修改了返回集合，插入了为零的结果

src/main/java/com/keymobile/indicators/service/impl/LoggingEventServiceImpl.java

@@ -46,11 +46,15 @@ public class LoggingEventServiceImpl implements LoggingEventService {
             calendar.add(calendar.DATE,-30);
             startDateTime = calendar.getTimeInMillis();
         }
+
+        endDateTime = endDateTime+60*60*24*1000;//加一天
+
         logQuery.setStartTime(startDateTime);
         logQuery.setEndTime(endDateTime);
-        //查出符合条件的数据然后再判断具体天数的数量
+
         List<LogStatistics> logStatisticsList=loggingEventMapper.findVisitCount(logQuery);
-        return logStatisticsList;
+
+        return this.trimResults(logStatisticsList,startDateTime,endDateTime);
     }
 
     @Override
@@ -69,12 +73,17 @@ public class LoggingEventServiceImpl implements LoggingEventService {
             Calendar calendar = new GregorianCalendar();
             calendar.setTimeInMillis(endDateTime);
             calendar.add(calendar.DATE,-30);
+
             startDateTime = calendar.getTimeInMillis();
         }
+
+        endDateTime = endDateTime+60*60*24*1000;//加一天
+
         logQuery.setStartTime(startDateTime);
         logQuery.setEndTime(endDateTime);
-        List<LogStatistics> LogStatisticsList = loggingEventMapper.findVisitUserCount(logQuery);
-        return LogStatisticsList;
+        List<LogStatistics> logStatisticsList = loggingEventMapper.findVisitUserCount(logQuery);
+
+        return this.trimResults(logStatisticsList,startDateTime,endDateTime);
     }
 
     @Override
@@ -95,6 +104,37 @@ public class LoggingEventServiceImpl implements LoggingEventService {
         return loggingEventMapper.findVisitMsg(logQuery);
     }
 
+    private List<LogStatistics> trimResults(List<LogStatistics> logStatisticsList,Long startTime,Long endTime){
+        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
+        Map<String,Long> map=new HashMap<>();
+        for (int i=0;i<logStatisticsList.size();i++){
+            String dateTimeStr = logStatisticsList.get(i).getDateTime();
+            map.put(dateTimeStr,logStatisticsList.get(i).getCount());
+
+        }
+        Calendar calendar1 = new GregorianCalendar();
+        calendar1.setTimeInMillis(startTime);
+        Calendar calendar2 = new GregorianCalendar();
+        calendar2.setTimeInMillis(endTime);
+
+        List<LogStatistics> values = new ArrayList<>();
+        while (calendar1.getTimeInMillis()<calendar2.getTimeInMillis()){
+            String dateStr = simpleDateFormat.format(calendar1.getTime());
+            LogStatistics logStatistics = new LogStatistics();
+            logStatistics.setDateTime(dateStr);
+            Long count = map.get(dateStr);
+            if(count==null){
+                logStatistics.setCount(0l);
+            }else{
+                logStatistics.setCount(count);
+            }
+            values.add(logStatistics);
+            calendar1.add(calendar1.DATE,1);
+        }
+
+        return values;
+    }
+
     private Long getDateTime(String dateStr){
         SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
         Long dateTime=null;