Lekcja 3

Lekcja_03/server01.js

@@ -0,0 +1,31 @@
+const express = require('express')
+const app = express()
+const port = 3000
+const path = require('path')
+
+app.use(express.urlencoded({
+    extended: true
+}))
+
+app.get("/", function(req, res) {
+    res.sendFile(path.join(__dirname, '/static/formularz.html'))
+})
+
+app.post("/", function(req, res) {
+    let message;
+    let result;
+    if(req.body.c == "suma") {
+        message = "suma dwóch elementów"
+        result = parseInt(req.body.a) + parseInt(req.body.b)
+    } else {
+        message = "różnica dwóch elementów"
+        result = parseInt(req.body.a) - parseInt(req.body.b)
+    }
+    console.log(JSON.stringify({x:1}, null, 5))
+    res.header("content-type", "application/json")
+    res.send({"message": message, "wynik": result})
+})
+
+app.listen(port, function() {
+    console.log("dziala")
+})