Node.js http fs

Posted 2021-02-02

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const http=require(???http???);
const fs=require(???fs???);

var server = http.createServer(function(req, res){
    var file_name = ???./www??? + req.url;
    // req.url => ???/index.html???
    // ?????? => ???./www.index.html???
    // ???./www??? + req.url
    // ?????????????????????url (req.url), ?????? index.html??????????????????????????????.www?????????????????????index.html

    fs.readFile(file_name, function(err, data){
        if(err){
            res.write(???404???);
        }else{
            res.write(data);
        }
        res.end();
    })
});

server.listen(8080);

 

const fs = require(???fs???);

// ???????????? fs => file syestem

// fs.readFile(?????????, ??????)
fs.readFile(???aaa.txt???, function(err, data){
    if(err){
        console.log(??????????????????);
    }else{
        console.log(data.toString());
    }
});

// fs.writeFile(?????????, ??????, ??????)
fs.writeFile("bbb.txt","gdgignrgkwng", function(err){
    console.log(err);
})