SpringMVC第一个例子

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    <display-name></display-name>

    <!-- springmvc的前端控制器的配置 -->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <!-- 通过ContextConfigLocation配置需要加载的配置文件 配置文件需要配置适配器映射器 等等 
    如果不指定则默认加载WEB-INF/Servlet 名字-servlet.xml。
    
    -->
        <init-param>
            <param-name>ContextConfigLocation</param-name>
            <param-value>classpath:springmvc.xml</param-value>
        </init-param>
    </servlet>
    
    <!-- 
    第一种 *.action 访问以action结尾的由dispatcherServlet来解析
            第二种：/所有访问的地址都有dispatcherServlet来解析  静态的文件解析需要配置不让dispatcherServlet来解析
            使用此方式可以实现restful风格的url
            第三种：/*这样配置不对        
     -->
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>*.action</url-pattern>
    </servlet-mapping>
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-3.2.xsd 
        http://www.springframework.org/schema/mvc 
        http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd 
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-3.2.xsd 
        http://www.springframework.org/schema/aop 
        http://www.springframework.org/schema/aop/spring-aop-3.2.xsd 
        http://www.springframework.org/schema/tx 
        http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">
        
        <!-- 配置handler -->
        <bean name="/queryBooks.action" class="cn.byr.ssm.controller.ItemsQueryController1"></bean>


<!-- 处理器映射器 将beanname作为url进行查找 需要在配置 handler指定beanname(就是url)-->
<bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"></bean>

<!-- 处理器 适配器-->
<bean        class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"/> 

<!-- 视图解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
</bean>
    
</beans>

package cn.byr.ssm.controller;

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

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

import cn.byr.ssm.po.Book;

public class ItemsQueryController1 implements Controller {

    @Override
    public ModelAndView handleRequest(HttpServletRequest request,
            HttpServletResponse response) throws Exception {
        //调用service来查询数据 查询商品列表返回数据 这里采用静态数据
        
        List<Book> books=new ArrayList<Book>();
        
        Book book1 =new Book();
        book1.setBname("java书籍1");
        book1.setAuthor("a");
        

        Book book2 =new Book();
        book2.setBname("java书籍2");
        book2.setAuthor("b");
        

        Book book3 =new Book();
        book3.setBname("java书籍3");
        book3.setAuthor("c");
        
        books.add(book3);
        books.add(book2);
        books.add(book2);
        
        //返回modelandview
        
        ModelAndView modelAndView = new ModelAndView();
        //相当于request的setAttribute方法
        modelAndView.addObject("books", books);
        
        //指定数据
        modelAndView.setViewName("/WEB-INF/jsp/book/itemsList.jsp");
        
        return modelAndView;
    }

}

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt"  prefix="fmt"%>
<!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>查询商品列表</title>
</head>
<body> 
<form action="${pageContext.request.contextPath }/books/queryBooks.action" method="post">
查询条件：
<table width="100%" border=1>
<tr>
<td><input type="submit" value="查询"/></td>
</tr>
</table>
商品列表：
<table width="100%" border=1>
<tr>
    <td>商品名称</td>
    <td>商品作者</td>
</tr>
<c:forEach items="${books}" var="book">
<tr>
    <td>${book.bname }</td>
    <td>${book.author}</td>

</tr>
</c:forEach>

</table>
</form>
</body>

</html>