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May 28, 2017 01:26
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title></title> | |
| </head> | |
| <body> | |
| <h1>Hello</h1> | |
| <img src="<%= data[0].path %>" alt=""> | |
| </body> | |
| </html> |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>File Uploading Form</title> | |
| </head> | |
| <body> | |
| <h3>File Upload:</h3> Select a file to upload: | |
| <br /> | |
| <form action="/file_upload" method="POST" enctype="multipart/form-data"> | |
| <input type="file" name="file" size="50" /> | |
| <br /> | |
| <input type="submit" value="Upload File" /> | |
| </form> | |
| </body> | |
| </html> |
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| { | |
| "name": "example", | |
| "main": "server.js", | |
| "dependencies": { | |
| "body-parser": "^1.17.2", | |
| "ejs": "^2.5.6", | |
| "ejs-mate": "^2.3.0", | |
| "express": "^4.15.3", | |
| "mongoose": "^4.10.3", | |
| "multer": "^1.3.0" | |
| } | |
| } |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title></title> | |
| </head> | |
| <body> | |
| <h1>Hello</h1> | |
| <a href="/another">Another</a> | |
| <br> | |
| <img src="<%= data[0].path %>" alt=""> | |
| </body> | |
| </html> |
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| var express = require('express') | |
| var app = express() | |
| var ejs = require('ejs') | |
| var engine = require('ejs-mate') | |
| var multer = require('multer') | |
| var fs = require('fs') | |
| var path = require('path') | |
| var bodyParser = require('body-parser') | |
| var mongoose = require('mongoose') | |
| mongoose.connect('mongodb://localhost:27017/testdatabase') | |
| var Schema = mongoose.Schema | |
| var ImagesModel = new Schema({ | |
| path: String | |
| }, { | |
| collection: 'images' | |
| }) | |
| var Model = mongoose.model('Model', ImagesModel) | |
| app.get('/sample', function(req, res, next) { | |
| Model | |
| .find({}) | |
| .lean() | |
| .exec(function(err, data) { | |
| if (err) return next(err) | |
| res.render('sample', { | |
| data: data | |
| }) | |
| }) | |
| }) | |
| app.get('/another', function(req, res, next) { | |
| Model | |
| .find({}) | |
| .lean() | |
| .exec(function(err, data) { | |
| if (err) return next(err) | |
| res.render('another/another', { | |
| data: data | |
| }) | |
| }) | |
| }) | |
| app.use(express.static('uploads')) | |
| app.use(bodyParser.urlencoded({ extended: false })) | |
| app.engine('ejs', engine) | |
| app.set('view engine', 'ejs') | |
| app.get('/', function(req, res) { | |
| res.sendFile(__dirname + "/" + "index.html") | |
| }) | |
| var storage = multer.diskStorage({ | |
| destination: function(req, file, callback) { | |
| callback(null, './uploads') | |
| }, | |
| filename: function(req, file, callback) { | |
| callback(null, file.fieldname + '-' + Date.now() + path.extname(file.originalname)) | |
| } | |
| }) | |
| var upload = multer({ storage: storage }) | |
| app.post('/file_upload', upload.single('file'), function(req, res) { | |
| var image = new Model() | |
| image.path = req.file.filename | |
| image.save() | |
| res.redirect('/sample') | |
| }) | |
| app.listen(8080, function() { | |
| console.log('Node.js listening on port ' + 8080) | |
| }) |
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| . | |
| ├── views/ | |
| | ├── sample.ejs | |
| | └── another/ | |
| | └── another.ejs | |
| ├── uploads/ | |
| ├── package.json | |
| ├── server.js | |
| └── index.html |
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