SpringMVC程序简单实例

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StringMVC程序简单实例

第一步：导入jar包

第二步，在WEB-INF文件夹下创建spring-servlet.xml文件。

<?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:p="http://www.springframework.org/schema/p"  xmlns:context="http://www.springframework.org/schema/context"  xmlns:aop="http://www.springframework.org/schema/aop"  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-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/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">  <!-- 注册aop功能 -->  <aop:aspectj-autoproxy/>    <!-- 自动扫面com.springmvc目录及其子目录下面所有类文件，自动注入所有带注解的类 -->  <context:component-scan base-package="com.yxl.*" />     <!-- 处理请求response返回值，如下配置能正确返回字符串型返回值,如返回值为对象，则自动转为json -->  <bean id="handleAdapter" class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">   <property name="messageConverters">    <list>    <ref bean="mappingJacksonHttpMessageConverter" /><!-- json转换器 -->    <ref bean="mappingStringHttpMessageConverter" />    </list>   </property>  </bean>  <bean id="mappingJacksonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />  <bean id="mappingStringHttpMessageConverter" class="org.springframework.http.converter.StringHttpMessageConverter" />   <!-- 对模型视图名称的解析，即在模型视图名称添加前后缀 -->  <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">    <property name="prefix" value="/WEB-INF/jsp/" />    <property name="suffix" value=".jsp"></property>    <property name="order" value="1"></property>  </bean>   <!-- spring文件上传编码 -->  <bean id="multipartResolver"   class="org.springframework.web.multipart.commons.CommonsMultipartResolver"   p:defaultEncoding="utf-8" /> </beans>   

 第三步：在web.xml文件配置springmvc。

<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"  xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"  id="WebApp_ID" version="2.5">  <display-name>springmvc1</display-name>  <welcome-file-list>   <welcome-file>index.html</welcome-file>   <welcome-file>index.htm</welcome-file>   <welcome-file>index.jsp</welcome-file>   <welcome-file>default.html</welcome-file>   <welcome-file>default.htm</welcome-file>   <welcome-file>default.jsp</welcome-file>  </welcome-file-list>   <!-- 设置编码 -->  <filter>   <filter-name>characterEncodingFilter</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>   <init-param>    <param-name>forceEncoding</param-name>    <param-value>true</param-value>   </init-param>  </filter>    <!-- 配置DispatchcerServlet -->  <servlet>   <servlet-name>Spring MVC Dispatcher Servlet</servlet-name>   <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>   <init-param>     <!-- 配置Spring mvc下的配置文件的位置和名称 -->    <param-name>contextConfigLocation</param-name>    <param-value>     /WEB-INF/spring-servlet.xml    </param-value>   </init-param>   <load-on-startup>1</load-on-startup>  </servlet>  <!-- 配置DispatchcerServlet 拦击路径'/'所有访问都拦截-->  <servlet-mapping>   <servlet-name>Spring MVC Dispatcher Servlet</servlet-name>   <url-pattern>/</url-pattern>  </servlet-mapping>   </web-app>  

 第四步：创建一个控制器。

 

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