node- with pictures

Node-formidable mounting frame

Installation dependencies:

npm i -s formidable

The first step: Add a reference

let formidable = require('formidable')

Step Two: instantiating the object

let form = new formidable.IncomingForm();

Part III: file upload path settings

form.uploadDir = "./ directory file";

Part IV: Get the contents of the form

form.parse(req,(err,fields,files)=>{

res.writeHead(200,{'content-type':'text/plain'});
res.write('received upload:\n\n');
res.end(util.inspect({fields:fields,files:files}));
});

Installation node-uuid generate some naming

Installation depends

npm i uuid

Quote

let uuidv1 = require('uuid/v1')

use

let name = uuidv1();

Modify uploaded over the file name

The first step: Get the file suffix

 let extName = path.extname(files.photo.name);

Step 3: Set path

 let oldPath = __dirname + "/" + files.photo.path;
 let newPath = __dirname + "/uploads/" + name + extName;

Fourth step: rename

fs.rename(oldPath, newPath, (err)=>{
       if(!err){
     res.writeHead(200, {'content-type': 'text/html;charset=UTF-8'});
      res.write("写入成功");
      res.end(util.inspect({fields: fields, files: files}));
      }else {
                    throw  err;
                }
       });