请求的jsp页面：
<form action="addUser" method="post" enctype="multipart/form-data"> <input type="submit" value="新增用户"> </form>
Controller：
/**
* 新增用户
* @param user
* @return
*/
@RequestMapping("/addUser")
public String addUser(User user,Map<String, Object> map){
System.out.println(user);
map.put("names", "小明");
return "success";
}
jsp页面取值：
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
新增成功
${requestScope.names}
</body>
</html>