node.js解决客户端请求数据里面中文乱码的事件方法

var Http = require('http');
var server = http.createServer();
server.on('request',function(req,res){
    // res.end("hello world");
    res.end("你好 世界");
});
server.listen(3000,function(){
    console.log("Server is running");
});

var http = require('http');
var server = http.createServer();
server.on('request',function(req,res){
    // res.end("hello world");
    res.setHeader('Content-Type','text/plain;charset=utf-8');
    res.end("你好 世界");
});
server.listen(3000,function(){
    console.log("Server is running");
});

var http = require('http');
var server = http.createServer();
server.on('request',function(req,res){
    if(req.url==='/plain'){
        res.setHeader('Content-Type','text/plain;charset=utf-8');
        res.end("你好 世界");
    }else if(req.url==='/html'){
        res.setHeader('Content-Type','text/html;charset=utf-8');
        res.end("<h1>你好 世界<br/> hello world</h1>");
    }
   
});
server.listen(3000,function(){
    console.log("Server is running");
});