Node js Handle Get Post Request
Posted at: March 14, 2019 8:26 PM
How to handle GET and POST requests in Node js
In this chapter we will learn get and post request in node js with express js. We will use express-generator tool for creating a application. And we will use view engine hbs. And also get response in json format.
First of all, we will install express-generator tools globaly. If you have already installed express-generator tool then no need to install.
Intallation express-generator tool
Create a Application
Create a application using express-generator tool and set view engine hbs
Then install dependencies
GET Request
Create a get request with route path /student/:id/course/:cid in file routes/index.js
In above code passed two parameters id and cid. You can access parameter using req.params.myParamName for example req.params.id or req.params.cid
Route path: /student/:id/course/:cid
Request URL: http://localhost:3000/student/5/course/10
POST Request
Create a post request with route path /student/submit in file routes/index.js.
You can access field using req.body.fieldname. For example req.body.studentId
Complete code of index.js
routes/index.js
Create view file views/student.hbs
Edit view file views/index.hbs for create form.
Run the app with this command
Then load http://localhost:3000/ in your browser to access the app.
Conclusion
In this lesson we have learned installation of express-generator tool and create application using express-generator tool. And also learn get and post requests.
This lesson also available on YouTube
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