node.js搭建动态服务器

//引入相关模块
let http = require('http');
let path = require('path');
let url = require('url');
let fs = require('fs');//添加静态自愿代码，详情看上一节
function staticRoot(staticPath, req, res) {let pathObj = url.parse(req.url, true);if (pathObj.pathname === '/favicon.ico') {return;}if (pathObj.pathname === '/') {pathObj.pathname += 'index.html';}let filePath = path.join(staticPath, pathObj.pathname);fs.readFile(filePath, 'binary', (err, data) => {if (err) {res.writeHead(404, 'not found');res.write('<h1>Not Found</h1>')res.end()} else {res.writeHead(200, 'ok')res.write(data, 'binary');res.end()}})
}//接口代码
var routes = {'/a': function(req, res){res.end(JSON.stringify(req.query))},'/b': function(req, res){res.end('match /b')},'/a/c': function(req, res){res.end('match /a/c')},'/search': function(req, res){res.end('username='+req.body.username+',password='+req.body.password)}
}//解析请求自愿
function routePath(req, res) {//解析请求的urllet pathObj = url.parse(req.url, true);//获取参数名称，返回函数对象let handleFunc = routes[pathObj.pathname];//判断routes数组中存在接口数据if (handleFunc) {//存在，监听data和on事件let body = '';req.on('data', function (chunk) {//获取加载的数据body += chunk;console.log(body)}).on('end', function () {//加载完成，解析bodyreq.body = parseBody(body);//传递参数，调用参数对象handleFunc(req, res)})} else {//不存在，则是静态资源staticRoot(path.join(__dirname, 'static'), req, res)}
}//解析body参数，简单的处理
function parseBody(body){console.log(body)var obj = {}body.split('&').forEach(function(str){obj[str.split('=')[0]] = str.split('=')[1]})return obj
}//创建服务
http.createServer((req, res) => {routePath(req, res);
}).listen(8080)