1. import java.awt.Color;
   
2. import java.awt.Graphics;
   
3. import java.awt.image.BufferedImage;
   
4. import java.io.IOException;
   
5. 
   
6. import javax.imageio.ImageIO;
   
7. import javax.servlet.ServletException;
   
8. import javax.servlet.http.HttpServlet;
   
9. import javax.servlet.http.HttpServletRequest;
   
10. import javax.servlet.http.HttpServletResponse;
    
11. 
    
12. public class ServletDemo2 extends HttpServlet {
    
13. 
    
14.         private static final int WIDTH=125;
    
15.         private static final int HEIGHT=25;
    
16.         public void doGet(HttpServletRequest request, HttpServletResponse response)
    
17.                         throws ServletException, IOException {
    
18. 
    
19.                 BufferedImage image=new BufferedImage(WIDTH,HEIGHT,BufferedImage.TYPE_INT_RGB);
    
20.                
    
21.                 Graphics g=image.getGraphics();
    
22.                 setBackground(g);
    
23.                 drawBorder(g);
    
24.                 drawRandomLines(g);
    
25.                 drawRandomNum(g);
    
26.                
    
27.                 response.setContentType("image/jpeg");
    
28.                 ImageIO.write(image, "jpg", response.getOutputStream());
    
29.                
    
30.         }

复制代码

页面根本不能打开，为什么呢啊，求解答，是浏览器的问题吗，我用ie和360都不行

1. import java.awt.Color;
   
2. import java.awt.Graphics;
   
3. import java.awt.image.BufferedImage;
   
4. import java.io.IOException;
   
5. 
   
6. import javax.imageio.ImageIO;
   
7. import javax.servlet.ServletException;
   
8. import javax.servlet.http.HttpServlet;
   
9. import javax.servlet.http.HttpServletRequest;
   
10. import javax.servlet.http.HttpServletResponse;
    
11. 
    
12. public class ServletDemo2 extends HttpServlet {
    
13. 
    
14.         private static final int WIDTH=125;
    
15.         private static final int HEIGHT=25;
    
16.         public void doGet(HttpServletRequest request, HttpServletResponse response)
    
17.                         throws ServletException, IOException {
    
18. 
    
19.                 BufferedImage image=new BufferedImage(WIDTH,HEIGHT,BufferedImage.TYPE_INT_RGB);
    
20.                
    
21.                 Graphics g=image.getGraphics();
    
22.                 setBackground(g);
    
23.                 drawBorder(g);
    
24.                 drawRandomLines(g);
    
25.                 drawRandomNum(g);
    
26.                
    
27.                 response.setContentType("image/jpeg");
    
28.                 ImageIO.write(image, "jpg", response.getOutputStream());
    
29.                
    
30.         }

复制代码

页面根本不能打开，为什么呢啊，求解答，是浏览器的问题吗，我用ie和360都不行