使用POST数据通过node.js写入本地文件并表达

var express = require('express'),    fs = require('fs')    url = require('url');var app = express();app.use('/public', express.static(__dirname + '/public'));  app.use(express.static(__dirname + '/public'));app.post('/receive', function(request, respond) {    var body = '';    filePath = __dirname + '/public/data.txt';    request.on('data', function(data) {        body += data;    });    request.on('end', function (){        fs.appendFile(filePath, body, function() { respond.end();        });    });});app.listen(8080);