二维码工具类，提供多种生成二维码、解析二维码的方法，包括中间logo的二维码等方法

二维码工具类 - QrcodeUtils.java
 二维码工具类，提供多种生成二维码、解析二维码的方法，包括中间logo的二维码等方法。
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 源码如下：(点击下载 -?QrcodeUtils.java、MatrixToImageWriterEx.java、MatrixToLogoImageConfig.java、commons-io-2.4.jar、commons-lang-2.6.jar、slf4j-api-1.7.12.jar、javase-3.1.0.jar、core-3.1.0.jar?、FolderUtils.java)
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 QrcodeUtils.java 源码：
 import java.awt.Color;
import java.awt.image.BufferedImage;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import javax.imageio.ImageIO;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.SystemUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.zxing.BinaryBitmap;

import com.google.zxing.DecodeHintType;
import com.google.zxing.LuminanceSource;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.Reader;
import com.google.zxing.ReaderException;
import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.HybridBinarizer;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;

/**
 * 二维码工具类
 * 
 */
public class QrcodeUtils {

    private static final transient Logger LOGGER = LoggerFactory.getLogger(QrcodeUtils.class);

    private static transient String DEFAULT_FORMAT = "jpg";
    private static transient int DEFAULT_WIDTH = 200;
    private static transient int DEFAULT_HEIGHT = 200;

    static {
        try {
            final String[] foo = new String[] { "240", "240" };
            final String format = "jpg";
            if (StringUtils.isNotBlank(format)) {
                DEFAULT_FORMAT = StringUtils.strip(format).toLowerCase();
            }