public static void main(String[] args) throws UnsupportedEncodingException {                  StringUtil.str2all("0 产品型号描述");   StringUtil.str4all("30000900A74EC1548B57F753CF63F08F");  } /**   * 尝试所有编码格式对十六进制数字字符串进行编码   *   * @param hexStr   * @throws UnsupportedEncodingException   */  public static void str4all(String uStr) throws UnsupportedEncodingException{   System.out.println("+++++++++++++++++++++++++++++++++++++++++++++++++++");   byte[] bs = new byte[uStr.length()/2];   for (int i = 0; i < bs.length; i++) {    bs[i] = (byte) Integer.parseInt(uStr.substring(i*2, i*2+2), 16);   }   System.out.println(new String(bs, "utf-8"));   // 16   System.out.println(new String(bs, "utf-16")); // 同unicode   System.out.println(new String(bs, "utf-16le"));   System.out.println(new String(bs, "x-utf-16le-bom"));   System.out.println(new String(bs, "utf-16be")); //  System.out.println(new String(bs, "x-utf-16be-bom")); // UnsupportedEncodingException   // 32   System.out.println(new String(bs, "utf-32"));   System.out.println(new String(bs, "utf-32le"));   System.out.println(new String(bs, "x-utf-32le-bom"));   System.out.println(new String(bs, "utf-32be"));   System.out.println(new String(bs, "x-utf-32le-bom"));  } /**   * 列出所有编码对应的解码后的十六进制数字字符串   *   * @param uStr   * @throws UnsupportedEncodingException   */  public static void str2all(String uStr) throws UnsupportedEncodingException{   System.out.println("+++++++++++++++++++++++++++++++++++++++++++++++++++");   byte[] bs = new byte[]{};   bs = uStr.getBytes("utf-8");   for(byte b:bs){    System.out.print(Integer.toHexString(b & 0xff));   }   System.out.println();   // 16   bs = uStr.getBytes("utf-16");   for(byte b:bs){    System.out.print(Integer.toHexString(b & 0xff));   }   System.out.println();   bs = uStr.getBytes("utf-16le");   for(byte b:bs){    System.out.print(Integer.toHexString(b & 0xff));   }   System.out.println();   bs = uStr.getBytes("x-utf-16le-bom");   for(byte b:bs){    System.out.print(Integer.toHexString(b & 0xff));   }   System.out.println();   bs = uStr.getBytes("utf-16be");   for(byte b:bs){    System.out.print(Integer.toHexString(b & 0xff));   }   System.out.println(); //  bs = uStr.getBytes("x-utf-16be-bom"); // UnsupportedEncodingException   // 32   bs = uStr.getBytes("utf-32");   for(byte b:bs){    System.out.print(Integer.toHexString(b & 0xff));   }   System.out.println();   bs = uStr.getBytes("utf-32le");   for(byte b:bs){    System.out.print(Integer.toHexString(b & 0xff));   }   System.out.println();   bs = uStr.getBytes("x-utf-32le-bom");   for(byte b:bs){    System.out.print(Integer.toHexString(b & 0xff));   }   System.out.println();   bs = uStr.getBytes("utf-32be");   for(byte b:bs){    System.out.print(Integer.toHexString(b & 0xff));   }   System.out.println();   bs = uStr.getBytes("x-utf-32le-bom");   for(byte b:bs){    System.out.print(Integer.toHexString(b & 0xff));   }   System.out.println();  }

charset US-ASCII %S     historicalName ASCII     # IANA aliases     alias iso-ir-6     alias ANSI_X3.4-1986     alias ISO_646.irv:1991     alias ASCII     alias ISO646-US     alias us     alias IBM367     alias cp367     alias csASCII     alias default     # Other aliases     alias 646 # Solaris POSIX locale     alias iso_646.irv:1983     alias ANSI_X3.4-1968 # Linux POSIX locale (RedHat)     alias ascii7 charset UTF-8 UTF_8     historicalName UTF8     alias UTF8     alias unicode-1-1-utf-8 charset UTF-16 UTF_16     historicalName UTF-16     alias UTF_16     alias utf16     alias unicode     alias UnicodeBig charset UTF-16BE UTF_16BE     historicalName UnicodeBigUnmarked     alias UTF_16BE     alias ISO-10646-UCS-2     alias X-UTF-16BE     alias UnicodeBigUnmarked charset UTF-16LE UTF_16LE     historicalName UnicodeLittleUnmarked     alias UTF_16LE     alias X-UTF-16LE     alias UnicodeLittleUnmarked charset x-UTF-16LE-BOM UTF_16LE_BOM     historicalName UnicodeLittle     alias UnicodeLittle charset UTF-32 UTF_32     alias UTF_32     alias UTF32 charset UTF-32LE UTF_32LE     alias UTF_32LE     alias X-UTF-32LE charset UTF-32BE UTF_32BE     alias UTF_32BE     alias X-UTF-32BE charset X-UTF-32LE-BOM UTF_32LE_BOM     alias UTF_32LE_BOM     alias UTF-32LE-BOM charset X-UTF-32BE-BOM UTF_32BE_BOM     alias UTF_32BE_BOM     alias UTF-32BE-BOM charset ISO-8859-1 %S     historicalName ISO8859_1     # IANA aliases     alias iso-ir-100     alias ISO_8859-1     alias latin1     alias l1     alias IBM819     alias cp819     alias csISOLatin1     # Other aliases     alias 819     alias IBM-819     alias ISO8859_1     alias ISO_8859-1:1987     alias ISO_8859_1     alias 8859_1     alias ISO8859-1 charset ISO-8859-2 %S     historicalName ISO8859_2     alias iso8859_2     alias 8859_2     alias iso-ir-101     alias ISO_8859-2     alias ISO_8859-2:1987     alias ISO8859-2     alias latin2     alias l2     alias ibm912     alias ibm-912     alias cp912     alias 912     alias csISOLatin2 charset ISO-8859-4 %S     historicalName ISO8859_4     alias iso8859_4     alias iso8859-4     alias 8859_4     alias iso-ir-110     alias ISO_8859-4     alias ISO_8859-4:1988     alias latin4     alias l4     alias ibm914     alias ibm-914     alias cp914     alias 914     alias csISOLatin4 charset ISO-8859-5 %S     historicalName ISO8859_5     alias iso8859_5     alias 8859_5     alias iso-ir-144     alias ISO_8859-5     alias ISO_8859-5:1988     alias ISO8859-5     alias cyrillic     alias ibm915     alias ibm-915     alias cp915     alias 915     alias csISOLatinCyrillic charset ISO-8859-7 %S     historicalName ISO8859_7     alias iso8859_7     alias 8859_7     alias iso-ir-126     alias ISO_8859-7     alias ISO_8859-7:1987     alias ELOT_928     alias ECMA-118     alias greek     alias greek8     alias csISOLatinGreek     alias sun_eu_greek # Solaris 7/8 compatibility     alias ibm813     alias ibm-813     alias 813     alias cp813     alias iso8859-7 # Solaris 9 compatibility charset ISO-8859-9 %S     historicalName ISO8859_9     alias iso8859_9     alias 8859_9     alias iso-ir-148     alias ISO_8859-9     alias ISO_8859-9:1989     alias ISO8859-9     alias latin5     alias l5     alias ibm920     alias ibm-920     alias 920     alias cp920     alias csISOLatin5 charset ISO-8859-13 %S     historicalName ISO8859_13     alias iso8859_13     alias 8859_13     alias iso_8859-13     alias ISO8859-13 charset ISO-8859-15 %S     historicalName ISO8859_15     # IANA alias     alias ISO_8859-15     # Other aliases     alias 8859_15     alias ISO8859_15     alias ISO8859-15     alias IBM923     alias IBM-923     alias cp923     alias 923     alias LATIN0     alias LATIN9     alias L9     alias csISOlatin0     alias csISOlatin9     alias ISO8859_15_FDIS charset KOI8-R %S     historicalName KOI8_R     alias koi8_r     alias koi8     alias cskoi8r charset KOI8-U %S     alias koi8_u charset windows-1250 %S     historicalName Cp1250     alias cp1250     alias cp5346 # Euro IBM CCSID charset windows-1251 %S     historicalName Cp1251     alias cp1251     alias cp5347 # Euro IBM CCSID     alias ansi-1251 # Solaris compatibility charset windows-1252 %S     historicalName Cp1252     alias cp1252     alias cp5348 # Euro IBM CCSID charset windows-1253 %S     historicalName Cp1253     alias cp1253     alias cp5349 # Euro IBM CCSID charset windows-1254 %S     historicalName Cp1254     alias cp1254     alias cp5350 # Euro IBM CCSID charset windows-1257 %S     historicalName Cp1257     alias cp1257     alias cp5353 # Euro IBM CCSID charset IBM437 %S     historicalName Cp437     alias cp437     alias ibm-437     alias 437     alias cspc8codepage437     alias windows-437 charset x-IBM737 %S     historicalName Cp737     alias cp737     alias ibm737     alias ibm-737     alias 737 charset IBM775 %S     historicalName Cp775     alias cp775     alias ibm-775     alias 775 charset IBM850 %S     historicalName Cp850     alias cp850     alias ibm-850     alias 850     alias cspc850multilingual charset IBM852 %S     historicalName Cp852     alias cp852     alias ibm-852     alias 852     alias csPCp852 charset IBM855 %S     historicalName Cp855     alias cp855     alias ibm-855     alias 855     alias cspcp855 charset IBM857 %S     historicalName Cp857     alias cp857     alias ibm-857     alias 857     alias csIBM857 charset IBM00858 %S     historicalName Cp858     alias cp858     alias ccsid00858     alias cp00858     alias 858 charset IBM862 %S     historicalName Cp862     alias cp862     alias ibm-862     alias 862     alias csIBM862     alias cspc862latinhebrew charset IBM866 %S     historicalName Cp866     alias cp866     alias ibm-866     alias 866     alias csIBM866 charset x-IBM874 %S     historicalName Cp874     alias cp874     alias ibm874     alias ibm-874     alias 874