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 javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import static java.util.Objects.nonNull;
public class QrCodeZXingUtils {
private static final int QRCOLOR = 0xFF000000; // 默认是黑色
private static final int BGWHITE = 0xFFFFFFFF; // 背景颜色
private static final int WIDTH = 200; // 二维码宽
private static final int HEIGHT = 200; // 二维码高
// 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, 0);
}
};
// 生成带logo的二维码图片
/***
*@param logoFile logo图地址
* @param codeFile 二维码生成地址
* @param qrUrl 扫描二维码方位地址
* */
public static void drawLogoQRCode(File logoFile, File codeFile, String qrUrl) {
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 (nonNull(logoFile) && logoFile.exists()) {
// 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();
}
image.flush();
ImageIO.write(image, "png", codeFile);
zip(image);
} catch (Exception e) {
e.printStackTrace();
}
}
// 添加边框，未成功，待测试
private static BufferedImage addBorder(BufferedImage image) {
int borderWidth = 10; // 边框宽度
BufferedImage borderedImage = new BufferedImage(image.getWidth() + borderWidth * 2,
image.getHeight() + borderWidth * 2,
BufferedImage.TYPE_INT_RGB);
// 使用白色填充边框区域
for (int x = 0; x < borderedImage.getWidth(); x++) {
for (int y = 0; y < borderedImage.getHeight(); y++) {
if (x < borderWidth || x >= borderWidth + image.getWidth() ||
y < borderWidth || y >= borderWidth + image.getHeight()) {
borderedImage.setRGB(x, y, 0xFFFFFFFF); // 白色
}
}
}
// 将二维码图像复制到带有边框的图像上
for (int x = borderWidth, y = borderWidth;
x - borderWidth < image.getWidth() && y - borderWidth < image.getHeight(); x++, y++) {
borderedImage.setRGB(x, y, image.getRGB(x - borderWidth, y - borderWidth));
}
return borderedImage;
}
public static void main(String[] args) throws Exception {
//头像logo
File logoFile = new File("C:\\Users\\86181\\Desktop\\2.png");
//生成二维码地址
File QrCodeFile = new File("C:\\Users\\86181\\Desktop\\3.png");
String url = "https://www.baidu.com/";
drawLogoQRCode(logoFile, QrCodeFile, url);
//mergeImage("C:\\Users\\86181\\Desktop\\66.png", "C:\\Users\\86181\\Desktop\\3.png", "C:\\Users\\86181\\Desktop\\test.png","30", "100");
}
/***
* 二维码嵌套背景图的方法
*@param bigPath 背景图 - 可传网络地址
*@param smallPath 二维码地址 - 可传网络地址
*@param newFilePath 生成新图片的地址
* @param x 二维码x坐标
* @param y 二维码y坐标
* */
public static void mergeImage(String bigPath, String smallPath, String newFilePath,String x, String y) throws IOException {
try {
BufferedImage small;
BufferedImage big;
if (bigPath.contains("http://") || bigPath.contains("https://")) {
URL url = new URL(bigPath);
big = ImageIO.read(url);
} else {
big = ImageIO.read(new File(bigPath));
}
if (smallPath.contains("http://") || smallPath.contains("https://")) {
URL url = new URL(smallPath);
small = ImageIO.read(url);
} else {
small = ImageIO.read(new File(smallPath));
}
Graphics2D g = big.createGraphics();
float fx = Float.parseFloat(x);
float fy = Float.parseFloat(y);
int x_i = (int) fx;
int y_i = (int) fy;
g.drawImage(small, x_i, y_i, small.getWidth(), small.getHeight(), null);
Font font = new Font("SimSun", Font.BOLD, 36); // 使用宋体字体，设置字体大小为36
g.setFont(font);
g.setColor(Color.BLACK); // 设置文字颜色为红色
String text = "你好，世界！"; // 要添加的文字内容
g.drawString(text, 300, 400); // 在指定位置绘制文字
g.dispose();
ImageIO.write(big, "png", new File(newFilePath));
} catch (Exception e) {
e.printStackTrace();
}
}
public static void zip(BufferedImage image) {
try {
File outputFile = new File("output.png");
ImageIO.write(image, "png", outputFile);
FileOutputStream fos = new FileOutputStream("imageFolder.zip");
ZipOutputStream zos = new ZipOutputStream(fos);
ZipEntry zipEntry = new ZipEntry("output.png");
zos.putNextEntry(zipEntry);
FileInputStream fis = new FileInputStream(outputFile);
byte[] buffer = new byte[1024];
int length;
while ((length = fis.read(buffer)) > 0) {
zos.write(buffer, 0, length);
}
fis.close();
zos.closeEntry();
zos.close();
// Delete the original file
outputFile.delete();
} catch (IOException e) {
e.printStackTrace();
}
}
}
