我试图设置我的应用程序使用Spring,并且还提供了一个servlet图像服务。我浏览过其他文章,发现类似的主题,但似乎无法让我的配置正常工作。我使用Spring 3.0并使用tomcat 7作为我的应用程序服务器。这里是我的配置:带图像Servlet配置的Spring DispatcherServlet
<!-- The definition of the Root Spring Container shared by all Servlets and Filters -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/app-context.xml</param-value>
</context-param>
<!-- Creates the Spring Container shared by all Servlets and Filters -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- Processes application requests -->
<servlet>
<servlet-name>viewer</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/appServlet/servlet-context.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet>
<servlet-name>imageServlet</servlet-name>
<servlet-class>com.billy.viewer.servlet.ImageServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/imageServlet/imgServlet-context.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>viewer</servlet-name>
<url-pattern>/web/*</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>imageServlet</servlet-name>
<url-pattern>/images/*</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>list.jsp</welcome-file>
</welcome-file-list>
的servlet-context.xml的
<!-- DispatcherServlet Context: defines this servlet's request-processing infrastructure -->
<!-- Enables the Spring MVC @Controller programming model -->
<annotation-driven />
<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources directory -->
<resources mapping="/resources/**" location="/resources/" />
<!-- Resolves views selected for rendering by @Controllers to .jsp resources in the /WEB-INF/views directory -->
<beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<beans:property name="prefix" value="/WEB-INF/views/" />
<beans:property name="suffix" value=".jsp" />
</beans:bean>
<!-- Imports user-defined @Controller beans that process client requests -->
<beans:import resource="controllers.xml" />
<beans:bean id="imageService" class="com.billy.viewer.service.ImageService"></beans:bean>
displayImage.jsp包含该体内
<img alt="Test" src="/images/${image.imageId}">
ImageServlet
public class ImageServlet extends HttpServlet {
private static final int DEFAULT_BUFFER_SIZE = 10240;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
int imageId = Integer.valueOf(request.getPathInfo().substring(1));
System.out.println("Image id: "+imageId);
}
}
我去我的网页罚款,我可以看到img标签上面的其它输出,但图像一直没有出现。我没有看到我的system.out.println图像ID从servelt要么。我的控制台中没有错误消息。
任何建议,将不胜感激。谢谢
感谢您的回复。我删除了imageServlet-context.xml。当我尝试别的东西时,我在那里。我想我误解了其他一些帖子。我认为,如果图像位于本地文件系统的应用程序之外,需要通过servlet进行流式处理,并且我无法在同一请求中获取页面数据和图像?如果我可以,那么这个例子就容易多了。我已经在模型中使用byte []格式的图像。 – blong824 2011-02-28 14:36:45
@ blong824是的,你是对的 - 你必须流式传输它。正如我所说 - 检查萤火虫。 – Bozho 2011-02-28 14:56:26
我检查了萤火虫,我也没有看到任何错误。图像的src是src =“/ image/2”。 – blong824 2011-03-01 01:45:53