[Gordon] added example on body parser

Author: songguoqiang

body-parser-example.js

@@ -0,0 +1,14 @@
+const express = require("express");
+const app = express();
+const bodyParser = require("body-parser");
+
+app.use(bodyParser.json());
+
+app.post("/users", function(req, res) {
+  const userName = req.body.name;
+  res.send(`${userName} is created.`);
+});
+
+const server = app.listen(3000, function() {
+  console.log("Application started....");
+});