/**

     * 每个单词第一个字母大写

     * @param str

     * @return

     */

    public static String toUpperFirstCode(String str) {

        String[] strs = str.split(" ");

        StringBuilder sb = new StringBuilder();

        for (String strTmp : strs) {

            char[] ch = strTmp.toCharArray();

            if (ch[0] >= 'a' && ch[0] <= 'z') {

                ch[0] = (char) (ch[0] - 32);

            }

            String strT = new String(ch);

            sb.append(strT).append(" ");

        }

        return sb.toString().trim();

    }