在上一篇博文的基礎上進行修改

修改配置檔案

<?xml version="1.0" encoding="UTF-8"?>

<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
    	">
   

	<!-- 自動裝配bean -->
   <!-- 自動檢測bean -->
	<context:component-scan
		base-package="com.hellospringmvc"
	></context:component-scan>


	<!-- 配置處理器對映器 -->
	<!-- 使用RequestMappingHandlerMapping需要在Handler 中使用@controller標識此類是一個控制器，使用@requestMapping指定Handler方法所對應的url -->
	<bean
		class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping">
	</bean>
	
	<!-- 配置處理器介面卡 -->
	<!-- RequestMappingHandlerAdapter，不要求Handler實現任何介面，它需要和RequestMappingHandlerMapping註解對映器配對使用，主要解析Handler方法中的形參 -->
	<bean
		class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/>
	
	
	<!-- 配置檢視解析器
		要求將jstl的包加到classpath
	 -->
   <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
      <property name="prefix" value="/WEB-INF/" />
      <property name="suffix" value=".jsp" />
   </bean>

</beans>
 

package com.hellospringmvc;

import java.util.ArrayList;
import java.util.List;

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("聯想筆記本");
		items_1.setPrice(6000f);
		items_1.setDetail("ThinkPad T430 聯想膝上型電腦！");
		
		Item items_2 = new Item();
		items_2.setName("蘋果手機");
		items_2.setPrice(5000f);
		items_2.setDetail("iphone6蘋果手機！");
		
		itemsList.add(items_1);
		itemsList.add(items_2);
		
		//建立modelAndView準備填充資料、設定檢視
		ModelAndView modelAndView = new ModelAndView();
		
		//填充資料
		modelAndView.addObject("itemsList", itemsList);
		//檢視
		modelAndView.setViewName("helloController");
		
		return modelAndView;
	}


}