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 1      2     /** 3      * 通过日K算出周K的数据 4      * @param listDay 5      * @return 6      */ 7     public static List<LxKlineEntity> getWeekLineData1(List<LxKlineEntity> listDay) { 8         List<LxKlineEntity> weekList = new ArrayList<LxKlineEntity>(); 9         try {10             if (listDay != null && listDay.size() > 0) {//先确认有数据11                 int size = listDay.size();12                 13                 String beginDate = listDay.get(0).getDate();14                 String endDate = listDay.get(size-1).getDate();15                 16                 int weeks = getStockWeeks(beginDate, endDate);// 周数  17                 18                 19                 for (int i = 0; i < weeks; i++) {20                     21                     22                     LxKlineEntity vo = null;23                     // 获取最高价 最低价 收盘价和开盘价格24                     // 需要考虑的情况是如果这周都是休息,那么就没数据可以增加的. 比如春节和国庆节25                     List<String> liststr = new ArrayList<String>();26                     String[] day = getWeeksByDay(beginDate);//根据给定的时间获得这一股票交易周的天数名称 类型为2014-11-2927                     28 29                     List<LxKlineEntity> weekOneList =weekOneList = new ArrayList<LxKlineEntity>();30                     31                     for (int j = 0; j < day.length; j++) {// 循环遍历该周的数据32 33                         34                         String day1 = day[j];35                         36                         for (int k = 0; k < size; k++) {37                             String date = listDay.get(k).getDate();38                             if (date.equals(day1)) {39                                 // 如果日K的数据中有那天的数据 那么就将那个K线数据给加进来40                                 weekOneList.add(listDay.get(k));41                             }42                         }43                         // 计算最高价和最低价 收盘 开盘44                         if (weekOneList != null && weekOneList.size() > 0) {// 如果这周有数据45                             vo = new LxKlineEntity();46                             int len = weekOneList.size();47                             vo.setOpen(weekOneList.get(0).getOpen());// 该股周的第一天的开盘价格48                             vo.setClose(weekOneList.get(len-1).getClose());// 该股周的最后一天的收盘价格49                             double hi = 0;// 最高价50                             double lo = 0;// 最低价51                             double va = 0;// 成交量52                             for (int m = 0; m < weekOneList.size(); m++) {53                                 double high = weekOneList.get(m).getHigh();54                                 double low = weekOneList.get(m).getLow();55                                 double val = weekOneList.get(m).getVolume();56                                 if (high > hi)57                                     hi = high;58                                 if (low < lo)59                                     lo = low;60                                 va += val;61                             }62                             vo.setLow(lo);63                             vo.setHigh(hi);64                             vo.setVolume(va);65                         }66                     }67                     beginDate = getDay(day[6], 1);68                     if (vo != null)69                         weekList.add(vo);70                 }71             }72         } catch (Exception e) {73             e.printStackTrace();74         }75         return weekList;76     }