Refactor code structure for improved readability and maintainability
This commit is contained in:
commit
ea98b368e9
4
.gitignore
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4
.gitignore
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.ini
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.DS_Store
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node_modules/
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7
index.ts
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7
index.ts
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import { app } from "./src/app";
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// app.listen(4312, ()=> console.log(`The Server is running.`))
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// 启动服务器
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const port = 8000;
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app.listen(port, () => console.log('running...'));
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26
package.json
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26
package.json
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{
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"name": "file-serve",
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"version": "0.0.1",
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"description": "文件上传服务器",
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"main": "index.js",
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"author": "Titor<titor@h2ostudio.cn>",
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"license": "MIT",
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"scripts": {
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"dev": "yarn tsx index.ts"
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},
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"devDependencies": {
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"@types/ejs": "^3.1.5",
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"@types/koa": "^2.15.0",
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"@types/koa-router": "^7.4.8",
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"@types/koa-static": "^4.0.4",
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"@types/node": "^22.13.1",
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"tsx": "^4.19.2"
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},
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"dependencies": {
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"ejs": "^3.1.10",
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"koa": "^2.15.3",
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"koa-body": "^6.0.1",
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"koa-router": "^13.0.1",
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"koa-static": "^5.0.0"
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}
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}
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77
src/app.ts
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77
src/app.ts
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import Koa from 'koa';
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import Router from 'koa-router';
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import koaBody from 'koa-body';
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import path from 'path';
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import fs from 'fs';
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import serve from 'koa-static';
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import { File } from 'formidable';
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import { render} from "ejs"
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import { readdir, readFile } from 'fs/promises';
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export const app = new Koa();
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const router = new Router();
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const uploadDir = '/mnt/d/cloud/'
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// 设置上传文件存储目录
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// const uploadDir = path.join(__dirname, '../uploads');
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// 确保上传目录存在
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// if (!fs.existsSync(uploadDir)) {
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// fs.mkdirSync(uploadDir);
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// }
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// 使用 koa-body 中间件处理文件上传
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app.use(
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koaBody({
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multipart: true,
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formidable: {
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uploadDir: uploadDir, // 上传文件存储目录
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keepExtensions: true, // 保留文件扩展名
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maxFileSize: 2048 * 1024 * 1024, // 设置最大文件大小为600MB
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filename(name, ext, part, form) {
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return part.originalFilename || `${name}${ext}`
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}
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},
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})
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)
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// 静态文件服务，用于访问上传的文件
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app.use(serve(uploadDir));
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// 首页路由，显示文件列表和上传按钮
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router.get('/', async (ctx) => {
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const files = await readdir(uploadDir);
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let file = await readFile(path.join(__dirname, 'template/index.ejs'));
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ctx.body = render(file.toString(), {files})
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});
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// 文件上传路由
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router.post('/upload', async (ctx) => {
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// 检查是否有文件上传
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if (!ctx.request.files || !ctx.request.files.file) {
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ctx.status = 400;
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ctx.body = '未上传文件';
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return;
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}
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// 获取上传的文件对象
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const file = ctx.request.files.file;
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// 处理单个文件或多个文件
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let fileName: string;
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if (Array.isArray(file)) {
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// 多个文件
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fileName = file.map((f: File) => f.originalFilename || f.newFilename).join(', ');
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} else {
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// 单个文件
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fileName = file.originalFilename || file.newFilename;
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}
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// 返回文件名
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ctx.body = `文件上传成功，文件名：${fileName}`;
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ctx.redirect('/');
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});
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// 使用路由中间件
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app.use(router.routes()).use(router.allowedMethods());
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27
src/template/index.ejs
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27
src/template/index.ejs
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>文件上传</title>
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</head>
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<body>
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<h1>文件上传</h1>
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<form action="/upload" method="post" enctype="multipart/form-data">
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<input type="file" name="file" />
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<button type="submit">上传</button>
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</form>
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<h2>已上传文件列表：</h2>
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<ul>
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<% files.map((file)=> { %>
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<li>
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<a href="<%=file%>"><%=file%></a>
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</li>
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<% }).join('') %>
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<!-- ${files.map((file) => `<li><a href="/${file}">${file}</a></li>`).join('')} -->
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</ul>
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</body>
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</html>
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11
src/types/koa.d.ts
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11
src/types/koa.d.ts
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import 'koa';
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import { Files } from 'formidable';
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declare module 'koa' {
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interface Request {
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files?: Files; // 使用 formidable.Files 类型
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}
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interface ctx {
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render?: Function
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}
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}
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13
tsconfig.json
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13
tsconfig.json
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{
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"compilerOptions": {
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"target": "ES6",
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"module": "commonjs",
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"strict": true,
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"esModuleInterop": true,
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"skipLibCheck": true,
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"forceConsistentCasingInFileNames": true,
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"outDir": "./dist",
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"rootDir": "./src"
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},
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"include": ["src/**/*"]
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}
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