Android中使用到的——UtilToos收集整理（持續更新）

//時間轉換(從一個String 轉換到另一個String)
private static final String FORMAT = "yyyy-MM-dd'T'HH:mm:ss";



private static final String FORMATPAY = "yyyy-MM-dd' 'HH:mm:ss";

public static String String2String(String strFrom, String formatFrom, String formatTo) {

    SimpleDateFormat sdf = new SimpleDateFormat(formatTo);

    if (strFrom == null || strFrom.length() == 0) {
return null;
}

    if (formatFrom == null || formatFrom.length() == 0) {
formatFrom = FORMAT;
}

    Date date = null;

try {

SimpleDateFormat sdt = new SimpleDateFormat(formatFrom);

        date = sdt.parse(formatFrom);


    } catch (Exception e) {

        e.printStackTrace();

}

return sdf.format(date);


}