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POSpring 3 MVC Handle multiple form submit with a single Controller
 

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  1. POSpring 3 MVC Handle multiple form submit with a single Controller
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    <p>Spring 3 MVC Handle multiple form submit with a Controller.</p> <p>I am developing JSP page with multiple forms. 1) Search Customer, 2) Search Product, 3) Print Something etc. I've a different form bind object tied to each form and my controller code looks similar to below</p> <pre><code> @Controller @RequestMapping(value="/search.do") public class SearchController { @RequestMapping(method = RequestMethod.GET) public String pageLoad(ModelMap modelMap) { modelMap.addAttribute("productSearch", new ProductSearchCriteria()); modelMap.addAttribute("customerSearch", new CustomerSearchCriteria()); modelMap.addAttribute("print", new PrintForm()); } @RequestMapping(method = RequestMethod.POST) public ModelAndView searchProducts(@ModelAttribute("productSearch") ProductSearchCriteria productSearchCriteria, BindingResult result, SessionStatus status) { //Do Product search return modelAndView; } @RequestMapping(method = RequestMethod.POST) public ModelAndView searchCustomers(@ModelAttribute("customerSearch") CustomerSearchCriteria customerSearchCriteria, BindingResult result, SessionStatus status) { //Do Customer search return modelAndView; } @RequestMapping(method = RequestMethod.POST) public ModelAndView printSomething(@ModelAttribute("print") PrintForm printForm, BindingResult result, SessionStatus status) { //Print something return modelAndView; } } </code></pre> <p>Above certainly doesn't work as I assumed it would. I get exception saying <b>'Request method 'POST' not supported'</b>. If I have only one POST method inside above controller say searchProducts it works well. But it won't with more than one methods with POST. I also tried adding hidden parameter in JSP and changing method signatures similar to below only to get the same exception again.</p> <pre><code> @RequestMapping(method = RequestMethod.POST, params="pageAction=searchProduct") public ModelAndView searchProducts(@ModelAttribute("productSearch") ProductSearchCriteria productSearchCriteria, BindingResult result, SessionStatus status) { //Do Product search return modelAndView; } </code></pre> <p>Can anyone please suggest correct way to achieve above? Also any reference to source material or further reading will be greatly appreciated. Thanks.</p> <p><b>EDIT #1:</b> The above approach with params="pageAction=searchProduct" works perfectly as far as you get your hidden parameter right in JSP (see comment below). In addition to that, answers by @Bozho and @Biju Kunjummen is also very helpful and a good (possibly better?) alternative to tackle multiple form submit.</p>
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    1. COAre you sure approach with hidden field doesn't work?
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    2. COYes indeed. I am baffled why it didn't work. I found similar question here with answer using same params="name=value" technique. Many people up voted and it must be the one way to nail this.
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    3. COVery strange, it should work.
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