java里是否可以将ASCII码直接转换成GBK

java里是否可以将ASCII码直接转换成GBK,UTF-8,UTF-162009-03-29 11:39:10|分类： 编程技术 |标签： |字号大中小订阅 public class ChangeCharset /* 7位ASCII字符，也叫作ISO646-US、Unicode字符集的基本拉丁块 */ public static final String US_ASCII = US-ASCII; /* ISO 拉丁字母表 No.1，也叫作 ISO-LATIN-1 */ public static final String ISO_8859_1 = ISO-8859-1; /* 8 位 UCS 转换格式 */ public static final String UTF_8 = UTF-8; /* 16 位 UCS 转换格式，Big Endian（最低地址存放高位字节）字节顺序 */ public static final String UTF_16BE = UTF-16BE; /* 16 位 UCS 转换格式，Little-endian（最高地址存放低位字节）字节顺序 */ public static final String UTF_16LE = UTF-16LE; /* 16 位 UCS 转换格式，字节顺序由可选的字节顺序标记来标识 */ public static final String UTF_16 = UTF-16; /* 中文超大字符集 */ public static final String GBK = GBK; /* * 将字符编码转换成US-ASCII码 */ public String toASCII(String str) throws UnsupportedEncodingException return this.changeCharset(str, US_ASCII); /* * 将字符编码转换成ISO-8859-1码 */ public String toISO_8859_1(String str) throws UnsupportedEncodingException return this.changeCharset(str, ISO_8859_1); /* * 将字符编码转换成UTF-8码 */ public String toUTF_8(String str) throws UnsupportedEncodingException return this.changeCharset(str, UTF_8); /* * 将字符编码转换成UTF-16BE码 */ public String toUTF_16BE(String str) throws UnsupportedEncodingException return this.changeCharset(str, UTF_16BE); /* * 将字符编码转换成UTF-16LE码 */ public String toUTF_16LE(String str) throws UnsupportedEncodingException return this.changeCharset(str, UTF_16LE); /* * 将字符编码转换成UTF-16码 */ public String toUTF_16(String str) throws UnsupportedEncodingException return this.changeCharset(str, UTF_16); /* * 将字符编码转换成GBK码 */ public String toGBK(String str) throws UnsupportedEncodingException return this.changeCharset(str, GBK); /* * 字符串编码转换的实现方法 * * param str * 待转换编码的字符串 * param newCharset * 目标编码 * return * throws UnsupportedEncodingException */ public String changeCharset(String str, String newCharset) throws UnsupportedEncodingException if (str != null) / 用默认字符编码解码字符串。 byte bs = str.getBytes(); printByteArray(bs); System.out.print(n); / 用新的字符编码生成字符串 return new String(bs, newCharset); return null; /* * 字符串编码转换的实现方法 * * param str * 待转换编码的字符串 * param oldCharset * 原编码 * param newCharset * 目标编码 * return * throws UnsupportedEncodingException */ public String changeCharset(String str, String oldCharset, String newCharset) throws UnsupportedEncodingException if (str != null) / 用旧的字符编码解码字符串。解码可能会出现异常。 byte bs = str.getBytes(oldCharset); printByteArray(bs); System.out.println(); / 用新的字符编码生成字符串 return new String(bs, newCharset); return null; public static void main(String args) throws UnsupportedEncodingException ChangeCharset test = new ChangeCharset(); String str = This is a 中文的 String!; System.out.println(str: + str); String gbk = test.toGBK(str); System.out.println(转换成GBK码: + gbk); System.out.println(); String ascii = test.toASCII(str); System.out.println(转换成US-ASCII码: + ascii); gbk = test.changeCharset(ascii, ChangeCharset.US_ASCII, ChangeCharset.GBK); System.out.println(再把ASCII码的字符串转换成GBK码: + gbk); System.out.println(); String iso88591 = test.toISO_8859_1(str); System.out.println(转换成ISO-8859-1码: + iso88591); gbk = test.changeCharset(iso88591, ChangeCharset.ISO_8859_1, ChangeCharset.GBK); System.out.println(再把ISO-8859-1码的字符串转换成GBK码: + gbk); System.out.println(); String utf8 = test.toUTF_8(str); System.out.println(转换成UTF-8码: + utf8); gbk = test.changeCharset(utf8, ChangeCharset.UTF_8, ChangeCharset.GBK); System.out.println(再把UTF-8码的字符串转换成GBK码: + gbk); System.out.println(); String utf16be = test.toUTF_16BE(str); System.out.println(转换成UTF-16BE码: + utf16be); gbk = test.changeCharset(utf16be, ChangeCharset.UTF_16BE, ChangeCharset.GBK); System.out.println(再把UTF-16BE码的字符串转换成GBK码: + gbk); System.out.println(); String utf16le = test.toUTF_16LE(str); System.out.println(转换成UTF-16LE码: + utf16le); gbk = test.changeCharset(utf16le, ChangeCharset.UTF_16LE, ChangeCharset.GBK); System.out.println(再把UTF-16LE码的字符串转换成GBK码: + gbk); System.out.println(); String utf16 = test.toUTF_16(str); System.out.println(转换成UTF-16码: + utf16); gbk = test.changeCharset(utf16, ChangeCharset.UTF_16LE, ChangeCharset.GBK); System.out.println(再把UTF-