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| | | public class ImageVerificationCode { |
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| | | private int weight = 100; //验证码图片的长和宽 |
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| | | private int height = 40; |
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| | | private int weight = 400; //验证码图片的长和宽 |
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| | | private int height = 160; |
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| | | private String text; //用来保存验证码的文本内容 |
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| | | private Random r = new Random(); //获取随机数对象 |
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| | | //private String[] fontNames = {"宋体", "华文楷体", "黑体", "微软雅黑", "楷体_GB2312"}; //字体数组 |
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| | | int index = r.nextInt(fontNames.length); //获取随机的字体 |
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| | | String fontName = fontNames[index]; |
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| | | int style = r.nextInt(4); //随机获取字体的样式，0是无样式，1是加粗，2是斜体，3是加粗加斜体 |
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| | | int size = r.nextInt(10) + 24; //随机获取字体的大小 |
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| | | int size = r.nextInt(130) + 36; //随机获取字体的大小 |
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| | | return new Font(fontName, style, size); //返回一个随机的字体 |
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| | | } |
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| | | * @param image |
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| | | */ |
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| | | private void drawLine(BufferedImage image) { |
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| | | int num = r.nextInt(10); //定义干扰线的数量 |
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| | | int num = r.nextInt(15); //定义干扰线的数量 |
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| | | Graphics2D g = (Graphics2D) image.getGraphics(); |
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| | | for (int i = 0; i < num; i++) { |
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| | | int x1 = r.nextInt(weight); |
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| | | float x = i * 1.0F * weight / 4; //定义字符的x坐标 |
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| | | g.setFont(randomFont()); //设置字体，随机 |
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| | | g.setColor(randomColor()); //设置颜色，随机 |
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| | | g.drawString(s, x, height - 5); |
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| | | g.drawString(s, x, height - 10); |
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| | | } |
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| | | this.text = sb.toString(); |
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| | | drawLine(image); |
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