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`@Controller` 将目标类标识为请求处理器，`@RequestMapping` 映射请求路径到处理方法。以下是对代码段的简化：

java@Controllerpublic class HelloWorld { private String s;}

@Controller将目标类标识为一个请求处理器，@RequestMapping映射请求

import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; @Controller public class HelloWorld { private static String success="success"; @RequestMapping("/helloworld") public String hello() { System.out.println("Hello World"); return success; } } web.xml配置文件

springDispatcherServlet org.springframework.web.servlet.DispatcherServlet

contextConfigLocation

classpath:springmvc.xml 1 springDispatcherServlet / HiddenHttpMethodFilter org.springframework.web.filter.HiddenHttpMethodFilter HiddenHttpMethodFilter /* springmvc.xml配置文件

请求页面index.jsp

<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="ISO-8859-1"%> Hello World
testParamAndHeader
testAntPath
testPathVariable

Test Get

返回的成功页面success.jsp

<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="ISO-8859-1"%>

Success

ModelAndView: ${requestScope.studentMsg } Map: ${requestScope.users } Map: ${requestScope.xixi } SessionAttributes: ${sessionScope.user } SessionAttributes: ${sessionScope.msg }