java根据年月获取当前月的每一天日期

llp0221

于 2018-07-18 15:14:29 发布

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本文链接：https://blog.youkuaiyun.com/llp0221/article/details/81098694

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public static List<String> getDayByMonth(int yearParam,int monthParam){
       List list = new ArrayList();
   Calendar aCalendar = Calendar.getInstance(Locale.CHINA);
   aCalendar.set(yearParam,monthParam,1);
   int year = aCalendar.get(Calendar.YEAR);//年份
   int month = aCalendar.get(Calendar.MONTH) + 1;//月份
   int day = aCalendar.getActualMaximum(Calendar.DATE);
   for (int i = 1; i <= day; i++) {
       String aDate=null;
       if(month<10&&i<10){
           aDate = String.valueOf(year)+"-0"+month+"-0"+i;
       }
       if(month<10&&i>=10){
           aDate = String.valueOf(year)+"-0"+month+"-"+i;
       }
       if(month>=10&&i<10){
           aDate = String.valueOf(year)+"-"+month+"-0"+i;
       }
       if(month>=10&&i>=10){
           aDate = String.valueOf(year)+"-"+month+"-"+i;
       }

   list.add(aDate);
   }
   return list;
   }