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  • java 获取当前天之后或之前7天日期【转】

    /** 
        * 获取过去或者未来 任意天内的日期数组 
        * @param intervals      intervals天内 
        * @return              日期数组 
        */  
       public static ArrayList<String> test(int intervals ) {  
           ArrayList<String> pastDaysList = new ArrayList<>();  
           ArrayList<String> fetureDaysList = new ArrayList<>();  
           for (int i = 0; i <intervals; i++) {  
               pastDaysList.add(getPastDate(i));  
               fetureDaysList.add(getFetureDate(i));  
           }  
           return pastDaysList;  
       }  
      
       /** 
        * 获取过去第几天的日期 
        * 
        * @param past 
        * @return 
        */  
       public static String getPastDate(int past) {  
           Calendar calendar = Calendar.getInstance();  
           calendar.set(Calendar.DAY_OF_YEAR, calendar.get(Calendar.DAY_OF_YEAR) - past);  
           Date today = calendar.getTime();  
           SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");  
           String result = format.format(today);  
           Log.e(null, result);  
           return result;  
       }  
      
       /** 
        * 获取未来 第 past 天的日期 
        * @param past 
        * @return 
        */  
       public static String getFetureDate(int past) {  
           Calendar calendar = Calendar.getInstance();  
           calendar.set(Calendar.DAY_OF_YEAR, calendar.get(Calendar.DAY_OF_YEAR) + past);  
           Date today = calendar.getTime();  
           SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");  
           String result = format.format(today);  
           Log.e(null, result);  
           return result;  
       } 

    来源:https://blog.csdn.net/guo_xiao_hui/article/details/70225447

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  • 原文地址:https://www.cnblogs.com/liuswi/p/12850376.html
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