- package com.using.test;
- import java.io.UnsupportedEncodingException;
- /**
- * 转换字符串的编码
- */
- public class ConverStr {
- public static void main(String[] args) throws UnsupportedEncodingException {
- ConverStr test = new ConverStr();
- String str = "\\u9519\\u8bef\\u7684\\u6765\\u6e90";
- 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, ConverStr.US_ASCII, ConverStr.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, ConverStr.ISO_8859_1, ConverStr.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, ConverStr.UTF_8, ConverStr.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, ConverStr.UTF_16BE, ConverStr.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, ConverStr.UTF_16LE, ConverStr.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, ConverStr.UTF_16LE, ConverStr.GBK);
- System.out.println("再把UTF-16码的字符串转换成GBK码: " + gbk);
- String s = new String("中文".getBytes("UTF-8"), "UTF-8");
- System.out.println(s);
- }
- /** 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();
- // 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);
- // 用新的字符编码生成字符串
- return new String(bs, newCharset);
- }
- return null;
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/241020136672.html
来源: http://www.codesnippet.cn/detail/241020136672.html