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Java全角字符轉換為半角字符的實現方法發布者：本站     時間：2020-05-06 15:05:21

/**Java全角字符轉換為半角字符的實現方法*/
    /**
     * 輸入的全角轉為半角<br>
     *
     * @return
     */
    private String quanToban(String message) {
        String outStr = "";
        String Tstr = "";
        byte[] b = null;

        for (int i = 0; i < message.length(); i++) {
            try {
                Tstr = message.substring(i, i + 1);
                b = Tstr.getBytes("unicode");
            } catch (java.io.UnsupportedEncodingException e) {
                e.printStackTrace();
            }

            if (b[3] == -1) {
                b[2] = (byte) (b[2] + 32);
                b[3] = 0;
                try {
                    outStr = outStr + new String(b, "unicode");
                } catch (java.io.UnsupportedEncodingException e) {
                    e.printStackTrace();
                }
            } else {
                outStr = outStr + Tstr;
            }
        }
        return outStr;
    }