public static void main(String[] args) {         for (int i = Character.MIN_VALUE; i <= Character.MAX_VALUE; ++i) {             System.out.println(i + "    " + (char)i);         }     }

/**      * 全角字符串转换半角字符串      *      * @param fullWidthStr      *            非空的全角字符串      * @return 半角字符串      */     private static String fullWidth2halfWidth(String fullWidthStr) {         if (null == fullWidthStr || fullWidthStr.length() <= 0) {             return "";         }         char[] charArray = fullWidthStr.toCharArray();         //对全角字符转换的char数组遍历         for (int i = 0; i < charArray.length; ++i) {             int charIntValue = (int) charArray[i];             //如果符合转换关系,将对应下标之间减掉偏移量65248;如果是空格的话,直接做转换             if (charIntValue >= 65281 && charIntValue <= 65374) {                 charArray[i] = (char) (charIntValue - 65248);             } else if (charIntValue == 12288) {                 charArray[i] = (char) 32;             }         }         return new String(charArray);     }