基于SSH2框架的登录验证码的实现 - 图文

* 功能：给定范围获得随机颜色

*/

private Color getRandColor(int fc, int bc) { 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); }

/**

* 功能：获取验证码的字符串值

*

* @return */

public String getVerificationCodeValue() { return this.getStr(); }

/**

* 功能：取得验证码图片

*

* @return */

public ByteArrayInputStream getImage() { return this.image; }

public String getStr() { return str; }

public void setStr(String str) { this.str = str; }

public void setImage(ByteArrayInputStream image) { this.image = image; } }