java 任意转码到UTF-8 （注：仅平台下原始字符串）

public static String xxx2utf(String string) {
    	byte[] UTFByte = null;
		try {
			UTFByte = new String(string.getBytes(), Charset.defaultCharset().toString())  
			.getBytes("UTF-8");
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}  
    	String aimStr = null;
		try {
			aimStr = new String(UTFByte, "UTF-8");
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}  
    	return aimStr;
    }public static String xxx2utf(String string)