编码转换

import java.io.UnsupportedEncodingException;

public class chinatoX {
	 static StringBuffer sb1 = new StringBuffer();
	public static String X(String china,String charsetName) throws UnsupportedEncodingException{
		 String   s   =   String.valueOf(china);   
		 byte[]   bytes   =   s.getBytes(charsetName);
		 StringBuffer sb = new StringBuffer();
		
		  for(int   i=0;   i<bytes.length;   i++)   {
			  sb.append("%"+Integer.toHexString(bytes[i]&0xff));
		  }
		 return sb.toString();
	}
	public   void   HexToStr(String str)   {  
		Pattern p = Pattern.compile("\\&\\#(\\d+);");  
		Matcher m = p.matcher(str);  
		int start = 0;  
		while (m.find(start)) {  
			start = m.end();  
			System.out.print((char) Integer.parseInt(m.group(1)));  
		}  
	}
	public static void main(String args[]) throws UnsupportedEncodingException{
		chinatoX x= new chinatoX();
		System.out.println(x.X("新闻联播f高层观点","utf-8"));
		x.HexToStr("&26085;&26399;");
		x.HexToStr("&#26085;&#26399;");
	}
}