SSH學習4：maven spring annotion

1.pom

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.zf.ssh.test</groupId>
  <artifactId>SSHTest</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>SSHTest Maven Webapp</name>
  <url>http://maven.apache.org</url>
<dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>3.0.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>3.0.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>3.0.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>3.0.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>3.0.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-asm</artifactId>
            <version>3.0.5.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>3.0.5.RELEASE</version>
        </dependency>
        <!-- end spring 核心依賴包 -->


        <!-- start spring mvc -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>3.0.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>3.0.5.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!-- START SERVLET -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.1</version>
            <scope>provided</scope>
        </dependency>
    </dependencies>
  <build>
    <finalName>SSHTest</finalName>
  </build>
</project>

2.web.xml

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
  <!-- display-name></display-name-->

<filter>
    <filter-name>Character Encoding</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
        <param-name>encoding</param-name>
        <param-value>UTF-8</param-value>
    </init-param>
</filter>
<filter-mapping>
    <filter-name>Character Encoding</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>
  <!-- 定義名爲springtest3的servlet，其指向剛纔寫的springtest.xml文件 -->
  <servlet>
        <servlet-name>springtest3</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
        	<param-name>contextConfigLocation</param-name>
        	<!--  <param-value>/WEB-INF/springtest.xml</param-value>-->
        	<param-value>/WEB-INF/springA.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>


    <servlet-mapping>
       <!-- 將所有.do的訪問，都交給springtest3這個servlet來處理 -->
        <servlet-name>springtest3</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>


</web-app>

3.spring xml.

<?xml version="1.0" encoding="UTF-8"?>
<!--  beans-->
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

	<bean class= "org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"/>
	<bean class= "org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"/>

    <!-- ViewResolver -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        	<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
    		<property name="prefix" value="/WEB-INF/jsp/"/>
   		<property name="suffix" value=".jsp"/>
    </bean>

    <bean name= "/hello" class= "com.zf.ssh.test.controller.HelloWorldAnonotationController"/>

</beans>

4.hwAnnotion.jsp

<%@ page language= "java" contentType= "text/html; charset=UTF-8" pageEncoding= "UTF-8"%>
<%
String length = (String)request.getAttribute("message");
out.println(length);
%>

5.controller

package com.zf.ssh.test.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

@Controller
// 或 @RequestMapping //①將一個POJO類聲明爲處理器
public class HelloWorldAnonotationController
{
	// ②請求URL到處理器功能處理方法的映射
	@RequestMapping(value = "/hello")
	public ModelAndView helloWorld()
	{
		// 1、收集參數 //2、綁定參數到命令對象
		// 3、調用業務對象 //4、選擇下一個頁面
		ModelAndView mv = new ModelAndView();
		// 添加模型數據 可以是任意的POJO對象
		mv.addObject("message", "Hello World!");
		// 設置邏輯視圖名，視圖解析器會根據該名字解析到具體的視圖頁面
		mv.setViewName("hwAnnotion");
		return mv; // 3 模型數據和邏輯視圖名
	}
}