Java工具類：全角半角相互轉換

/**


 * 半角轉全角
 * @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);
}
/**
 * 全角轉半角
 * @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;
} </pre>