SSH学习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 核心依赖包 -->        <!-- 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>  <!-- 定义名为springtest3的servlet，其指向刚才写的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>       <!-- 将所有.do的访问，都交给springtest3这个servlet来处理 -->        <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将一个POJO类声明为处理器public class HelloWorldAnonotationController{// ②请求URL到处理器功能处理方法的映射@RequestMapping(value = "/hello")public ModelAndView helloWorld(){// 1、收集参数 //2、绑定参数到命令对象// 3、调用业务对象 //4、选择下一个页面ModelAndView mv = new ModelAndView();// 添加模型数据 可以是任意的POJO对象mv.addObject("message", "Hello World!");// 设置逻辑视图名，视图解析器会根据该名字解析到具体的视图页面mv.setViewName("hwAnnotion");return mv; // 3 模型数据和逻辑视图名}}