package cn.itcast.utils;
import java.io.File;
import java.nio.file.Path;
import java.util.HashMap;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.datamatrix.encoder.ErrorCorrection;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
public class ZxingUtils {
public static void main(String[] args) {
//定义宽度,高度,内容,格式
int width = 300;
int higth = 300;
String format = "png";
String content = "http://www.itcast.cn/";
//定义一个map
HashMap hints = new HashMap<>();
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
hints.put(EncodeHintType.MARGIN, 2);
try {
BitMatrix bitMatrix = new MultiFormatWriter().encode(content,BarcodeFormat.QR_CODE, width, higth,hints);
Path file = new File("D:/code/img.png").toPath();
MatrixToImageWriter.writeToPath(bitMatrix, format, file );
} catch (Exception e) {
e.printStackTrace();
}
}
}
