node 开启本地服务器代码

node 开启本地服务器

新建server.js文件

终端命令node server

server.js代码

var http = require('http');  
var url = require('url'); 
var fs = require('fs'); //fs
var server = http.createServer(function (req, res) {
    var pathname = url.parse(req.url).pathname;

    // var realPath = "process_admin_20171009" + pathname;//所有文件都存在与resources目录下
    var realPath = pathname;//所有文件都存在与resources目录下
    console.log(realPath);
    fs.exists(realPath, function (exists) {//判断文件是否存在
        if (!exists) {
            res.writeHead(404,{"Content-Type":"text/plain"});  
            res.write("404
Not Found!
");  
            res.end();  
        } else {
            fs.readFile(realPath, "binary", function (err, file) {
                if(realPath.indexOf('.css') != -1){
                    res.writeHead(200, {
                        'Content-Type': 'text/css'
                    });
                }
                if(realPath.indexOf('.js') != -1){
                    res.writeHead(200, {
                        'Content-Type': 'application/javascript'
                    });
                }
                if(realPath.indexOf('.html') != -1){
                    res.writeHead(200, {
                        'Content-Type': 'text/html'
                    });
                }
                res.write(file, "binary");
                res.end();
            });
        }
    });
});

server.listen(8089);
console.log("静态资源服务器已启动");