apzl_leasing/src_prd/com/amarsoft/app/als/image/QRUtil.java

package com.amarsoft.app.als.image;


import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Hashtable;

import javax.imageio.ImageIO;

import com.amarsoft.are.ARE;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.DecodeHintType;
import com.google.zxing.EncodeHintType;
import com.google.zxing.LuminanceSource;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.Result;
import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.HybridBinarizer;


/**
 * 生成、解析一维、二维码
 * @author zszhang
 * @since  2015/01/07
 *
 */
public class QRUtil
{
	private static final String CODE = "utf-8";
	private static final int BLACK = 0xff000000;
	private static final int WHITE = 0xFFFFFFFF;

	/**
	 * 生成RQ二维码
	 * 
	 * 
	 * @param str
	 *            内容
	 * @param height
	 *            高度（px）
	 * 
	 */
	public static BufferedImage getRQ(String str, Integer height)
	{
		if (height == null || height <=0)
		{
			height = 200;
		}

		try
		{
			// 文字编码
			Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
			hints.put(EncodeHintType.CHARACTER_SET, CODE);

			BitMatrix bitMatrix = new MultiFormatWriter().encode(str,
					BarcodeFormat.QR_CODE, height, height, hints);

			return toBufferedImage(bitMatrix);

			// 输出方式
			// 网页
			// ImageIO.write(image, "png", response.getOutputStream());

			// 文件
			// ImageIO.write(image, "png", file);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}
		return null;
	}

	/**
	 * 生成一维码（128）
	 * 
	 * 
	 * @param str
	 * @param width
	 * @param height
	 * @return
	 */
	public static BufferedImage getBarcode(String str, Integer width,
			Integer height)
	{

		if (width == null || width < 200)
		{
			width = 200;
		}

		if (height == null || height < 50)
		{
			height = 50;
		}

		try
		{
			// 文字编码
			Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
			hints.put(EncodeHintType.CHARACTER_SET, CODE);

			BitMatrix bitMatrix = new MultiFormatWriter().encode(str,
					BarcodeFormat.CODE_128, width, height, hints);
			//BarcodeFormat.EAN_13, width, height, hints);

			return toBufferedImage(bitMatrix);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}
		return null;
	}

	/**
	 * 生成二维码，写到文件中
	 * 
	 * 
	 * @param str
	 * @param height
	 * @param file
	 * @throws IOException
	 */
	public static void getRQWriteFile(String str, Integer height, File file)
			throws IOException
	{
		BufferedImage image = getRQ(str, height);
		ImageIO.write(image, "png", file);
	}

	/**
	 * 生成一维码，写到文件中
	 * 
	 * 
	 * @param str
	 * @param height
	 * @param file
	 * @throws IOException
	 */
	public static void getBarcodeWriteFile(String str, Integer width,
			Integer height, File file) throws IOException
	{
		BufferedImage image = getBarcode(str, width, height);
		ImageIO.write(image, "png", file);
	}

	/**
	 * 转换成图片
	 * 
	 * 
	 * @param matrix
	 * @return
	 */
	private static BufferedImage toBufferedImage(BitMatrix matrix)
	{
		int width = matrix.getWidth();
		int height = matrix.getHeight();
		BufferedImage image = new BufferedImage(width, height,
				BufferedImage.TYPE_INT_ARGB);
		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;
	}

	/**
	 * 解码(二维、一维均可)
	 */
	public static String read(File file)
	{

		BufferedImage image;
		try
		{
			if (file == null || file.exists() == false)
			{
				throw new Exception(" File not found:" + file.getPath());
			}

			image = ImageIO.read(file);

			//LuminanceSource source = new BufferedImageLuminanceSource(image);
			LuminanceSource source = new BufferedImageLuminanceSource(image,0,0,200,200);
			BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

			Result result;

			// 解码设置编码方式为：utf-8，
			Hashtable hints = new Hashtable();
			hints.put(DecodeHintType.CHARACTER_SET, "utf-8");

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

			return result.getText();

		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return null;
	}
	
	/**
	 * 解码(二维、一维均可)
	 */
	public static String read(InputStream is)
	{

		BufferedImage image;
		try
		{
			if (is == null )
			{
				throw new Exception(" InputStream is null!");
			}

			image = ImageIO.read(is);

			//LuminanceSource source = new BufferedImageLuminanceSource(image);
			LuminanceSource source = new BufferedImageLuminanceSource(image,0,0,500,500);
			BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

			Result result;

			// 解码设置编码方式为：utf-8，
			Hashtable hints = new Hashtable();
			hints.put(DecodeHintType.CHARACTER_SET, "utf-8");

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

			return result.getText();

		}
		catch (Exception e)
		{
			ARE.getLog().warn("未解析出条形码，该图片可能不是条码图。");
		}

		return null;
	}

	public static void main(String[] args) throws Exception
	{
		File file = new File("c://1.jpg");
//		// RQUtil.getRQwriteFile("中华人民共和国", 200, file);
//
//		// code39 大写字母、数字、-、
//		// code128 
		QRUtil.getBarcodeWriteFile("2014071000000005", 400,100, file);
//
//		System.out.println("-----成生成功----");
//		System.out.println();

		String s = QRUtil.read(new File("D://My Documents//My Pictures//machineimage.jpg"));
		//String s = QRUtil.read(file);

		System.out.println("-----解析成功----");
		System.out.println(s);
	}

}