处理除数为零和double类型null值的情况

gradeevaluation/src/main/java/com/gyee/gradeevaluation/model/vo/SpecificCenterVo.java

@@ -15,16 +15,16 @@ public class SpecificCenterVo implements Serializable {
 
     private static final long serialVersionUID = -6273903303839623264L;
     private String wpid;
-    private Double mtbf;
-    private Double mttr;
-    private Double fwjsl;
-    private Double ztzhl;
-    private Double xqjsl;
-    private Double tqmtbf;
-    private Double tqmttr;
-    private Double tqfwjsl;
-    private Double tqztzhl;
-    private Double tqxqjsl;
+    private double mtbf;
+    private double mttr;
+    private double fwjsl;
+    private double ztzhl;
+    private double xqjsl;
+    private double tqmtbf;
+    private double tqmttr;
+    private double tqfwjsl;
+    private double tqztzhl;
+    private double tqxqjsl;
     private Integer mtbfCompare;
     private Integer mttrCompare;
     private Integer fwjslCompare;

gradeevaluation/src/main/java/com/gyee/gradeevaluation/model/vo/SpecificTopVo.java

@@ -14,30 +14,30 @@ import java.io.Serializable;
 public class SpecificTopVo  implements Serializable {
     private static final long serialVersionUID = 1407554909175314466L;
     private String type;
-    private Double yllfdl;
-    private Double ysjfdl;
-    private Double yfnlyl;
-    private Double ywhssdl;
-    private Double ywhssl;
-    private Double ygzssdl;
-    private Double ygzssl;
-    private Double yxdssdl;
-    private Double yxdssl;
-    private Double yxnssdl;
-    private Double yxnssl;
-    private Double yslssdl;
-    private Double yslssl;
-    private Double nllfdl;
-    private Double nsjfdl;
-    private Double nfnlyl;
-    private Double nwhssdl;
-    private Double nwhssl;
-    private Double ngzssdl;
-    private Double ngzssl;
-    private Double nxdssdl;
-    private Double nxdssl;
-    private Double nxnssdl;
-    private Double nxnssl;
-    private Double nslssdl;
-    private Double nslssl;
+    private double yllfdl;
+    private double ysjfdl;
+    private double yfnlyl;
+    private double ywhssdl;
+    private double ywhssl;
+    private double ygzssdl;
+    private double ygzssl;
+    private double yxdssdl;
+    private double yxdssl;
+    private double yxnssdl;
+    private double yxnssl;
+    private double yslssdl;
+    private double yslssl;
+    private double nllfdl;
+    private double nsjfdl;
+    private double nfnlyl;
+    private double nwhssdl;
+    private double nwhssl;
+    private double ngzssdl;
+    private double ngzssl;
+    private double nxdssdl;
+    private double nxdssl;
+    private double nxnssdl;
+    private double nxnssl;
+    private double nslssdl;
+    private double nslssl;
 }