package com.matrix.component.tools; 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; import com.matrix.core.tools.StringUtils; import com.matrix.core.tools.UUIDUtil; import com.matrix.system.common.constance.AppConstance; import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Component; import javax.imageio.ImageIO; import java.awt.*; import java.awt.geom.RoundRectangle2D; import java.awt.image.BufferedImage; import java.io.File; import java.io.OutputStream; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Hashtable; @Component public class CodeUtil { @Value("${file_storage_path}") private String fileStoragePath; @Value("${static_resource_url}") private String staticResourceUrl; private static final String CHARSET = "utf-8"; private static final String FORMAT_NAME = "JPG"; // 二维码尺寸 private static final int QRCODE_SIZE = 300; // LOGO宽度 private static final int WIDTH = 60; // LOGO高度 private static final int HEIGHT = 60; private static BufferedImage createImage(String content, String imgPath, boolean needCompress,String title) throws Exception { Hashtable hints = new Hashtable(); hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H); hints.put(EncodeHintType.CHARACTER_SET, CHARSET); hints.put(EncodeHintType.MARGIN, 1); BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, QRCODE_SIZE, QRCODE_SIZE, hints); int width = bitMatrix.getWidth(); int height = bitMatrix.getHeight(); 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, bitMatrix.get(x, y) ? 0xFF000000 : 0xFFFFFFFF); } } if (StringUtils.isNotBlank(imgPath)) { // 插入图片 CodeUtil.insertImage(image, imgPath, needCompress); } if(StringUtils.isNotBlank(title)){ //插入标题 // CodeUtil.insertTitle(image, title); } return image; } private static void insertTitle(BufferedImage source, String title) { BufferedImage image = new BufferedImage(300, 360, BufferedImage.TYPE_INT_RGB); for (int x = 0; x < 300; x++) { for (int y = 0; y < 360; y++) { image.setRGB(x, y, 0xFFFFFFFF); } } Graphics2D graph = image.createGraphics(); graph.drawImage(source, 20, 60, 300, 300, null); Shape shape = new RoundRectangle2D.Float(20, 60, 300, 300, 6, 6); graph.setStroke(new BasicStroke(3f)); graph.draw(shape); // 插入LOGO graph.setFont(new Font("黑体", Font.BOLD, 36)); graph.setColor(Color.BLACK); graph.drawString(title, 10, 10); graph.dispose(); } /** * 插入LOGO * * @param source * 二维码图片 * @param imgPath * LOGO图片地址 * @param needCompress * 是否压缩 * @throws Exception */ private static void insertImage(BufferedImage source, String imgPath, boolean needCompress) throws Exception { File file = new File(imgPath); if (!file.exists()) { System.err.println(""+imgPath+" 该文件不存在！"); return; } Image src = ImageIO.read(new File(imgPath)); int width = src.getWidth(null); int height = src.getHeight(null); if (needCompress) { // 压缩LOGO if (width > WIDTH) { width = WIDTH; } if (height > HEIGHT) { height = HEIGHT; } Image image = src.getScaledInstance(width, height, Image.SCALE_SMOOTH); BufferedImage tag = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); Graphics g = tag.getGraphics(); g.drawImage(image, 0, 0, null); // 绘制缩小后的图 g.dispose(); src = image; } // 插入LOGO Graphics2D graph = source.createGraphics(); int x = (QRCODE_SIZE - width) / 2; int y = (QRCODE_SIZE - height) / 2; graph.drawImage(src, x, y, width, height, null); Shape shape = new RoundRectangle2D.Float(x, y, width, width, 6, 6); graph.setStroke(new BasicStroke(3f)); graph.draw(shape); graph.dispose(); } /** * 生成二维码(内嵌LOGO) * * @param content * 内容 * @param imgPath * LOGO地址 * @param destPath * 存放目录 * @param needCompress * 是否压缩LOGO * @throws Exception */ public static void encode(String content, String imgPath, String destPath, boolean needCompress) throws Exception { BufferedImage image = CodeUtil.createImage(content, imgPath, needCompress,null); mkdirs(destPath);//new Random().nextInt(99999999) String file = UUIDUtil.getRandomID()+".jpg"; ImageIO.write(image, FORMAT_NAME, new File(destPath+"/"+file)); } public String encode(String content, String imgPath, boolean needCompress, String title) throws Exception { BufferedImage image = CodeUtil.createImage(content, imgPath, needCompress,title); // 图片保存目录路径 String savePath = fileStoragePath; // 图片保存目录URL String saveUrl = staticResourceUrl; // 以账号ID命名创建文件夹 savePath+="qrCode" + File.separatorChar; saveUrl+="qrCode" + File.separatorChar; // 创建是日期文件夹 SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); String ymd = sdf.format(new Date()); savePath+= ymd + File.separatorChar; saveUrl+=ymd + "/"; mkdirs(savePath);//new Random().nextInt(99999999) String file = UUIDUtil.getRandomID()+".jpg"; ImageIO.write(image, FORMAT_NAME, new File(savePath+"/"+file)); return saveUrl+file; } /** * 当文件夹不存在时，mkdirs会自动创建多层目录，区别于mkdir．(mkdir如果父目录不存在则会抛出异常) * @author lanyuan * Email: mmm333zzz520@163.com * @date 2013-12-11 上午10:16:36 * @param destPath 存放目录 */ public static void mkdirs(String destPath) { File file =new File(destPath); //当文件夹不存在时，mkdirs会自动创建多层目录，区别于mkdir．(mkdir如果父目录不存在则会抛出异常) if (!file.exists() && !file.isDirectory()) { file.mkdirs(); } } /** * 生成二维码(内嵌LOGO) * * @param content * 内容 * @param imgPath * LOGO地址 * @param destPath * 存储地址 * @throws Exception */ public static void encode(String content, String imgPath, String destPath) throws Exception { CodeUtil.encode(content, imgPath, destPath, false); } /** * 生成二维码 * * @param content * 内容 * @param destPath * 存储地址 * @param needCompress * 是否压缩LOGO * @throws Exception */ public static void encode(String content, String destPath, boolean needCompress) throws Exception { CodeUtil.encode(content, null, destPath, needCompress); } /** * 生成二维码 * * @param content * 内容 * @param destPath * 存储地址 * @throws Exception */ public static void encode(String content, String destPath) throws Exception { CodeUtil.encode(content, null, destPath, false); } /** * 生成二维码(内嵌LOGO) * * @param content * 内容 * @param imgPath * LOGO地址 * @param output * 输出流 * @param needCompress * 是否压缩LOGO * @throws Exception */ public static void encode(String content, String imgPath, OutputStream output, boolean needCompress) throws Exception { BufferedImage image = CodeUtil.createImage(content, imgPath, needCompress,null); ImageIO.write(image, FORMAT_NAME, output); } /** * 生成二维码 * * @param content * 内容 * @param output * 输出流 * @throws Exception */ public static void encode(String content, OutputStream output) throws Exception { CodeUtil.encode(content, null, output, false); } public static void main(String[] args) throws Exception { /* String text = "http://www.baidu.com"; System.out.println(CodeUtil.encode(text, "", true, "你好","111"));*/ } }