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: https://twitter.com/alejandro_du
Vaadin Flow quick tutorial: https://vaadin.com/docs/v14/flow/tutorials/quick-start-tutorial
The Grid component: https://vaadin.com/docs/v14/flow/components/tutorial-flow-grid
Vaadin components and design system: https://vaadin.com/docs/latest/ds/overview
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/component/flow-viritin

Тэги:

#Vaadin #csv #sax_full_form_in_xml #java_csv #csv_java #design_pattern_in_java #apache_commons_create_csv #apache_commons_csv #convert_data_into_csv_file_in_java #convert_database_table_into_csv_in_java #convert_java_object_to_csv #covert_xml_to_csv_java #create_csv_file_using_poi #cse_file_to_pipeline_java #csv_report_jsp_java

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