概算页面和预算页面不同的处理方式

src/main/java/cn/palmte/work/bean/BudgetBean.java

@@ -1,8 +1,17 @@
 package cn.palmte.work.bean;
 
+import java.math.BigDecimal;
+
 /**
  * 预算页面
  * @author xiongshiyan at 2021/11/1 , contact me with email yanshixiong@126.com or phone 15208384257
  */
 public class BudgetBean extends IncomeCostBean{
+    /**
+     * null就返回0
+     */
+    @Override
+    protected BigDecimal handleSpecial(BigDecimal src) {
+        return null == src ? new BigDecimal(0) : src;
+    }
 }

src/main/java/cn/palmte/work/bean/EstimateBean.java

@@ -1,8 +1,17 @@
 package cn.palmte.work.bean;
 
+import java.math.BigDecimal;
+
 /**
  * 概算页面
  * @author xiongshiyan at 2021/11/1 , contact me with email yanshixiong@126.com or phone 15208384257
  */
 public class EstimateBean extends IncomeCostBean{
+    /**
+     * 原样返回
+     */
+    @Override
+    protected BigDecimal handleSpecial(BigDecimal src) {
+        return src;
+    }
 }

src/main/java/cn/palmte/work/bean/IncomeCostBean.java

@@ -6,7 +6,7 @@ import java.math.BigDecimal;
  * 预算概算页面的公共属性
  * @author xiongshiyan at 2021/11/1 , contact me with email yanshixiong@126.com or phone 15208384257
  */
-public class IncomeCostBean {
+public abstract class IncomeCostBean {
     /**
      * 设备类收入含税
      */
@@ -88,7 +88,7 @@ public class IncomeCostBean {
     private BigDecimal costCompanyManageTaxExclude;
 
     public BigDecimal getIncomeDeviceTaxInclude() {
-        return incomeDeviceTaxInclude;
+        return handleSpecial(incomeDeviceTaxInclude);
     }
 
     public void setIncomeDeviceTaxInclude(BigDecimal incomeDeviceTaxInclude) {
@@ -96,7 +96,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getIncomeEngineerTaxInclude() {
-        return incomeEngineerTaxInclude;
+        return handleSpecial(incomeEngineerTaxInclude);
     }
 
     public void setIncomeEngineerTaxInclude(BigDecimal incomeEngineerTaxInclude) {
@@ -104,7 +104,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getIncomeServiceTaxInclude() {
-        return incomeServiceTaxInclude;
+        return handleSpecial(incomeServiceTaxInclude);
     }
 
     public void setIncomeServiceTaxInclude(BigDecimal incomeServiceTaxInclude) {
@@ -112,7 +112,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getIncomeDeviceTaxExclude() {
-        return incomeDeviceTaxExclude;
+        return handleSpecial(incomeDeviceTaxExclude);
     }
 
     public void setIncomeDeviceTaxExclude(BigDecimal incomeDeviceTaxExclude) {
@@ -120,7 +120,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getIncomeEngineerTaxExclude() {
-        return incomeEngineerTaxExclude;
+        return handleSpecial(incomeEngineerTaxExclude);
     }
 
     public void setIncomeEngineerTaxExclude(BigDecimal incomeEngineerTaxExclude) {
@@ -128,7 +128,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getIncomeServiceTaxExclude() {
-        return incomeServiceTaxExclude;
+        return handleSpecial(incomeServiceTaxExclude);
     }
 
     public void setIncomeServiceTaxExclude(BigDecimal incomeServiceTaxExclude) {
@@ -136,7 +136,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getCostPurchaseDeviceTaxInclude() {
-        return costPurchaseDeviceTaxInclude;
+        return handleSpecial(costPurchaseDeviceTaxInclude);
     }
 
     public void setCostPurchaseDeviceTaxInclude(BigDecimal costPurchaseDeviceTaxInclude) {
@@ -144,7 +144,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getCostPurchaseBuildTaxInclude() {
-        return costPurchaseBuildTaxInclude;
+        return handleSpecial(costPurchaseBuildTaxInclude);
     }
 
     public void setCostPurchaseBuildTaxInclude(BigDecimal costPurchaseBuildTaxInclude) {
@@ -152,7 +152,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getCostPurchaseServiceTaxInclude() {
-        return costPurchaseServiceTaxInclude;
+        return handleSpecial(costPurchaseServiceTaxInclude);
     }
 
     public void setCostPurchaseServiceTaxInclude(BigDecimal costPurchaseServiceTaxInclude) {
@@ -169,14 +169,14 @@ public class IncomeCostBean {
     }*/
 
     public BigDecimal getCostPurchaseOtherTaxInclude() {
-        return costPurchaseOtherTaxInclude;
+        return handleSpecial(costPurchaseOtherTaxInclude);
     }
     public void setCostPurchaseOtherTaxInclude(BigDecimal costPurchaseOtherTaxInclude) {
         this.costPurchaseOtherTaxInclude = costPurchaseOtherTaxInclude;
     }
 
     public BigDecimal getCostOtherOtherTaxInclude() {
-        return costOtherOtherTaxInclude;
+        return handleSpecial(costOtherOtherTaxInclude);
     }
 
     public void setCostOtherOtherTaxInclude(BigDecimal costOtherOtherTaxInclude) {
@@ -184,7 +184,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getCostPurchaseDeviceTaxExclude() {
-        return costPurchaseDeviceTaxExclude;
+        return handleSpecial(costPurchaseDeviceTaxExclude);
     }
 
     public void setCostPurchaseDeviceTaxExclude(BigDecimal costPurchaseDeviceTaxExclude) {
@@ -192,7 +192,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getCostPurchaseBuildTaxExclude() {
-        return costPurchaseBuildTaxExclude;
+        return handleSpecial(costPurchaseBuildTaxExclude);
     }
 
     public void setCostPurchaseBuildTaxExclude(BigDecimal costPurchaseBuildTaxExclude) {
@@ -200,7 +200,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getCostPurchaseServiceTaxExclude() {
-        return costPurchaseServiceTaxExclude;
+        return handleSpecial(costPurchaseServiceTaxExclude);
     }
 
     public void setCostPurchaseServiceTaxExclude(BigDecimal costPurchaseServiceTaxExclude) {
@@ -208,7 +208,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getCostPurchaseOtherTaxExclude() {
-        return costPurchaseOtherTaxExclude;
+        return handleSpecial(costPurchaseOtherTaxExclude);
     }
 
     public void setCostPurchaseOtherTaxExclude(BigDecimal costPurchaseOtherTaxExclude) {
@@ -216,7 +216,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getCostProjectManageTaxExclude() {
-        return costProjectManageTaxExclude;
+        return handleSpecial(costProjectManageTaxExclude);
     }
 
     public void setCostProjectManageTaxExclude(BigDecimal costProjectManageTaxExclude) {
@@ -224,7 +224,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getCostOtherOtherTaxExclude() {
-        return costOtherOtherTaxExclude;
+        return handleSpecial(costOtherOtherTaxExclude);
     }
 
     public void setCostOtherOtherTaxExclude(BigDecimal costOtherOtherTaxExclude) {
@@ -233,7 +233,7 @@ public class IncomeCostBean {
 
 
     public BigDecimal getCostExpropriationTaxExclude() {
-        return costExpropriationTaxExclude;
+        return handleSpecial(costExpropriationTaxExclude);
     }
 
     public void setCostExpropriationTaxExclude(BigDecimal costExpropriationTaxExclude) {
@@ -241,7 +241,7 @@ public class IncomeCostBean {
     }
 
     public BigDecimal getCostCompanyManageTaxExclude() {
-        return costCompanyManageTaxExclude;
+        return handleSpecial(costCompanyManageTaxExclude);
     }
 
     public void setCostCompanyManageTaxExclude(BigDecimal costCompanyManageTaxExclude) {
@@ -253,8 +253,11 @@ public class IncomeCostBean {
      * 计算所有的含税收入
      */
     public BigDecimal getIncomeTotalTaxInclude() {
+        BigDecimal incomeDeviceTaxInclude = getIncomeDeviceTaxInclude();
+        BigDecimal incomeEngineerTaxInclude = getIncomeEngineerTaxInclude();
+        BigDecimal incomeServiceTaxInclude = getIncomeServiceTaxInclude();
         if(null == incomeDeviceTaxInclude || null == incomeEngineerTaxInclude || null == incomeServiceTaxInclude){
-            return null;
+            return handleSpecial(null);
         }
         return incomeDeviceTaxInclude.add(incomeEngineerTaxInclude)
                 .add(incomeServiceTaxInclude);
@@ -264,8 +267,11 @@ public class IncomeCostBean {
      * 计算所有的不含税收入
      */
     public BigDecimal getIncomeTotalTaxExclude() {
+        BigDecimal incomeDeviceTaxExclude = getIncomeDeviceTaxExclude();
+        BigDecimal incomeEngineerTaxExclude = getIncomeEngineerTaxExclude();
+        BigDecimal incomeServiceTaxExclude = getIncomeServiceTaxExclude();
         if(null == incomeDeviceTaxExclude || null == incomeEngineerTaxExclude || null == incomeServiceTaxExclude){
-            return null;
+            return handleSpecial(null);
         }
         return incomeDeviceTaxExclude.add(incomeEngineerTaxExclude)
                 .add(incomeServiceTaxExclude);
@@ -275,13 +281,18 @@ public class IncomeCostBean {
      * 计算所有的成本含税
      */
     public BigDecimal getCostTotalTaxInclude() {
+        BigDecimal costPurchaseDeviceTaxInclude = getCostPurchaseDeviceTaxInclude();
+        BigDecimal costPurchaseBuildTaxInclude = getCostPurchaseBuildTaxInclude();
+        BigDecimal costPurchaseServiceTaxInclude = getCostPurchaseServiceTaxInclude();
+        BigDecimal costPurchaseOtherTaxInclude = getCostPurchaseOtherTaxInclude();
+        BigDecimal costOtherOtherTaxInclude = getCostOtherOtherTaxInclude();
         if(null == costPurchaseDeviceTaxInclude
                 || null == costPurchaseBuildTaxInclude
                 || null == costPurchaseServiceTaxInclude
                 || null == costPurchaseOtherTaxInclude
                 /*|| null == costProjectManageTaxInclude*/
                 || null == costOtherOtherTaxInclude){
-            return null;
+            return handleSpecial(null);
         }
         return costPurchaseDeviceTaxInclude
                 .add(costPurchaseBuildTaxInclude)
@@ -295,13 +306,19 @@ public class IncomeCostBean {
      * 计算所有的成本不含税
      */
     public BigDecimal getCostTotalTaxExclude() {
+        BigDecimal costPurchaseDeviceTaxExclude = getCostPurchaseDeviceTaxExclude();
+        BigDecimal costPurchaseBuildTaxExclude = getCostPurchaseBuildTaxExclude();
+        BigDecimal costPurchaseServiceTaxExclude = getCostPurchaseServiceTaxExclude();
+        BigDecimal costPurchaseOtherTaxExclude = getCostPurchaseOtherTaxExclude();
+        BigDecimal costProjectManageTaxExclude = getCostProjectManageTaxExclude();
+        BigDecimal costOtherOtherTaxExclude = getCostOtherOtherTaxExclude();
         if(null == costPurchaseDeviceTaxExclude
                 || null == costPurchaseBuildTaxExclude
                 || null == costPurchaseServiceTaxExclude
                 || null == costPurchaseOtherTaxExclude
                 || null == costProjectManageTaxExclude
                 || null == costOtherOtherTaxExclude){
-            return null;
+            return handleSpecial(null);
         }
         return costPurchaseDeviceTaxExclude.add(costPurchaseBuildTaxExclude)
                 .add(costPurchaseServiceTaxExclude)
@@ -319,9 +336,11 @@ public class IncomeCostBean {
         BigDecimal costTotalTaxExclude = getCostTotalTaxExclude();
         BigDecimal costExpropriationTaxExclude = getCostExpropriationTaxExclude();
         if(null == incomeTotalTaxExclude || null == costTotalTaxExclude || null == costExpropriationTaxExclude){
-            return null;
+            return handleSpecial(null);
         }
-        return incomeTotalTaxExclude.subtract(costTotalTaxExclude).subtract(costExpropriationTaxExclude);
+        return incomeTotalTaxExclude
+                .subtract(costTotalTaxExclude)
+                .subtract(costExpropriationTaxExclude);
     }
 
     /**
@@ -332,9 +351,15 @@ public class IncomeCostBean {
         BigDecimal projectGrossProfit = getProjectGrossProfit();
         BigDecimal incomeTotalTaxExclude = getIncomeTotalTaxExclude();
         if(null == projectGrossProfit || null == incomeTotalTaxExclude){
-            return null;
+            return handleSpecial(null);
         }
-        return projectGrossProfit.multiply(new BigDecimal(100)).divide(incomeTotalTaxExclude,2,BigDecimal.ROUND_HALF_UP);
+        BigDecimal zero = new BigDecimal(0);
+        if(projectGrossProfit.compareTo(zero) == 0 || incomeTotalTaxExclude.compareTo(zero) == 0){
+            return handleSpecial(null);
+        }
+        return projectGrossProfit
+                .multiply(new BigDecimal(100))
+                .divide(incomeTotalTaxExclude,2,BigDecimal.ROUND_HALF_UP);
     }
 
     /**
@@ -357,8 +382,22 @@ public class IncomeCostBean {
         BigDecimal projectContributionProfit = getProjectContributionProfit();
         BigDecimal incomeTotalTaxExclude = getIncomeTotalTaxExclude();
         if(null == projectContributionProfit || null == incomeTotalTaxExclude){
-            return null;
+            return handleSpecial(null);
         }
-        return projectContributionProfit.multiply(new BigDecimal(100)).divide(incomeTotalTaxExclude, 2,BigDecimal.ROUND_HALF_UP);
+        BigDecimal zero = new BigDecimal(0);
+        if(projectContributionProfit.compareTo(zero) == 0 || incomeTotalTaxExclude.compareTo(zero) == 0){
+            return handleSpecial(null);
         }
+        return projectContributionProfit
+                .multiply(new BigDecimal(100))
+                .divide(incomeTotalTaxExclude, 2,BigDecimal.ROUND_HALF_UP);
+    }
+
+    /**
+     * 对null值如何处理
+     * @param src 原值
+     * @return 特殊处理之后的值
+     */
+    protected abstract BigDecimal handleSpecial(BigDecimal src);
+
 }