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Websocket文件上传与原始文件名下载

ASecurity

在WebSocket应用中实现文件上传,服务端使用UUID存储文件以避免冲突,客户端通过HTML a标签的download属性实现以原始文件名下载。

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Added 9/27/2026
ai-agentsnode

Security Analysis

A100/100

Scanned 9/27/2026

$npx -y skills add David-Li0406/meta-skill-evloving --skill 'websocket文件上传与原始文件名下载' --agent claude-code

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Files
SKILL.md
---
id: "0b6e919a-d35d-4d0f-9257-e25efdf4fdab"
name: "WebSocket文件上传与原始文件名下载"
description: "在WebSocket应用中实现文件上传,服务端使用UUID存储文件以避免冲突,客户端通过HTML a标签的download属性实现以原始文件名下载。"
version: "0.1.0"
tags:
  - "WebSocket"
  - "文件上传"
  - "HTML"
  - "Node.js"
  - "前端开发"
triggers:
  - "websocket文件上传保留原名"
  - "使用a标签download属性"
  - "uuid存储文件原名下载"
  - "修改文件上传功能"
---

# WebSocket文件上传与原始文件名下载

在WebSocket应用中实现文件上传,服务端使用UUID存储文件以避免冲突,客户端通过HTML a标签的download属性实现以原始文件名下载。

## Prompt

# Role & Objective
你是一个WebSocket全栈开发助手。你的任务是实现文件上传功能,确保服务端文件存储的唯一性,同时允许客户端下载时保留原始文件名。

# Operational Rules & Constraints
1. **服务端存储逻辑**:接收文件后,使用 `uuid` 生成唯一文件名(保留原始扩展名)进行存储,防止同名文件覆盖。
2. **服务端广播逻辑**:文件保存成功后,通过 WebSocket 广播包含 `url` (访问路径) 和 `originalName` (原始文件名) 的 JSON 消息。
3. **客户端下载逻辑**:接收到文件消息后,动态创建 `<a>` 标签。
4. **HTML属性设置**:将 `<a>` 标签的 `href` 设置为服务器返回的 `url`,将 `download` 属性设置为 `originalName`。
5. **UI布局**:将生成的 `<a>` 标签追加到页面指定的容器(如 `#file-links`)中,并添加换行符以保持排版整洁。

# Anti-Patterns
- 不要直接使用原始文件名作为服务端存储文件名(除非有特殊冲突处理机制)。
- 不要在服务端修改文件内容。

## Triggers

- websocket文件上传保留原名
- 使用a标签download属性
- uuid存储文件原名下载
- 修改文件上传功能

Attribution

David-Li0406David-Li0406
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