localhost:3000にPOSTで"reqbody=あいう漢字"を飛ばすコード

post.js

var http = require('http');

var reqbody = 'reqbody=' + encodeURIComponent('あいう漢字');

var localhost = http.createClient(3000, 'localhost');
var request = localhost.request('POST', '/',
	{
		'host': 'localhost',
		'Content-Type': 'application/x-www-form-urlencoded',
		'Content-Length': reqbody.length
	}
);
request.write(reqbody);
request.end();
request.on('response', function (response) {
  console.log('STATUS: ' + response.statusCode);
  console.log('HEADERS: ' + JSON.stringify(response.headers));
  response.setEncoding('utf8');
  response.on('data', function (chunk) {
    console.log('BODY: ' + chunk);
  });
});