JAVA 实现网页链接二维码的制作

JAVA实现网页链接二维码的制作

代码比较简单，直接替换掉二维码即可在指定目录下生成二维码。

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.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
public class CreatQRcode {
      public static void main(String []args)
      {
                int width=300;
                int height=300;
                String format="png";
                String content="http://www.imooc.com/course/list?c=java&type=1&page=2";

                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, height, hints);
                    Path file =new File("D:/code/img.png").toPath();
                    MatrixToImageWriter.writeToPath(bitMatrix, format, file);
                } catch (Exception e) {

                    e.printStackTrace();
                }

      }         
}