Package com. using. test; Import java. io. UnsupportedEncodingException; /** * Encode the conversion string */ Public class ConverStr { Public static void main (String [] args) throws UnsupportedEncodingException { ConverStr test = new ConverStr (); String str = "u9519u8befu7684u6765u6e90 ";
System. out. println ("str:" + str ); String gbk = test. toGBK (str ); System. out. println ("converted to GBK Code:" + gbk ); System. out. println (); String ascii = test. toASCII (str ); System. out. println ("converted to US-ASCII:" + ascii ); Gbk = test. changeCharset (ascii, ConverStr. US_ASCII, ConverStr. GBK ); System. out. println ("convert the ASCII code string to GBK:" + gbk ); System. out. println (); String iso88591 = test. toISO_8859_1 (str ); System. out. println ("converted to ISO-8859-1 Code:" + iso88591 ); Gbk = test. changeCharset (iso88591, ConverStr. ISO_8859_1, ConverStr. GBK ); System. out. println ("then convert the ISO-8859-1 code string into GBK Code:" + gbk ); System. out. println (); String utf8 = test. toUTF_8 (str ); System. out. println ("convert to UTF-8 Code:" + utf8 ); Gbk = test. changeCharset (utf8, ConverStr. UTF_8, ConverStr. GBK ); System. out. println ("then convert the UTF-8 code string into GBK Code:" + gbk ); System. out. println (); String utf16be = test. toUTF_16BE (str ); System. out. println ("convert to UTF-16BE Code:" + utf16be ); Gbk = test. changeCharset (utf16be, ConverStr. UTF_16BE, ConverStr. GBK ); System. out. println ("then convert the UTF-16BE code string into GBK Code:" + gbk ); System. out. println (); String utf16le = test. toUTF_16LE (str ); System. out. println ("convert to UTF-16LE Code:" + utf16le ); Gbk = test. changeCharset (utf16le, ConverStr. UTF_16LE, ConverStr. GBK ); System. out. println ("then convert the UTF-16LE code string into GBK Code:" + gbk ); System. out. println (); String utf16 = test. toUTF_16 (str ); System. out. println ("convert to UTF-16 Code:" + utf16 ); Gbk = test. changeCharset (utf16, ConverStr. UTF_16LE, ConverStr. GBK ); System. out. println ("then convert the UTF-16 code string into GBK Code:" + gbk ); String s = new String ("Chinese". getBytes ("UTF-8"), "UTF-8 "); System. out. println (s ); } /** 7-bit ASCII characters, also known as the basic Latin block of the ISO646-US and Unicode Character Set */ Public static final String US_ASCII = "US-ASCII "; /** ISO Latin alphabet No.1, also known as ISO-LATIN-1 */ Public static final String ISO_8859_1 = "ISO-8859-1 "; /** Convert 8-bit UCS */ Public static final String UTF_8 = "UTF-8 "; /** 16-bit UCS conversion format, Big Endian (the lowest address stores high byte) byte order */ Public static final String UTF_16BE = "UTF-16BE "; /** 16-bit UCS conversion format, Little-endian (the highest address stores low byte) byte order */ Public static final String UTF_16LE = "UTF-16LE "; /** The 16-bit UCS conversion format. The byte sequence is identified by optional byte sequence tags */ Public static final String UTF_16 = "UTF-16 "; /** Chinese Character Set */ Public static final String GBK = "GBK "; /** * Convert character encoding into US-ASCII code */ Public String toASCII (String str) throws UnsupportedEncodingException { Return this. changeCharset (str, US_ASCII ); } /** * Convert character encoding into ISO-8859-1 code */ Public String toISO_8859_1 (String str) throws UnsupportedEncodingException { Return this. changeCharset (str, ISO_8859_1 ); } /** * Convert character encoding into UTF-8 code */ Public String toUTF_8 (String str) throws UnsupportedEncodingException { Return this. changeCharset (str, UTF_8 ); } /** * Convert character encoding into UTF-16BE code */ Public String toUTF_16BE (String str) throws UnsupportedEncodingException { Return this. changeCharset (str, UTF_16BE ); } /** * Convert character encoding into UTF-16LE code */ Public String toUTF_16LE (String str) throws UnsupportedEncodingException { Return this. changeCharset (str, UTF_16LE ); } /** * Convert character encoding into UTF-16 code */ Public String toUTF_16 (String str) throws UnsupportedEncodingException { Return this. changeCharset (str, UTF_16 ); } /** * Convert character encoding to GBK code */ Public String toGBK (String str) throws UnsupportedEncodingException { Return this. changeCharset (str, GBK ); } /** * Implementation of string encoding conversion * * @ Param str * String to be converted * @ Param newCharset * Target Encoding * @ Return * @ Throws UnsupportedEncodingException */ Public String changeCharset (String str, String newCharset) throws UnsupportedEncodingException { If (str! = Null ){ // Use the default character encoding to decode the string. Byte [] bs = str. getBytes (); // Generate a string encoded with a new character Return new String (bs, newCharset ); } Return null; } /** * Implementation of string encoding conversion * * @ Param str * String to be converted * @ Param oldCharset * Original Encoding * @ Param newCharset * Target Encoding * @ Return * @ Throws UnsupportedEncodingException */ Public String changeCharset (String str, String oldCharset, String newCharset) throws UnsupportedEncodingException { If (str! = Null ){ // Encode and decode the string with the old character. An exception may occur during decoding. Byte [] bs = str. getBytes (oldCharset ); // Generate a string encoded with a new character Return new String (bs, newCharset ); } Return null; } } |