java框架---->zxing框架的使用

　　今天我们就来学习一下zxing的用法，这里只涉及到java se的部分。

zxing的学习

如果在java se环境中使用zxing，需要在maven的pom.xml中添加依赖：

<dependency>

    <groupId>com.google.zxing</groupId>

    <artifactId>javase</artifactId>

    <version>3.3.0</version>

</dependency>

一、根据内容生成二维码

public void encodeNoReturn(String content) {

    try {

        Path path = new File("file/huhx.png").toPath();

        BitMatrix matrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, 300, 300);

        MatrixToImageWriter.writeToPath(matrix, "png", path);

    } catch (Exception e) {

        e.printStackTrace();

    }

}

二、根据二维码读取内容

public static void main(String[] args) {

    File file = new File("file/huhx.jpg");

    BufferedImage bufferedImage = null;

    try {

        bufferedImage = ImageIO.read(file);

    } catch (IOException e) {

        e.printStackTrace();

    }

    LuminanceSource source = new BufferedImageLuminanceSource(bufferedImage);

    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

    Hashtable<DecodeHintType, String> hints = new Hashtable<DecodeHintType, String>();

    hints.put(DecodeHintType.CHARACTER_SET, "GBK");

    Result result = null;

    try {

        result = new MultiFormatReader().decode(bitmap, hints);

    } catch (NotFoundException e) {

        e.printStackTrace();

    }

    String url = result.getText();

    System.out.println(url);

}

友情链接

• zxing的github地址： https://zxing.github.io/zxing/