unicode转化为汉字

/**
* @Title: convertUnicode
* @Description: 将unicode转化为汉字
* @param utfString
* @return
* @throws
*/
public String convertUnicode(String utfString) {
StringBuilder sb = new StringBuilder();
int i = -1;
int pos = 0;

while ((i = utfString.indexOf("\\u", pos)) != -1) {
sb.append(utfString.substring(pos, i));
if (i + 5 < utfString.length()) {
pos = i + 6;
sb.append((char) Integer.parseInt(
utfString.substring(i + 2, i + 6), 16));
}
}
sb.append(utfString.substring(pos, utfString.length()));

return sb.toString();
}