基于注解的spring MVC程序详解编程语言

beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd
!-- 配置处理器映射器 -- !-- 使用RequestMappingHandlerMapping需要在Handler [email protected]，[email protected] -- bean /bean !-- 配置处理器适配器 -- !-- RequestMappingHandlerAdapter，不要求Handler实现任何接口，它需要和RequestMappingHandlerMapping注解映射器配对使用，主要解析Handler方法中的形参 -- bean
import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; @Controller public class HelloController { @RequestMapping("/queryItems") public ModelAndView queryItems(){ //商品列表 List Item itemsList = new ArrayList Item Item items_1 = new Item(); items_1.setName("联想笔记本"); items_1.setPrice(6000f); items_1.setDetail("ThinkPad T430 联想笔记本电脑！"); Item items_2 = new Item(); items_2.setName("苹果手机"); items_2.setPrice(5000f); items_2.setDetail("iphone6苹果手机！"); itemsList.add(items_1); itemsList.add(items_2); //创建modelAndView准备填充数据、设置视图 ModelAndView modelAndView = new ModelAndView(); //填充数据 modelAndView.addObject("itemsList", itemsList); //视图 modelAndView.setViewName("helloController"); return modelAndView;