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="https://www.springframework.org/schema/beans" 
 xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xmlns:p="https://www.springframework.org/schema/p" 
 xmlns:context="https://www.springframework.org/schema/context" 
 xmlns:aop="https://www.springframework.org/schema/aop" 
 xsi:schemaLocation="https://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans-3.0.xsd 
  https://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop-3.0.xsd 
  https://www.springframework.org/schema/tx https://www.springframework.org/schema/tx/spring-tx-3.0.xsd 
  https://www.springframework.org/schema/context https://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="https://www.w3.org/2001/XMLSchema-instance" 
 xmlns="https://java.sun.com/xml/ns/javaee" xmlns:web="https://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" 
 xsi:schemaLocation="https://java.sun.com/xml/ns/javaee https://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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