/ by zero

epmet-module/data-report/data-report-server/src/main/java/com/epmet/datareport/service/evaluationindex/screen/impl/GrassRootsGovernServiceImpl.java

@@ -155,21 +155,21 @@ public class GrassRootsGovernServiceImpl implements GrassRootsGovernService {
                 // 总参与数6月份比5月份增加了？
                 int incrTotal = latest.getTotal() - beforeTwoMonth.getTotal();
                 // 总参与数月增长：增加的占5月份的占比？？？
-                BigDecimal monthIncr = BigDecimal.valueOf(incrTotal / beforeTwoMonth.getTotal());
+                BigDecimal monthIncr = NumConstant.ZERO == beforeTwoMonth.getTotal() ? BigDecimal.ZERO : BigDecimal.valueOf(incrTotal / beforeTwoMonth.getTotal());
                 latest.setMonthIncr(monthIncr);
                 latest.setMonthTrend(monthIncr.compareTo(BigDecimal.ZERO) > 0 ? "incr" : "decr");
 
                 //人均议题数6月份比五月份增加了？
                 BigDecimal issueIncrTotal = latest.getAverageIssue().subtract(beforeTwoMonth.getAverageIssue());
                 //人均议题数月增长：增加的占5月份的占比？？？
-                BigDecimal issueCompareLatestMonth = issueIncrTotal.divide(beforeTwoMonth.getAverageIssue(),2, RoundingMode.HALF_UP);
+                BigDecimal issueCompareLatestMonth = BigDecimal.ZERO.compareTo(beforeTwoMonth.getAverageIssue()) == 0 ? BigDecimal.ZERO : issueIncrTotal.divide(beforeTwoMonth.getAverageIssue(), 2, RoundingMode.HALF_UP);
                 latest.setIssueCompareLatestMonth(issueCompareLatestMonth);
                 latest.setIssueCompareLatestTrend(issueCompareLatestMonth.compareTo(BigDecimal.ZERO) > 0 ? "incr" : "decr");
 
                 // 平均参与度6月份比5月份增加了？
                 BigDecimal incrJoinCompareLatestMonth=latest.getJoinCompareLatestMonth().subtract(beforeTwoMonth.getJoinCompareLatestMonth());
                 //平均参与度月增长：增加的占5月份的占比？？？
-                BigDecimal joinCompareLatestMonth=incrJoinCompareLatestMonth.divide(beforeTwoMonth.getJoinCompareLatestMonth(),2,RoundingMode.HALF_UP);
+                BigDecimal joinCompareLatestMonth = BigDecimal.ZERO.compareTo(beforeTwoMonth.getJoinCompareLatestMonth()) == 0 ? BigDecimal.ZERO : incrJoinCompareLatestMonth.divide(beforeTwoMonth.getJoinCompareLatestMonth(), 2, RoundingMode.HALF_UP);
                 latest.setJoinCompareLatestMonth(joinCompareLatestMonth);
                 latest.setJoinCompareLatestTrend(joinCompareLatestMonth.compareTo(BigDecimal.ZERO) > 0 ? "incr" : "decr");
             }