修改模板的时候用得到
${PACKAGE_NAME} name of the package in which the new file is created
${USER} current user system login name
${DATE} current system date
${TIME} current system time
${YEAR} current year
${MONTH} current month
${MONTH_NAME_SHORT} first 3 letters of the current month name. Example: Jan, Feb, etc.
${MONTH_NAME_FULL} full name of the current month. Example: January, February, etc.
${DAY} current day of the month
${HOUR} current hour
${MINUTE} current minute
${PROJECT_NAME} the name of the current project