How Spring MVC handles form submission and form validation

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Handle form submission and form validation

The @ ModelAttribute annotation in Spring supports binding form fields to form return objects, and the BingingRequest interface supports validation of form fields. This makes it very easy to handle form submissions. The code for a typical processor method that processes and validates form data is as follows:

Controller publicclassRegistrationController {@ RequestMapping (value = "/ doRegister", method = RequestMethod.POST) publicString doRegister (@ ModelAttribute ("userForm") User user, BindingResult bindingResult) {if (bindingResult.hasErrors ()) {/ / form validation error} else {/ / form input is OK} / / process registration... Return "Success";}} above is all the content of the article "how Spring MVC handles form submission and form validation". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!