How does spring map post data to POJO?
java, pojo, spring-mvc
Solution
In the first case, Spring MVC will attempt to match the HTTP POST parameter names to the property names of the `User` class, converting the types of those parameters values as necessary.
In the second case, I believe Spring will throw an exception, since it will only accept one Command object.
Problem
I have a spring controller defined like this: ``` @Controller @RequestMapping("/user") class UserController { ... @RequestMapping(method=RequestMethod.POST) public String save(User user) { // Do something with user return "redirect:/..."; } } ``` How is post data (data submitted from a form) mapped to the User object in this case? Is there any documentation on how this works? What happens if I have two POJOs like this? ``` @Controller @RequestMapping("/user") class UserController { ... @RequestMapping(method=RequestMethod.POST) public String save(User user, Foo anotherPojo) { // Do something with user return "redirect:/..."; } } ```