Java字符串取GBK,UNICODE编码和相互转换.doc

package com.util; import java.io.UnsupportedEncodingException; import java.util.regex.Matcher; import java.util.regex.Pattern; public class conver_String_Hex { /** * @param args * @throws UnsupportedEncodingException */ public static void main(String[] args) throws UnsupportedEncodingException { // TODO Auto-generated method stub // 转换汉字为Unicode码 String s2 = 文1就是转换的标准; System.out.println(s2: + s2); s2 = conver_String_Hex.stringToUnicode(s2); System.out.println(s2_unicode_Hex: + s2); // 转换Unicode码为汉字 String aaa = \\u4ec0\\u4e48\\u662f\\u5b89\\u5168\\u63a7\u4ef6 + \uff1f###\u5b89\u5168\u63a7\u4ef6\u53ef\u4ee5\u4fdd\u8bc1 + \u7528\u6237\u7684\u5bc6\u7801\u4e0d\u88ab\u7a83\u53d6\uff0c + \u4ece\u800c\u4fdd\u8bc1\u8d44\u91d1\u5b89\u5168; System.out.println(aaa: + aaa); String s3 = conver_String_Hex.unicodeToString(aaa); System.out.println(s3: + s3); s2 = 文1就是转换的标准; System.out.println(s2_src: + s2); s2 = conver_String_Hex.stringToGBK(s2); System.out.println(s2_gbk_hex: + s2); } /* * 把中文字符串转换为十六进制Unicode编码字符串 */ public static String stringToUnicode(String s) { String str = ; for (int i = 0; i s.length(); i++) { int ch = (int) s.charAt(i); if (ch 255) str += \\u + Integer.toHexString(ch); else str += \\ + Integer.toHexString(ch); } return str; } /* * 把十六进制Unicode编码字符串转换为中文字符串 */ public static String unicodeToString(String str) { Pattern pattern = Ppile((\\\\u(\\p{XDigit}{4}))); Matcher matcher = pattern.matcher(str); char ch; while (matcher.find()) { ch = (char) Integer.parseInt(matcher.group(2), 16); str = str.replace(matcher.group(1), ch + ); } return str; } /* * 把中文字符串转换为十六进制GBK编码字符串 */ public static String stringToGBK(String s) throws UnsupportedEncodingException { String str = ; for (int i = 0; i s.length(); i++) { String ch = String.valueOf(s.charAt(i)); // 取字符串编码示例 默认字符为GBK byte[] sgbk = ch.getBytes(gbk); String shex = ; for (int j = 0;