java 用RGB生成图片动态命名

import java.awt.Graphics2D; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; public class Image { public void colorImage(int r,int g,int b,String rString,String gString,String bString){ int width=16; int height=16; BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); Graphics2D graphics2d=(Graphics2D) bufferedImage.getGraphics(); graphics2d.setBackground(Color.WHITE); graphics2d.clearRect(0, 0, width, height); graphics2d.setPaint(new Color(r,g,b)); graphics2d.fillRect(0, 0, 100, 100); String rgbString=rString+gString+bString; String filePath="D:/workspace/LayerManagement/LayerManagement/WebContent/css/img/image"+rgbString+".png"; //String filePath="d:/image"+rgbString+".png"; File file = new File(filePath); try { ImageIO.write(bufferedImage, "png", file); } catch (IOException e) { e.printStackTrace(); } } }