/** * 《java格式化字母表》 * <p> * Symbol Meaning Presentation Example * G era designator Text AD * y year Number 2009 * M month in year Text & Number July & 07 * d day in month Number 10 * h hour in am/pm (1-12) Number 12 * H hour in day (0-23) Number 0 * m minute in hour Number 30 * s second in minute Number 55 * S millisecond Number 978 * E day in week Text Tuesday * D day in year Number 189 * F day of week in month Number 2 (2nd Wed in July) * w week in year Number 27 * W week in month Number 2 * a am/pm marker Text PM * k hour in day (1-24) Number 24 * K hour in am/pm (0-11) Number 0 * z time zone Text Pacific Standard Time * ' escape for text Delimiter (none) * ' single quote Literal ' * ———————————————— * * @param args */