我需要的图像上传到服务器(内置的NodeJS),并显示给大家的HTML网站。当有人做最后的图像可以走同样的事情,我不需要储存。任何人都可以帮助我?最好
希望这可以帮助
在这个例子中,如果你通过ID和文件夹相同的文件被替换,改变按您的要求
我已经使用multer
const router = express.Router();
const path = require("path");
const fs = require('fs');
var multer = require('multer')
var upload = multer({ dest: 'uploads/' })
router.get('/:folder/:id', async (req, res) => {
let filepath = path.join(__dirname + `/../images/${req.params.folder}/${req.params.id}.png`);
res.sendFile(filepath);
});
const upload = async (image, folder, id) => {
let dir = `images`;
if (!fs.existsSync(dir)) {
fs.mkdirSync(dir);
}
dir = `images/${folder}`;
if (!fs.existsSync(dir)) {
fs.mkdirSync(dir);
}
await image.mv(`images/${folder}/${id}.png`);
return `${config.DOMAIN}/images/${folder}/${id}`;
}
router.post('/:folder/:id', upload.single('file'), async (req, res) => {
try {
let image = req.files.image;
if (!image)
return res.status(400).send({ message: 'Image not provided!' });
const imageUrl = await upload(image, req.params.folder, req.params.id);
if (imageUrl)
res.status(201).send({ message: "Image uploaded", url: imageUrl });
} catch (e) {
res.status(400).send({ message: "Error uploading image!", error: e.toString(), req: req.body });
}
});
router.delete('/:folder/:id', async (req, res) => {
try {
fs.unlinkSync(`images/${req.params.folder}/${req.params.id}.png`);
res.status(201).send({ message: "Image deleted" });
} catch (e) {
res.status(400).send({ message: "Error deleting image!", error: e.toString(), req: req.body });
}
});
module.exports = router;