
border-radius: 2px;
background: @white;
color: @heading-color;
font-size: @font-size-sm;
transition: border-color 0.2s, color 0.2s;
&:hover:not(:disabled):not(.is-ellipsis) {
border-color: @primary-color;
color: @primary-color;
}
// 设计稿:当前页是描边态(蓝框 + 蓝字),不是实心
&.is-active {
border-color: @primary-color;
color: @primary-color;
}
&.is-ellipsis {
border-color: transparent;
background: transparent;
cursor: default;
}
&:disabled:not(.is-ellipsis) {
opacity: 0.4;
cursor: not-allowed;
}
}
}
</style>