java二进制,字节数组,字符,十六进制,BCD编码转换
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gifjava二进制,字节数组,字符,十六进制,BCD编码转换2007-06-07 00:17/** *//**http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * 把16进制字符串转换成字节数组
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @param hex
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @return
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif */
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gifpublic static byte[] hexStringToByte(String hex) http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif int len = (hex.length() / 2);
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif byte[] result = new byte;
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif char[] achar = hex.toCharArray();
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedSubBlock.gif for (int i = 0; i < len; i++) http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif int pos = i * 2;
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif result = (byte) (toByte(achar) << 4 | toByte(achar+ 1]));
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif return result;
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif}
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gifprivate static byte toByte(char c) http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif byte b = (byte) "0123456789ABCDEF".indexOf(c);
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif return b;
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif}
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gif/** *//**
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * 把字节数组转换成16进制字符串
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @param bArray
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @return
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif */
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gifpublic static final String bytesToHexString(byte[] bArray) http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif StringBuffer sb = new StringBuffer(bArray.length);
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif String sTemp;
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedSubBlock.gif for (int i = 0; i < bArray.length; i++) http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif sTemp = Integer.toHexString(0xFF & bArray);
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif if (sTemp.length() < 2)
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif sb.append(0);
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif sb.append(sTemp.toUpperCase());
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif return sb.toString();
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif}
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gif/** *//**
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * 把字节数组转换为对象
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @param bytes
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @return
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @throws IOException
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @throws ClassNotFoundException
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif */
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gifpublic static final Object bytesToObject(byte[] bytes) throws IOException, ClassNotFoundException http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif ByteArrayInputStream in = new ByteArrayInputStream(bytes);
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif ObjectInputStream oi = new ObjectInputStream(in);
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif Object o = oi.readObject();
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif oi.close();
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif return o;
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif}
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gif/** *//**
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * 把可序列化对象转换成字节数组
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @param s
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @return
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @throws IOException
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif */
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gifpublic static final byte[] objectToBytes(Serializable s) throws IOException http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif ByteArrayOutputStream out = new ByteArrayOutputStream();
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif ObjectOutputStream ot = new ObjectOutputStream(out);
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif ot.writeObject(s);
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif ot.flush();
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif ot.close();
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif return out.toByteArray();
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif}
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gifpublic static final String objectToHexString(Serializable s) throws IOExceptionhttp://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif return bytesToHexString(objectToBytes(s));
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif}
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gifpublic static final Object hexStringToObject(String hex) throws IOException, ClassNotFoundExceptionhttp://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif return bytesToObject(hexStringToByte(hex));
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif}
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gif/** *//**
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @函数功能: BCD码转为10进制串(阿拉伯数据)
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @输入参数: BCD码
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @输出结果: 10进制串
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif */
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gifpublic static String bcd2Str(byte[] bytes)http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif StringBuffer temp=new StringBuffer(bytes.length*2);
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedSubBlock.gif for(int i=0;i<bytes.length;i++)http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif temp.append((byte)((bytes& 0xf0)>>>4));
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif temp.append((byte)(bytes& 0x0f));
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif return temp.toString().substring(0,1).equalsIgnoreCase("0")?temp.toString().substring(1):temp.toString();
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif}
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gif/** *//**
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @函数功能: 10进制串转为BCD码
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @输入参数: 10进制串
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif * @输出结果: BCD码
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif */
http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedBlock.gifpublic static byte[] str2Bcd(String asc) http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif int len = asc.length();
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif int mod = len % 2;
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedSubBlock.gif if (mod != 0) http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif asc = "0" + asc;
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif len = asc.length();
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif byte abt[] = new byte;
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedSubBlock.gif if (len >= 2) http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif len = len / 2;
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif byte bbt[] = new byte;
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif abt = asc.getBytes();
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif int j, k;
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedSubBlock.gif for (int p = 0; p < asc.length()/2; p++) http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedSubBlock.gif if ( (abt[2 * p] >= '0') && (abt[2 * p] <= '9')) http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif j = abt[2 * p] - '0';
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedSubBlock.gif } else if ( (abt[2 * p] >= 'a') && (abt[2 * p] <= 'z')) http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif j = abt[2 * p] - 'a' + 0x0a;
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedSubBlock.gif } else http://www.blogjava.net/Images/dot.gif{
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif j = abt[2 * p] - 'A' + 0x0a;
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif
http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.blogjava.net/Images/OutliningIndicators/ContractedSubBlock.gif if ( (abt[2 * p + 1] >= '
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