js指定日期时间加一天 ,判断指定时间是否为周末

function dateAdd(startDate) {

        startDate = new Date(startDate);

        startDate = +startDate + 1000*60*60*24;

        startDate = new Date(startDate);

        var nextStartDate = startDate.getFullYear()+"-"+(startDate.getMonth()+1)+"-"+startDate.getDate();

        return nextStartDate;

    }

判断指定时间是否为周末

function isWeekEnd(date){

  if( "天一二三四五六".charAt(new   Date(date).getDay())=="天" ) return true;

  if( "天一二三四五六".charAt(new   Date(date).getDay())=="六"  )  return true;

}

java获取当前年份

　　  public static String getCurrentYear(){       
 　　 SimpleDateFormat sdf = new SimpleDateFormat("yyyy");      
  　　Date date = new Date();      
  　　return sdf.format(date);}

转载https://blog.csdn.net/MyNameIsXiaoLai/article/details/86654252