Export data to CSV files in Java
Alejandro Duarte shows how to write CSV files from Java objects. 👇
0:00 Intro
0:09 The example web application
0:30 The domain model (entity/DTO/VO)
1:17 The OpenCSV Java library
1:31 The view (a Vaadin Grid with data)
2:11 File download logic
4:30 Transforming objects to CSV as a String
7:48 Excluding columns to export
9:10 Fixing "hash" values in the exported CSV file
10:18 Outro
Links:
Follow Alejandro on Twitter: / alejandro_du
Vaadin Flow quick tutorial: https://vaadin.com/docs/v14/flow/tuto...
The Grid component: https://vaadin.com/docs/v14/flow/comp...
Vaadin components and design system: https://vaadin.com/docs/latest/ds/ove...
OpenCSV project: http://opencsv.sourceforge.net
Tip: The DynamicFileDownloader class in the Viritin add-on simplifies the code. Try it out: https://vaadin.com/directory/componen...