code: public static String unicodeToChinese(String unicode) {
  		StringBuilder out = new StringBuilder();
  		if (!isEmpty(unicode)) {
  			for (int i = 0; i < unicode.length(); i++) {
  				out.append(unicode.charAt(i));
  			}
  		}
  		return out.toString();
  	}
docs: 把通用字符编码的字符串转化为汉字编码。