/** * 半角转全角 * @param input String. * @return 全角字符串. */public static String ToSBC(String input) {   char c[] = input.toCharArray();   for (int i = 0; i < c.length; i++) {      if (c[i] == ' ') {         c[i] = '\u3000';      } else if (c[i] < '\177') {         c[i] = (char) (c[i] + 65248);      }   }   return new String(c);}/** * 全角转半角 * @param input String. * @return 半角字符串 */public static String ToDBC(String input) {   char c[] = input.toCharArray();   for (int i = 0; i < c.length; i++) {      if (c[i] == '\u3000') {         c[i] = ' ';      } else if (c[i] > '\uFF00' && c[i] < '\uFF5F') {         c[i] = (char) (c[i] - 65248);      }   }   String returnString = new String(c);   return returnString;}