Spring 4 MVC Form handling

Topics 

  • 2-phase form submission handling 
  • Command/form objects 
  • @ModelAttribute 
  • Validation 
  • Data binding 
  • Form tags 
  • Redirection (in form submission handling)

2-Phase Form Submission Handling

Form Display & Submission Handling 

  • It is a two-phase process 
  • Phase 1: Handle initial form display request (GET request) 
    • (1.1) Creation and initialization of Command object 
    • (1.2) Display the form page 
  • Phase 2: Handle the form submission (POST request) 
    • (2.1) Data binding and type conversion 
    • (2.2) Validation 
    • (2.3) Business logic handling with input data 
    • (2.4) Redirect

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