var http = require("http");
var url = require("url");
var qs = require("querystring");http.createServer(function(req, res) {res.setHeader("Access-Control-Allow-Origin", "*");//        console.log(req.url);//        对请求对象的url进行解析，拿到查询参数字符串var query = url.parse(req.url).query;//        console.log(query);//把key=value字符串转变成对象的方式 方便获取var queryObj = qs.parse(query);//用来接收数据的变量var result = "";//        console.log(queryObj.myUrl);http.get(queryObj.myUrl, function(request) {request.on("data", function(data) {result += data;});request.on("end", function() {if(queryObj.callback) {var fn = queryObj.callback;var resultStr = JSON.stringify(result);var str = fn + "(" + resultStr + ")";res.end(str);} elseres.end(result);});}).on("error", function(err) {res.end(err);})//        res.end("hello sb");
    }).listen(3000, function() {console.log("服务器启动成功，监听3000...");});

var http = require("http");
var url = require("url");
var qs = require("querystring");http.createServer(function(req, res) {res.setHeader("Access-Control-Allow-Origin", "*");//设置编码格式req.setEncoding("utf8");//用来接收数据var postData = "";//监听：如果前端有数据发送过来req.addListener("data", function(data) {postData += data;});//前端数据传输完毕req.addListener("end", function() {//把接收到的data数据转换成对象方式var postDataObj = JSON.parse(postData);var myUrl = postDataObj.myUrl;//用来接收网易数据的变量var resultData = "";http.get(myUrl, function(request) {request.on("data", function(data) {resultData += data;});request.on("end", function() {res.end(resultData);})}).on("error", function(err) {console.log(err);});});}).listen(3000, function() {console.log("3000端口正在监听中...")});