<label class="font">验 证 码:</label>
		　<input type="text" id="code" name="code">
		　<img src="codey" id="img">
      看不清，换一个  <br><br><br> 

   

    

     

      

     
     

      

       package code;
      
     
    

     

      

     
     

      

       import java.awt.Color;
      
     
    

     

      

     
     

      

       import java.awt.Graphics;
      
     
    

     

      

     
     

      

       import java.awt.image.BufferedImage;
      
     
    

     

      

     
     

      

       import java.io.IOException;
      
     
    

     

      

     
     

      

       import java.io.OutputStream;
      
     
    

     

      

     
     

      

       import java.util.Random;
      
     
    

     

      

     
     

      

       import javax.servlet.ServletException;
      
     
    

     

      

     
     

      

       import javax.servlet.http.HttpServlet;
      
     
    

     

      

     
     

      

       import javax.servlet.http.HttpServletRequest;
      
     
    

     

      

     
     

      

       import javax.servlet.http.HttpServletResponse;
      
     
    

     

      

     
     

      

       import com.sun.image.codec.jpeg.JPEGCodec;//com.sun.image.codec.jpeg包位于JDK目录的rt.jar包中,它不是公开的API,需要将rt.jar复制到web应用程序的WEB-INF/lib下
      
     
    

     

      

     
     

      

       import com.sun.image.codec.jpeg.JPEGImageEncoder;
      
     
    

     

      

     
     

      
 
      
     
    

     

      

     
     

      

       public class CodeServlet extends HttpServlet {
      
     
    

     

      

     
     

      
     protected void service(HttpServletRequest requ