摘要：
效果如下：IdentityServlet.javapackage com.hxxy2003.firstproject;import java.awt.Color;import java.awt.Font;import java.awt.Graphics2D;import java.awt.image.BufferedImage;import java.io.IOException;import java.io.PrintWriter;import java.util.Random;import javax.servlet.ServletException;import javax.servle 阅读全文
