java 使用zxing生成二维码

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import java.awt.image.BufferedImage;import java.io.File;import java.io.IOException;import java.io.OutputStream;import java.util.HashMap;import java.util.Hashtable;import java.util.Map;import javax.imageio.ImageIO;import com.google.zxing.BarcodeFormat;import com.google.zxing.EncodeHintType;import com.google.zxing.MultiFormatWriter;import com.google.zxing.common.BitMatrix;/** * java生成二维条码 *  * @author Administrator *  */public class ZxingHandler {private static final int BLACK = 0xFF000000;private static final int WHITE = 0xFFFFFFFF;public static BufferedImage toBufferedImage(BitMatrix matrix) {int width = matrix.getWidth();int height = matrix.getHeight();BufferedImage image = new BufferedImage(width, height,BufferedImage.TYPE_INT_RGB);for (int x = 0; x < width; x++) {for (int y = 0; y < height; y++) {image.setRGB(x, y, matrix.get(x, y) ? BLACK : WHITE);}}return image;}public static void writeToFile(BitMatrix matrix, String format, File file)throws IOException {BufferedImage image = toBufferedImage(matrix);if (!ImageIO.write(image, format, file)) {throw new IOException("Could not write an image of format "+ format + " to " + file);}}public static void writeToStream(BitMatrix matrix, String format,OutputStream stream) throws IOException {BufferedImage image = toBufferedImage(matrix);if (!ImageIO.write(image, format, stream)) {throw new IOException("Could not write an image of format "+ format);}}/** *  * 主函数  */public static void main(String[] args) {try {String content = "tv01 = {*/*/*//*/**/}(TextView) this.findViewById(R.id.textView1)啦顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦快快快快快快快快快快快";String path = "D:/";MultiFormatWriter multiFormatWriter = new MultiFormatWriter();Hashtable hints = new Hashtable();hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");BitMatrix bitMatrix = multiFormatWriter.encode(content,BarcodeFormat.QR_CODE, 54, 54, hints);File file1 = new File(path, "ccc.jpg");ZxingHandler zx = new ZxingHandler();zx.writeToFile(bitMatrix, "jpg", file1);} catch (Exception e) {e.printStackTrace();}}}
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