空心验证码（定制）悟寰轩

 1 　　　Graphics2D graphics = (Graphics2D) image.getGraphics();
 2         graphics.setColor(color);
 3         RenderingHints hints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
 4         hints.add(new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY));
 5         graphics.setRenderingHints(hints);
 6         FontRenderContext frc = graphics.getFontRenderContext();
 7         
 8         char[] wordChars = text.toCharArray();
 9         int startPosY = 40;
10         int startPosX = 60;
11         Random random = new Random();
12         for (int i = 0; i < wordChars.length; i++) {
13             graphics.setFont(fonts[0]);
14             char[] charToDraw = new char[] { wordChars[i] };
15             GlyphVector fontGV = fonts[0].createGlyphVector(frc, charToDraw);
16             Shape textShape = fontGV.getOutline();
17             AffineTransform rotate45 = AffineTransform.getRotateInstance(30 * Math.PI, 0, 0);
18             Shape rotatedText = rotate45.createTransformedShape(textShape);
19             graphics.translate(startPosX, startPosY);
20             graphics.draw(rotatedText);
21             startPosX = (random.nextInt(3) + 1) * 10;
22             startPosY = (random.nextInt(3) + 1);
23         }
24 
25 　　graphics.dispose();

扣空心，只支持一个一个字符的～，多个字符需要循环draw.

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原文地址：https://www.cnblogs.com/sunxucool/p/3123544.html

空心验证码（定制） 悟寰轩

空心验证码（定制）悟寰轩