最大值最小值加上了判断

epmet-module/data-statistical/data-statistical-client/src/main/java/com/epmet/dto/screen/result/MaxAndMinBigDecimalResultDTO.java

@@ -1,5 +1,6 @@
 package com.epmet.dto.screen.result;
 
+import com.epmet.commons.tools.constant.NumConstant;
 import lombok.Data;
 
 import java.io.Serializable;
@@ -18,4 +19,8 @@ public class MaxAndMinBigDecimalResultDTO implements Serializable {
 
     private BigDecimal max;
 
+    public MaxAndMinBigDecimalResultDTO() {
+        this.min = new BigDecimal(NumConstant.ZERO);
+        this.max = new BigDecimal(NumConstant.ZERO);
+    }
 }

epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/evaluationindex/indexcal/impl/IndexCalculateCommunityServiceImpl.java

@@ -451,11 +451,13 @@ public class IndexCalculateCommunityServiceImpl implements IndexCalculateCommuni
      * @date 2020/8/27 1:30 下午
      */
     public MaxAndMinBigDecimalResultDTO getMaxAndMinBigDecimal(List<BigDecimal> list) {
-        BigDecimal max = Collections.max(list);
-        BigDecimal min = Collections.min(list);
         MaxAndMinBigDecimalResultDTO result = new MaxAndMinBigDecimalResultDTO();
-        result.setMax(max);
-        result.setMin(min);
+        if(!CollectionUtils.isEmpty(list)) {
+            BigDecimal max = Collections.max(list);
+            BigDecimal min = Collections.min(list);
+            result.setMax(max);
+            result.setMin(min);
+        }
         return result;
     }