├── .gitignore
├── app.js
├── package.json
└── test.html
/.gitignore:
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1 | # Logs
2 | logs
3 | *.log
4 | npm-debug.log*
5 | yarn-debug.log*
6 | yarn-error.log*
7 |
8 | # Runtime data
9 | pids
10 | *.pid
11 | *.seed
12 | *.pid.lock
13 |
14 | # Directory for instrumented libs generated by jscoverage/JSCover
15 | lib-cov
16 |
17 | # Coverage directory used by tools like istanbul
18 | coverage
19 |
20 | # nyc test coverage
21 | .nyc_output
22 |
23 | # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
24 | .grunt
25 |
26 | # Bower dependency directory (https://bower.io/)
27 | bower_components
28 |
29 | # node-waf configuration
30 | .lock-wscript
31 |
32 | # Compiled binary addons (https://nodejs.org/api/addons.html)
33 | build/Release
34 |
35 | # Dependency directories
36 | node_modules/
37 | jspm_packages/
38 |
39 | # TypeScript v1 declaration files
40 | typings/
41 |
42 | # Optional npm cache directory
43 | .npm
44 |
45 | # Optional eslint cache
46 | .eslintcache
47 |
48 | # Optional REPL history
49 | .node_repl_history
50 |
51 | # Output of 'npm pack'
52 | *.tgz
53 |
54 | # Yarn Integrity file
55 | .yarn-integrity
56 |
57 | # dotenv environment variables file
58 | .env
59 |
60 | # next.js build output
61 | .next
62 |
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/app.js:
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1 | const Koa = require('koa')
2 | const Router = require('koa-router')
3 | const multer = require('koa-multer')
4 | const { join } = require('path')
5 |
6 | const app = new Koa
7 | const router = new Router
8 |
9 | const storage = multer.diskStorage({
10 | // 存储的位置
11 | destination: join(process.cwd(), "upload"),
12 | // 文件名
13 | filename(req, file, cb){
14 | const filename = file.originalname.split(".")
15 | cb(null, `${Date.now()}.${filename[filename.length - 1]}`)
16 | }
17 | })
18 |
19 | const upload = multer({storage})
20 |
21 | router.post('/profile', upload.single('file'), async ctx => {
22 | ctx.body = {
23 | filename: ctx.req.file.filename
24 | }
25 | })
26 |
27 | app.use(router.routes()).use(router.allowedMethods())
28 |
29 | app.listen(3000);
30 |
31 |
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/package.json:
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1 | {
2 | "name": "file-upload",
3 | "version": "1.0.0",
4 | "description": "",
5 | "main": "index.js",
6 | "scripts": {
7 | "test": "echo \"Error: no test specified\" && exit 1"
8 | },
9 | "author": "",
10 | "license": "ISC",
11 | "dependencies": {
12 | "koa": "^2.5.2",
13 | "koa-multer": "^1.0.2",
14 | "koa-router": "^7.4.0"
15 | }
16 | }
17 |
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/test.html:
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1 |
2 |
3 |
4 |
5 | 40-js
6 |
10 |
11 |
12 |
16 |
17 |
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