几天后自动领取java怎么做的_java获取几天前和几天后的日期

/**

*得到几天前的时间

*@paramd

*@paramday

*@return

*/

publicstaticDategetDateBefore(Dated,intday){

Calendarnow=Calendar.getInstance();

now.setTime(d);

now.set(Calendar.DATE,now.get(Calendar.DATE)-day);

returnnow.getTime();

}

/**

*得到几天后的时间

*@paramd

*@paramday

*@return

*/

publicstaticDategetDateAfter(Dated,intday){

Calendarnow=Calendar.getInstance();

now.setTime(d);

now.set(Calendar.DATE,now.get(Calendar.DATE)+day);

returnnow.getTime();

}

原文：/u/1866821/blog/474265