Java生成印章图片

/**

* 生成图片

*

* @return

* @throws Exception

*/

public static String graphicsGeneration() throws Exception {

// 实际数据行数+标题+备注

int imageWidth = 490;

int imageHeight = 130;

BufferedImage image = new BufferedImage(imageWidth, imageHeight,BufferedImage.TYPE_INT_RGB);

Graphics2D g2d = (Graphics2D) image.getGraphics();

g2d.setColor(Color.WHITE);

g2d.fillRect(0, 0, imageWidth, imageHeight);

// ---------- 增加下面的代码使得背景透明 -----------------

// image =

// g2d.getDeviceConfiguration().createCompatibleImage(imageWidth,

// imageHeight, Transparency.TRANSLUCENT);

// g2d.dispose();

// g2d = image.createGraphics();

// ---------- 背景透明代码结束 -----------------

g2d.setColor(new Color(220, 240, 240));

g2d.setStroke(new BasicStroke(3.0f));

// 画横线

g2d.setColor(Color.red);

g2d.drawLine(10, 10, imageWidth - 10, 10);

g2d.drawLine(10, imageHeight - 10, imageWidth - 10, imageHeight - 10);

// 画竖线

g2d.setColor(Color.red);

g2d.drawLine(10, 10, 10, imageHeight - 10);

g2d.drawLine(imageWidth - 10, 10, imageWidth - 10, imageHeight - 10);

// 设置字体

Font font = new Font("华文楷体", Font.BOLD, 25);

g2d.setFont(font);

// 写入内容

g2d.setColor(Color.black);

font = new Font("华文楷体", Font.BOLD, 25);

g2d.setFont(font);

g2d.drawString("人员：李某某", 12, 45);

g2d.drawString("部门：综合业务处", 12, 100);

g2d.drawString("下载次数：3次", 270, 45);

g2d.drawString("时间：-10-15", 270, 100);

String path = "C:/1.jpg";

ImageIO.write(image, "jpg", new File(path));

return path;

}