Node JS Tutorial

Construction of Node JS project:

To create a standard file structure, you need to download and use the Webstorm software to create a new Node Express project.

Operation of App.js:

(1) Introduce a new module: var School_controller = require ('./controller/school_controller ');

(2) Add a new route: App.use ('/school ', school_controller);

Three ways to get parameters:

(1) Gets the parameter value of the GET request: Req.query, visit: Http://localhost:3000?q=ss
Add the routing method in the Index.js file:

Router.get ('/', function (req, res, next) {

Console.log (' Q ' value is: ', req.query.q);

});

(2) Get the parameter value of the POST request: Req.body, Access: Generally get the value of table only son come over

Router.post ('/', function (req, res, next) {

Console.log (' Q ' value is: ', req.body.userName);

});

(3) Get URL path: req.params, visit: http://localhost:3000/ss

Router.get ('/:urlname ', function (req, res,next) {

Console.log (' url Parameter object: ', req.params.urlname);

});

Node JS Tutorial