Thymeleaf multiple submit button in one form

Question

I have a fragment of HTML page with one form and 2 button:

<form action="#" data-th-action="@{/action/edit}" data-th-object="${model}" method="post">     <button type="submit" name="action" value="save">save</button>     <button type="submit" name="action" value="cancel">cancel</button> </form> 

And the controller:

@RequestMapping(value="/edit", method=RequestMethod.POST) public ModelAndView edit(@ModelAttribute SomeModel model,          @RequestParam(value="action", required=true) String action) {      if (action.equals("save")) {         // do something here          }      if (action.equals("cancel")) {        // do another thing     }     return modelAndView; } 

This work good, but if I have more button, I must add more if statement to check the action string. Is there another way that I can create one action for each button in the form?

Answer 1

You can create separate methods with different @RequestMappings using the params variable.

@RequestMapping(value="/edit", method=RequestMethod.POST, params="action=save") public ModelAndView save() {}   @RequestMapping(value="/edit", method=RequestMethod.POST, params="action=cancel") public ModelAndView cancel() {}