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@@ -12,7 +12,8 @@ import java.util.Map;
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import java.util.Objects;
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import java.util.Objects;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageIO;
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-import sun.misc.BASE64Decoder;
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+
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+import org.apache.commons.codec.binary.Base64;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.lang3.StringUtils;
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import com.google.zxing.BarcodeFormat;
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import com.google.zxing.BarcodeFormat;
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@@ -20,200 +21,203 @@ import com.google.zxing.EncodeHintType;
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import com.google.zxing.MultiFormatWriter;
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import com.google.zxing.MultiFormatWriter;
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import com.google.zxing.common.BitMatrix;
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import com.google.zxing.common.BitMatrix;
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-
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public class CodeUtil {
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public class CodeUtil {
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- private static final int QRCOLOR = 0xFF000000; // 默认是黑色
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- private static final int BGWHITE = 0xFFFFFFFF; // 背景颜色
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- private static final int WIDTH = 300; // 二维码宽
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- private static final int HEIGHT = 300; // 二维码高
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-
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- /**
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- *生成带logo的二维码图片
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- * @param logoFile /logo图片文件
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- * @param codeFile /二维码图片
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- * @param qrUrl /二维码存储的信息:vcard格式
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- * @param note /二维码描述信息
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- */
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- public static void drawLogoQRCode(File logoFile, File codeFile, String qrUrl, String note) {
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- try {
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- MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
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- // 参数顺序分别为:编码内容,编码类型,生成图片宽度,生成图片高度,设置参数
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- BitMatrix bm = multiFormatWriter.encode(qrUrl, BarcodeFormat.QR_CODE, WIDTH, HEIGHT, hints);
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- BufferedImage image = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);
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-
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- // 开始利用二维码数据创建Bitmap图片,分别设为黑(0xFFFFFFFF)白(0xFF000000)两色
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- for (int x = 0; x < WIDTH; x++) {
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- for (int y = 0; y < HEIGHT; y++) {
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- image.setRGB(x, y, bm.get(x, y) ? QRCOLOR : BGWHITE);
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- }
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- }
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-
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- int width = image.getWidth();
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- int height = image.getHeight();
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- if (Objects.nonNull(logoFile) && logoFile.exists()) {
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- // 构建绘图对象
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- Graphics2D g = image.createGraphics();
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- // 读取Logo图片
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- BufferedImage logo = ImageIO.read(logoFile);
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- // 开始绘制logo图片
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- g.drawImage(logo, width * 2 / 5, height * 2 / 5, width * 2 / 10, height * 2 / 10, null);
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- g.dispose();
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- logo.flush();
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- }
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-
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- // 自定义文本描述
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- if (StringUtils.isNotEmpty(note)) {
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- // 新的图片,把带logo的二维码下面加上文字
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- BufferedImage outImage = new BufferedImage(400, 445, BufferedImage.TYPE_4BYTE_ABGR);
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- Graphics2D outg = outImage.createGraphics();
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- // 画二维码到新的面板
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- outg.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
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- // 画文字到新的面板
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- outg.setColor(Color.BLACK);
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- outg.setFont(new Font("楷体", Font.BOLD, 30)); // 字体、字型、字号
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- int strWidth = outg.getFontMetrics().stringWidth(note);
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- if (strWidth > WIDTH) {
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- // //长度过长就截取前面部分
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- // 长度过长就换行
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- String note1 = note.substring(0, note.length() / 2);
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- String note2 = note.substring(note.length() / 2, note.length());
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- int strWidth1 = outg.getFontMetrics().stringWidth(note1);
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- int strWidth2 = outg.getFontMetrics().stringWidth(note2);
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- outg.drawString(note1, 200 - strWidth1 / 2, height + (outImage.getHeight() - height) / 2 + 12);
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- BufferedImage outImage2 = new BufferedImage(400, 485, BufferedImage.TYPE_4BYTE_ABGR);
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- Graphics2D outg2 = outImage2.createGraphics();
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- outg2.drawImage(outImage, 0, 0, outImage.getWidth(), outImage.getHeight(), null);
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- outg2.setColor(Color.BLACK);
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- outg2.setFont(new Font("宋体", Font.BOLD, 30)); // 字体、字型、字号
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- outg2.drawString(note2, 200 - strWidth2 / 2,outImage.getHeight() + (outImage2.getHeight() - outImage.getHeight()) / 2 + 5);
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- outg2.dispose();
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- outImage2.flush();
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- outImage = outImage2;
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- } else {
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- outg.drawString(note, 200 - strWidth / 2, height + (outImage.getHeight() - height) / 2 + 12); // 画文字
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- }
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- outg.dispose();
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- outImage.flush();
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- image = outImage;
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- }
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-
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- image.flush();
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-
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- ImageIO.write(image, "png", codeFile); // TODO
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- if (Objects.nonNull(logoFile) && logoFile.exists()) {
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- logoFile.delete();
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- }
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- } catch (Exception e) {
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- e.printStackTrace();
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- }
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- }
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-
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- /**
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- *生成带logo的二维码图片
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- * @param logoFile /logo图片文件
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- * @param codeFile /二维码图片
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- * @param qrUrl /二维码存储的信息:vcard格式
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- * @param note /二维码描述信息
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- */
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- public static byte[] drawLogoQRCodeByte(BufferedImage logo, ByteArrayOutputStream codeFile, String qrUrl, String note) {
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- byte[] bs = null;
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- try {
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- MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
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- // 参数顺序分别为:编码内容,编码类型,生成图片宽度,生成图片高度,设置参数
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- BitMatrix bm = multiFormatWriter.encode(qrUrl, BarcodeFormat.QR_CODE, WIDTH, HEIGHT, hints);
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- BufferedImage image = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);
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-
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- // 开始利用二维码数据创建Bitmap图片,分别设为黑(0xFFFFFFFF)白(0xFF000000)两色
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- for (int x = 0; x < WIDTH; x++) {
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- for (int y = 0; y < HEIGHT; y++) {
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- image.setRGB(x, y, bm.get(x, y) ? QRCOLOR : BGWHITE);
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- }
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- }
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-
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- int width = image.getWidth();
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- int height = image.getHeight();
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- if (Objects.nonNull(logo)) {
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- // 构建绘图对象
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- Graphics2D g = image.createGraphics();
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- // 读取Logo图片
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- //BufferedImage logo = ImageIO.read(logoFile);
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- // 开始绘制logo图片
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- g.drawImage(logo, width * 2 / 5, height * 2 / 5, width * 2 / 10, height * 2 / 10, null);
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- g.dispose();
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- logo.flush();
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- }
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-
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- // 自定义文本描述
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- if (StringUtils.isNotEmpty(note)) {
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- // 新的图片,把带logo的二维码下面加上文字
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- BufferedImage outImage = new BufferedImage(400, 445, BufferedImage.TYPE_4BYTE_ABGR);
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- Graphics2D outg = outImage.createGraphics();
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- // 画二维码到新的面板
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- outg.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
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- // 画文字到新的面板
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- outg.setColor(Color.BLACK);
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- outg.setFont(new Font("楷体", Font.BOLD, 30)); // 字体、字型、字号
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- int strWidth = outg.getFontMetrics().stringWidth(note);
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- if (strWidth > WIDTH) {
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- // //长度过长就截取前面部分
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- // 长度过长就换行
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- String note1 = note.substring(0, note.length() / 2);
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- String note2 = note.substring(note.length() / 2, note.length());
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- int strWidth1 = outg.getFontMetrics().stringWidth(note1);
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- int strWidth2 = outg.getFontMetrics().stringWidth(note2);
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- outg.drawString(note1, 200 - strWidth1 / 2, height + (outImage.getHeight() - height) / 2 + 12);
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- BufferedImage outImage2 = new BufferedImage(400, 485, BufferedImage.TYPE_4BYTE_ABGR);
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- Graphics2D outg2 = outImage2.createGraphics();
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- outg2.drawImage(outImage, 0, 0, outImage.getWidth(), outImage.getHeight(), null);
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- outg2.setColor(Color.BLACK);
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- outg2.setFont(new Font("宋体", Font.BOLD, 30)); // 字体、字型、字号
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- outg2.drawString(note2, 200 - strWidth2 / 2,outImage.getHeight() + (outImage2.getHeight() - outImage.getHeight()) / 2 + 5);
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- outg2.dispose();
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- outImage2.flush();
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- outImage = outImage2;
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- } else {
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- outg.drawString(note, 200 - strWidth / 2, height + (outImage.getHeight() - height) / 2 + 12); // 画文字
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- }
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- outg.dispose();
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- outImage.flush();
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- image = outImage;
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- }
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-
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- image.flush();
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-
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- ImageIO.write(image, "png", codeFile); // TODO
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- bs = codeFile.toByteArray();
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- } catch (Exception e) {
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- e.printStackTrace();
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- }
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- return bs;
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- }
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-
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- // 用于设置QR二维码参数
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- private static Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>() {
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- private static final long serialVersionUID = 1L;
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- {
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- //put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);// 设置QR二维码的纠错级别(H为最高级别)具体级别信息
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- put(EncodeHintType.CHARACTER_SET, "utf-8");// 设置编码方式
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- put(EncodeHintType.MARGIN, 1);
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- }
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- };
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-
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- /**
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- * 将base64字符解码保存文件
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- *
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- * @param base64Code
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- * @param targetPath
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- * @throws Exception
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- */
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- public static File decoderBase64File(String targetPath, String base64Code) throws Exception {
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- System.out.println("base64Code="+base64Code);
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- System.out.println("targetPath="+targetPath);
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- byte[] buffer = new BASE64Decoder().decodeBuffer(base64Code);
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- FileOutputStream out = new FileOutputStream(targetPath);
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- out.write(buffer);
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- out.close();
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- File file = new File(targetPath);
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- return file;
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- }
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+ private static final int QRCOLOR = 0xFF000000; // 默认是黑色
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+ private static final int BGWHITE = 0xFFFFFFFF; // 背景颜色
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+ private static final int WIDTH = 300; // 二维码宽
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+ private static final int HEIGHT = 300; // 二维码高
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+
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+ /**
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+ * 生成带logo的二维码图片
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+ *
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+ * @param logoFile /logo图片文件
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+ * @param codeFile /二维码图片
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+ * @param qrUrl /二维码存储的信息:vcard格式
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+ * @param note /二维码描述信息
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+ */
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+ public static void drawLogoQRCode(File logoFile, File codeFile, String qrUrl, String note) {
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+ try {
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+ MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
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+ // 参数顺序分别为:编码内容,编码类型,生成图片宽度,生成图片高度,设置参数
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+ BitMatrix bm = multiFormatWriter.encode(qrUrl, BarcodeFormat.QR_CODE, WIDTH, HEIGHT, hints);
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+ BufferedImage image = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);
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+
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+ // 开始利用二维码数据创建Bitmap图片,分别设为黑(0xFFFFFFFF)白(0xFF000000)两色
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+ for (int x = 0; x < WIDTH; x++) {
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+ for (int y = 0; y < HEIGHT; y++) {
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+ image.setRGB(x, y, bm.get(x, y) ? QRCOLOR : BGWHITE);
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+ }
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+ }
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+
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+ int width = image.getWidth();
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+ int height = image.getHeight();
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+ if (Objects.nonNull(logoFile) && logoFile.exists()) {
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+ // 构建绘图对象
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+ Graphics2D g = image.createGraphics();
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+ // 读取Logo图片
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+ BufferedImage logo = ImageIO.read(logoFile);
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+ // 开始绘制logo图片
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+ g.drawImage(logo, width * 2 / 5, height * 2 / 5, width * 2 / 10, height * 2 / 10, null);
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+ g.dispose();
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+ logo.flush();
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+ }
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+
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+ // 自定义文本描述
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+ if (StringUtils.isNotEmpty(note)) {
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|
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+ // 新的图片,把带logo的二维码下面加上文字
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|
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+ BufferedImage outImage = new BufferedImage(400, 445, BufferedImage.TYPE_4BYTE_ABGR);
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+ Graphics2D outg = outImage.createGraphics();
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+ // 画二维码到新的面板
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+ outg.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
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+ // 画文字到新的面板
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+ outg.setColor(Color.BLACK);
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+ outg.setFont(new Font("楷体", Font.BOLD, 30)); // 字体、字型、字号
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+ int strWidth = outg.getFontMetrics().stringWidth(note);
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+ if (strWidth > WIDTH) {
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+ // //长度过长就截取前面部分
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+ // 长度过长就换行
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|
|
+ String note1 = note.substring(0, note.length() / 2);
|
|
|
|
|
+ String note2 = note.substring(note.length() / 2, note.length());
|
|
|
|
|
+ int strWidth1 = outg.getFontMetrics().stringWidth(note1);
|
|
|
|
|
+ int strWidth2 = outg.getFontMetrics().stringWidth(note2);
|
|
|
|
|
+ outg.drawString(note1, 200 - strWidth1 / 2, height + (outImage.getHeight() - height) / 2 + 12);
|
|
|
|
|
+ BufferedImage outImage2 = new BufferedImage(400, 485, BufferedImage.TYPE_4BYTE_ABGR);
|
|
|
|
|
+ Graphics2D outg2 = outImage2.createGraphics();
|
|
|
|
|
+ outg2.drawImage(outImage, 0, 0, outImage.getWidth(), outImage.getHeight(), null);
|
|
|
|
|
+ outg2.setColor(Color.BLACK);
|
|
|
|
|
+ outg2.setFont(new Font("宋体", Font.BOLD, 30)); // 字体、字型、字号
|
|
|
|
|
+ outg2.drawString(note2, 200 - strWidth2 / 2,
|
|
|
|
|
+ outImage.getHeight() + (outImage2.getHeight() - outImage.getHeight()) / 2 + 5);
|
|
|
|
|
+ outg2.dispose();
|
|
|
|
|
+ outImage2.flush();
|
|
|
|
|
+ outImage = outImage2;
|
|
|
|
|
+ } else {
|
|
|
|
|
+ outg.drawString(note, 200 - strWidth / 2, height + (outImage.getHeight() - height) / 2 + 12); // 画文字
|
|
|
|
|
+ }
|
|
|
|
|
+ outg.dispose();
|
|
|
|
|
+ outImage.flush();
|
|
|
|
|
+ image = outImage;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ image.flush();
|
|
|
|
|
+
|
|
|
|
|
+ ImageIO.write(image, "png", codeFile); // TODO
|
|
|
|
|
+ if (Objects.nonNull(logoFile) && logoFile.exists()) {
|
|
|
|
|
+ logoFile.delete();
|
|
|
|
|
+ }
|
|
|
|
|
+ } catch (Exception e) {
|
|
|
|
|
+ e.printStackTrace();
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ /**
|
|
|
|
|
+ * 生成带logo的二维码图片
|
|
|
|
|
+ *
|
|
|
|
|
+ * @param logoFile /logo图片文件
|
|
|
|
|
+ * @param codeFile /二维码图片
|
|
|
|
|
+ * @param qrUrl /二维码存储的信息:vcard格式
|
|
|
|
|
+ * @param note /二维码描述信息
|
|
|
|
|
+ */
|
|
|
|
|
+ public static byte[] drawLogoQRCodeByte(BufferedImage logo, ByteArrayOutputStream codeFile, String qrUrl,
|
|
|
|
|
+ String note) {
|
|
|
|
|
+ byte[] bs = null;
|
|
|
|
|
+ try {
|
|
|
|
|
+ MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
|
|
|
|
|
+ // 参数顺序分别为:编码内容,编码类型,生成图片宽度,生成图片高度,设置参数
|
|
|
|
|
+ BitMatrix bm = multiFormatWriter.encode(qrUrl, BarcodeFormat.QR_CODE, WIDTH, HEIGHT, hints);
|
|
|
|
|
+ BufferedImage image = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);
|
|
|
|
|
+
|
|
|
|
|
+ // 开始利用二维码数据创建Bitmap图片,分别设为黑(0xFFFFFFFF)白(0xFF000000)两色
|
|
|
|
|
+ for (int x = 0; x < WIDTH; x++) {
|
|
|
|
|
+ for (int y = 0; y < HEIGHT; y++) {
|
|
|
|
|
+ image.setRGB(x, y, bm.get(x, y) ? QRCOLOR : BGWHITE);
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ int width = image.getWidth();
|
|
|
|
|
+ int height = image.getHeight();
|
|
|
|
|
+ if (Objects.nonNull(logo)) {
|
|
|
|
|
+ // 构建绘图对象
|
|
|
|
|
+ Graphics2D g = image.createGraphics();
|
|
|
|
|
+ // 读取Logo图片
|
|
|
|
|
+ // BufferedImage logo = ImageIO.read(logoFile);
|
|
|
|
|
+ // 开始绘制logo图片
|
|
|
|
|
+ g.drawImage(logo, width * 2 / 5, height * 2 / 5, width * 2 / 10, height * 2 / 10, null);
|
|
|
|
|
+ g.dispose();
|
|
|
|
|
+ logo.flush();
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ // 自定义文本描述
|
|
|
|
|
+ if (StringUtils.isNotEmpty(note)) {
|
|
|
|
|
+ // 新的图片,把带logo的二维码下面加上文字
|
|
|
|
|
+ BufferedImage outImage = new BufferedImage(400, 445, BufferedImage.TYPE_4BYTE_ABGR);
|
|
|
|
|
+ Graphics2D outg = outImage.createGraphics();
|
|
|
|
|
+ // 画二维码到新的面板
|
|
|
|
|
+ outg.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
|
|
|
|
|
+ // 画文字到新的面板
|
|
|
|
|
+ outg.setColor(Color.BLACK);
|
|
|
|
|
+ outg.setFont(new Font("楷体", Font.BOLD, 30)); // 字体、字型、字号
|
|
|
|
|
+ int strWidth = outg.getFontMetrics().stringWidth(note);
|
|
|
|
|
+ if (strWidth > WIDTH) {
|
|
|
|
|
+ // //长度过长就截取前面部分
|
|
|
|
|
+ // 长度过长就换行
|
|
|
|
|
+ String note1 = note.substring(0, note.length() / 2);
|
|
|
|
|
+ String note2 = note.substring(note.length() / 2, note.length());
|
|
|
|
|
+ int strWidth1 = outg.getFontMetrics().stringWidth(note1);
|
|
|
|
|
+ int strWidth2 = outg.getFontMetrics().stringWidth(note2);
|
|
|
|
|
+ outg.drawString(note1, 200 - strWidth1 / 2, height + (outImage.getHeight() - height) / 2 + 12);
|
|
|
|
|
+ BufferedImage outImage2 = new BufferedImage(400, 485, BufferedImage.TYPE_4BYTE_ABGR);
|
|
|
|
|
+ Graphics2D outg2 = outImage2.createGraphics();
|
|
|
|
|
+ outg2.drawImage(outImage, 0, 0, outImage.getWidth(), outImage.getHeight(), null);
|
|
|
|
|
+ outg2.setColor(Color.BLACK);
|
|
|
|
|
+ outg2.setFont(new Font("宋体", Font.BOLD, 30)); // 字体、字型、字号
|
|
|
|
|
+ outg2.drawString(note2, 200 - strWidth2 / 2,
|
|
|
|
|
+ outImage.getHeight() + (outImage2.getHeight() - outImage.getHeight()) / 2 + 5);
|
|
|
|
|
+ outg2.dispose();
|
|
|
|
|
+ outImage2.flush();
|
|
|
|
|
+ outImage = outImage2;
|
|
|
|
|
+ } else {
|
|
|
|
|
+ outg.drawString(note, 200 - strWidth / 2, height + (outImage.getHeight() - height) / 2 + 12); // 画文字
|
|
|
|
|
+ }
|
|
|
|
|
+ outg.dispose();
|
|
|
|
|
+ outImage.flush();
|
|
|
|
|
+ image = outImage;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ image.flush();
|
|
|
|
|
+
|
|
|
|
|
+ ImageIO.write(image, "png", codeFile); // TODO
|
|
|
|
|
+ bs = codeFile.toByteArray();
|
|
|
|
|
+ } catch (Exception e) {
|
|
|
|
|
+ e.printStackTrace();
|
|
|
|
|
+ }
|
|
|
|
|
+ return bs;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ // 用于设置QR二维码参数
|
|
|
|
|
+ private static Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>() {
|
|
|
|
|
+ private static final long serialVersionUID = 1L;
|
|
|
|
|
+ {
|
|
|
|
|
+ // put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);//
|
|
|
|
|
+ // 设置QR二维码的纠错级别(H为最高级别)具体级别信息
|
|
|
|
|
+ put(EncodeHintType.CHARACTER_SET, "utf-8");// 设置编码方式
|
|
|
|
|
+ put(EncodeHintType.MARGIN, 1);
|
|
|
|
|
+ }
|
|
|
|
|
+ };
|
|
|
|
|
+
|
|
|
|
|
+ /**
|
|
|
|
|
+ * 将base64字符解码保存文件
|
|
|
|
|
+ *
|
|
|
|
|
+ * @param base64Code
|
|
|
|
|
+ * @param targetPath
|
|
|
|
|
+ * @throws Exception
|
|
|
|
|
+ */
|
|
|
|
|
+ public static File decoderBase64File(String targetPath, String base64Code) throws Exception {
|
|
|
|
|
+ byte[] buffer = Base64.decodeBase64(base64Code);
|
|
|
|
|
+ FileOutputStream out = new FileOutputStream(targetPath);
|
|
|
|
|
+ out.write(buffer);
|
|
|
|
|
+ out.close();
|
|
|
|
|
+ File file = new File(targetPath);
|
|
|
|
|
+ return file;
|
|
|
|
|
+ }
|
|
|
}
|
|
}
|