formattounicode.java

该HttpProxy用于从Applet或Swing界面中访问Ejb和服务端的JavaBean。

package com.nari.pmos.arch.common;

import java.io.UnsupportedEncodingException;

public class FormatToUnicode {
	public static String GB2312ToUnicode(String str) {
		String tmp;
		StringBuffer sb = new StringBuffer(1000);
		char c;
		int i, j;
		sb.setLength(0);
		for (i = 0; i < str.length(); i++) {
			c = str.charAt(i);
			if (c > 255) {
				sb.append("\\u");
				j = (c >>> 8);
				tmp = Integer.toHexString(j);
				if (tmp.length() == 1)
					sb.append("0");
				sb.append(tmp);
				j = (c & 0xFF);
				tmp = Integer.toHexString(j);
				if (tmp.length() == 1)
					sb.append("0");
				sb.append(tmp);
			} else {
				sb.append(c);
			}
		}
		return (new String(sb));
	}

	public static String UnicodeToGB2312(String str) {
		String res = null;
		StringBuffer sb = new StringBuffer();
		try {
			while (str.length() > 0) {
				if (str.startsWith("\\u")) {
					int x = Integer.parseInt(str.substring(2, 6), 16);
					sb.append((char) x);
					str = str.substring(6);
				} else {
					sb.append(str.charAt(0));
					str = str.substring(1);
				}
			}
			res = sb.toString();
		} catch (Exception e) {
			e.printStackTrace(System.err);
		}
		return res;
	}
	
	public static void main(String[] args) throws UnsupportedEncodingException{
		String str = "AWT???v????,h??.doc";
		String str_change = null;
		try {
			str_change = new String(str.getBytes("UTF-8"),"GB2312");
		} catch (UnsupportedEncodingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.println(str_change);
//		System.out.println(new String("你好".getBytes("ISO8859-1"), "UTF-8"));
	}
}