package com.youngdeer.DbConnect;import java.awt.BasicStroke;import java.awt.Color;import java.awt.Graphics2D;import java.awt.geom.RoundRectangle2D;import java.awt.image.BufferedImage;import java.io.File;import java.io.IOException;import java.util.Hashtable;import javax.imageio.ImageIO;import com.google.zxing.BarcodeFormat;import com.google.zxing.EncodeHintType;import com.google.zxing.MultiFormatWriter;import com.google.zxing.common.BitMatrix;import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;public class QrcodeTest {		private static final int BLACK = 0xFF000000;//用于设置图案的颜色  		private static final int WHITE = 0xFFFFFFFF; //用于背景色  	public static void main(String args[]){		String text = "http://youngdeer.top:8080/apidoc/";		int width = 800;		int height = 800;		String format = "png";		Hashtable hints = new Hashtable();		hints.put(EncodeHintType.CHARACTER_SET, "utf-8");		hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);		hints.put(EncodeHintType.MARGIN, 2);		try {			BitMatrix matrix = new MultiFormatWriter().encode(text, BarcodeFormat.QR_CODE, width, height, hints);			BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);			for (int x = 0; x < width; x++) {				for (int y = 0; y < height; y++) {					image.setRGB(x, y, (matrix.get(x, y) ? BLACK : WHITE));				}			}			image = new QrcodeTest().LogoMatrix(image);			File file=new File("D:/new.png");//在D盘生成二维码图片			ImageIO.write(image, format, file);		} catch (Exception e) { 			e.printStackTrace();		}	}	    /**     * 设置 logo      * @param matrixImage 源二维码图片     * @return 返回带有logo的二维码图片     * @throws IOException     */      public BufferedImage LogoMatrix(BufferedImage matrixImage) throws IOException{           /**          * 读取二维码图片，并构建绘图对象          */          Graphics2D g2 = matrixImage.createGraphics();                      int matrixWidth = matrixImage.getWidth();           int matrixHeigh = matrixImage.getHeight();                       /**          * 读取Logo图片          */          BufferedImage logo = ImageIO.read(new File("D:/jcptapp.png"));              //开始绘制图片          g2.drawImage(logo,matrixWidth/5*2,matrixHeigh/5*2, matrixWidth/5, matrixHeigh/5, null);//绘制               BasicStroke stroke = new BasicStroke(5,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND);            g2.setStroke(stroke);// 设置笔画对象          //指定弧度的圆角矩形          RoundRectangle2D.Float round = new RoundRectangle2D.Float(matrixWidth/5*2, matrixHeigh/5*2, matrixWidth/5, matrixHeigh/5,20,20);          g2.setColor(Color.white);          g2.draw(round);// 绘制圆弧矩形          //设置logo 有一道灰色边框          BasicStroke stroke2 = new BasicStroke(1,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND);            g2.setStroke(stroke2);// 设置笔画对象          RoundRectangle2D.Float round2 = new RoundRectangle2D.Float(matrixWidth/5*2+2, matrixHeigh/5*2+2, matrixWidth/5-4, matrixHeigh/5-4,20,20);          g2.setColor(new Color(128,128,128));           g2.draw(round2);// 绘制圆弧矩形          g2.dispose();          matrixImage.flush() ;          return matrixImage ;       } }