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Simple NodeJS web server example
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| /************************************************ | |
| FILENAME | |
| server_simple.js | |
| DESCRIPTION | |
| creates a simple web server that | |
| displays translations of requested words | |
| HOW TO START SERVER: | |
| 1) from terminal run 'node simple_server.js' | |
| 2) open web browser visit http://127.0.0.1:8080 | |
| *************************************************/ | |
| // Include the HTTP Node library | |
| // http://nodejs.org/docs/latest/api/http.html | |
| var http = require('http'); | |
| // define the IP and port number | |
| var localIP = "127.0.0.1"; // 127.0.0.1 is used when running the server locally | |
| var port = 8080; // port to run webserver on | |
| function sayHello(req, res) { | |
| // HTTP response header - the content will be JSON mimetype | |
| res.writeHead(200, {'Content-Type': 'application/json'}); | |
| if (req.url === '/hello') { | |
| res.write(JSON.stringify({ | |
| hello: 'hoi', | |
| language: 'NL' | |
| })) | |
| } else if (req.url === '/goodbye') { | |
| res.write(JSON.stringify({ | |
| goodbye: 'doei', | |
| language: 'NL' | |
| })) | |
| } | |
| // End of HTTP response | |
| res.end(); | |
| } | |
| /************************/ | |
| /* START THE SERVER */ | |
| /************************/ | |
| // Create the HTTP server | |
| var server = http.createServer(sayHello); | |
| // Turn server on - now listening for requests on localIP and port | |
| server.listen(port, localIP); | |
| // print message to terminal that server is running | |
| console.log('Server running at http://'+ localIP +':'+ port +'/'); |
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