android 股票数据通过日K获取周K的数据 算法 源码

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8 </control>

 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2014-11-29
27                     
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     }