产生彩色验证码_(javabean实现)

本文将教你如何一步一步地使用javabean实现了产生彩色验证码的全过程，并提供源代码。

文件名：Image.java ===================================== /*  * Created on 2004-8-4  *  * To change the template for this generated file go to  * Window>Preferences>Java>Code Generation>Code and Comments  */ package myclass.test; import java.awt.*; import java.awt.image.*; import java.util.*; /**  * @author  *  * To change the template for this generated type comment go to  * Window>Preferences>Java>Code Generation>Code and Comments  */ public class Image {     public String sRand="";     public Color getRandColor(int fc,int bc){//给定范围获得随机颜色    Random random = new Random();    if(fc>255) fc=255;    if(bc>255) bc=255;    int r=fc+random.nextInt(bc-fc);    int g=fc+random.nextInt(bc-fc);    int b=fc+random.nextInt(bc-fc);    return new Color(r,g,b);    }   public BufferedImage creatImage(){  // 在内存中创建图象     int width=60, height=20;     BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);     // 获取图形上下文     Graphics g = image.getGraphics();     //生成随机类     Random random = new Random();     // 设定背景色     g.setColor(getRandColor(200,250));     g.fillRect(0, 0, width, height);     //设定字体     g.setFont(new Font("Times New Roman",Font.PLAIN,18));