如何在node.js中正确进行内容编码？

Given the following code

给出以下代码

var http = require('http');

http.createServer(function (request, response) {
    response.writeHead(200, {'Content-Type': 'text'});
    response.write("Okay – so recently I’ve started presenting a session to various groups involving the well known IOC container “StructureMap”", 'utf8');
    response.end();
}).listen(8080);
var http =