A parameter types supported by default
HttpServletRequest 、HttpServletResponse 、HttpSession、java.security.Principal、Locale 、InputStream 、OutputStream 、Reader 、Writer
Two types of parameters supported by default
Model is an interface, a ModelMap an interface, acts to fill the request field data Model
Binding simple parameters
Object assignment
Important: attribute name is consistent with the required form submission pojo attribute name, support cascading attribute, the value of the name attribute pojo property associated object properties.
Array assignment
Collection assignment, generic basic types
Collection assignment, generic object
map collection assignment
restful style
HiddenHttpMethodFilter
form form only support GET and POST, DELETE, and PUT requests for request not supported, Spring3.0 a filter can be added to these requests into a standard method of such supports http GET, POST, PUT and DELETE requests.
Implemented steps of:
adding a filter in web.xml HiddenHttpMethodFilter
added a hidden field in the form: <input name = "_ method " type = "hidden" value = "UPDATE && DELETE">