jsp实现图片

<img src="path_to_image.jpg" alt="Description of the image">

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class ImageServlet extends HttpServlet {
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("image/jpeg");
        OutputStream out = response.getOutputStream();
        // 这里可以添加生成图片的逻辑，例如使用Java的图像处理API
        // ...
        out.close();
    }
}

<servlet>
    <servlet-name>ImageServlet</servlet-name>
    <servlet-class>ImageServlet</servlet-class>
</servlet>
<servlet-mapping>
    <servlet-name>ImageServlet</servlet-name>
    <url-pattern>/image</url-pattern>
</servlet-mapping>

<img src="image" alt="Dynamically generated image">