tomcat 8使用tomcat url访问位于url应用程序上的图像

<servlet>
    <servlet-name>ImageServlet</servlet-name>
    <servlet-class>com.example.ImageServlet</servlet-class>
</servlet>
<servlet-mapping>
    <servlet-name>ImageServlet</servlet-name>
    <url-pattern>/images/*</url-pattern>
</servlet-mapping>

package com.example;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class ImageServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String imagePath = request.getPathInfo();
        InputStream imageStream = getServletContext().getResourceAsStream(imagePath);

        if (imageStream != null) {
            response.setContentType("image/jpeg");
            ServletOutputStream outputStream = response.getOutputStream();
            byte[] buffer = new byte[1024];
            int bytesRead;
            while ((bytesRead = imageStream.read(buffer)) != -1) {
                outputStream.write(buffer, 0, bytesRead);
            }
            outputStream.close();
        } else {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
        }
    }
}

http://localhost:8080/myapp/images/image.jpg