springmvc简单使用

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一：创建springmvc web应用

二：导入springioc，springweb , springmvc相关的jar包

三：在/WEB-INF/下创建web.xml文件

<!-- 注册springmvc框架核心控制器 --><servlet><servlet-name>DispatcherServlet</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class></servlet><servlet-mapping><servlet-name>DispatcherServlet</servlet-name><url-pattern>*.action</url-pattern></servlet-mapping>

四：创建HelloAction.java控制器类

/** * 控制器 * @author AdminTC */public class HelloAction implements Controller{/** * 业务方法 */public ModelAndView handleRequest(HttpServletRequest requqest,HttpServletResponse response) throws Exception {ModelAndView modelAndView = new ModelAndView();modelAndView.addObject("message","这是我的第一个springmvc应用程序");modelAndView.setViewName("/jsp/success.jsp");return modelAndView;}}

步五：在/WebRoot/下创建jsp/success.jsp

<%@ page language="java" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <title>这是我的第一个springmvc应用程序</title>  </head>  <body>success.jsp<br/>${message}  </body></html>

步六：在/WEB-INF/创建DispatcherServlet-servlet.xml配置文件，xml头部信息与spring.xml相同

注意：该配置文件的命名规则：web.xml文件中配置的<servlet-name>的值-servlet.xml

<?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"      xmlns:aop="http://www.springframework.org/schema/aop"      xmlns:tx="http://www.springframework.org/schema/tx"  xmlns:mvc="http://www.springframework.org/schema/mvc"      xsi:schemaLocation="        http://www.springframework.org/schema/beans   http://www.springframework.org/schema/beans/spring-beans-3.0.xsd    http://www.springframework.org/schema/context      http://www.springframework.org/schema/context/spring-context-3.0.xsd     http://www.springframework.org/schema/aop   http://www.springframework.org/schema/aop/spring-aop-3.0.xsd    http://www.springframework.org/schema/tx      http://www.springframework.org/schema/tx/spring-tx-3.0.xsd          http://www.springframework.org/schema/mvc      http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd              ">            <!-- 控制器(程序员) -->    <bean name="/hello.action" class="cn.itcast.javaee.springmvc.base.HelloAction"></bean>              <!-- 映射器(框架) -->      <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"></bean>                  <!-- 适配器(框架) -->      <bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"></bean>                  <!-- 视图解析器(框架) -->      <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"></bean>              </beans>

步七：部署web应用到tomcat中，通过浏览器访问如下URL：

http://127.0.0.1:8080/springmvc-day01/hello.action

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