Skip to content
Skill

长列表虚拟滚动优化方案

by TencentBlueKing

AI Summary

This booster provides performance optimization strategies for rendering large lists (1000+ items) using virtual scrolling in Vue3, with implementations for both fixed and dynamic item heights. It's valuable for developers building data-heavy applications like logs, audit records, and container management interfaces.

Install

Copy this and paste it into Claude Code, Cursor, or any AI assistant:

I want to install the "长列表虚拟滚动优化方案" skill in my project.

Please run this command in my terminal:
# Install skill into the correct directory
mkdir -p .claude/skills/virtual-list && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/virtual-list/SKILL.md "https://raw.githubusercontent.com/TencentBlueKing/bk-bcs/master/bcs-services/bcs-project-manager/.cursor/skills/virtual-list/SKILL.md"

Then restart Claude Code (or reload the window in Cursor) so the skill is picked up.

Description

处理超过 1000 条数据的大型列表渲染时的性能优化方案,包含定高和不定高两种策略。

长列表虚拟滚动优化方案

当列表数据量巨大(如日志列表、审计记录,n > 1000)时,直接渲染会导致 DOM 节点过多,页面卡顿。

核心原理

只渲染当前可视区域 (Viewport) 内的元素,加上缓冲区 (Buffer) 的元素。随着滚动条滚动,动态替换 DOM 内容。

1. 定高列表 (Item Height Fixed)

如果每一行高度固定(例如 40px),推荐使用轻量实现。 使用方式: `html <VirtualList :items="logList" :item-height="40" :container-height="400"> <template #default="{ item }"> <div class="log-item">{{ item.message }}</div> </template> </VirtualList> ` > 📦 获取完整组件实现:skill://virtual-list/assets/VirtualList.vue

2. 不定高列表 (Dynamic Height)

如果列表项高度不固定(如包含展开/收起、不同长度文本),计算逻辑会变得复杂。 推荐库: vue-virtual-scroller 的 DynamicScroller 组件。 `html <template> <DynamicScroller :items="items" :min-item-size="54" class="scroller" > <template #default="{ item, index, active }"> <DynamicScrollerItem :item="item" :active="active" :size-dependencies="[ item.message, ]" :data-index="index" > <div class="message">{{ item.message }}</div> </DynamicScrollerItem> </template> </DynamicScroller> </template> `

Discussion

0/2000
Loading comments...

Health Signals

MaintenanceCommitted 1mo ago
Active
Adoption100+ stars on GitHub
834 ★ · Growing
DocsMissing or thin
Undocumented

GitHub Signals

Stars834
Forks259
Issues230
Updated1mo ago
View on GitHub
No License

My Fox Den

Community Rating

Sign in to rate this booster

Works With

Claude Code