二维码utils希望对大家有帮助

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();
        }
    }
 
}

 

posted @ 2018-01-06 18:10  IT筱龙  阅读(165)  评论(0编辑  收藏  举报