问访问Multer buffer对象

EN

var express = require("express"),
fs = require('fs'),
app = express(),
bodyParser = require("body-parser"),
multer  = require('multer'),
upload = multer({ 
 dest: 'uploads/',
 inMemory:true,
 onFileUploadData: function (file, data) {
    console.log(data.length + ' of ' + file.fieldname + ' arrived')
    } 
}),
LineByLineReader = require('line-by-line'),
path = require('path'),
ejs = require("ejs"),
Excel= require("exceljs");
app.engine('html', ejs.renderFile); 
app.set('view engine', 'html');
app.use("/static", express.static("public"));
app.use(bodyParser.urlencoded({ extended: true }));

app.post("/GffData", upload.single('file'), function (req, res) {
    console.log("this is the request : ", req.file);

    fs.readFile(req.file.path, function (err, data) {
        if (err) throw err;
        // data will contain your file contents
        console.log("the data is : ",data)
        generateObjectFromGff(data); //this is the function that will use line by line module
    });

    res.send("done")
})

<Buffer 4c 6d 6a 46 2e 30 31 09 54 72 69 54 72 79 70 44 42 09 43 44 53 09 33 37 30 34 09 34 37 30 32 09 2e 09 2d 09 30 09 22 49 44 3d 63 64 73 5f 4c 6d 6a 46 ... >