差旅费增删改完成，代码重构

src/main/java/beans/Travel.java

@@ -21,15 +21,6 @@ public class Travel extends Item {
         return getPrice() + getFood() + getAccommodation() + getTraffic();
     }
 
-    @Override
-    public String getName() {
-        return getDest();
-    }
-
-    @Override
-    public void setName(String name) {
-        setDest(name);
-    }
 
     @Override
     public String toString() {
@@ -42,11 +33,11 @@ public class Travel extends Item {
     }
 
     public String getDest() {
-        return dest;
+        return getName();
     }
 
     public void setDest(String dest) {
-        this.dest = dest;
+        setName(dest);
     }
 
     public double getFood() {

src/main/java/handlers/DetailHandler.java

@@ -72,15 +72,16 @@ public class DetailHandler {
             sub.put("sum",sum);
             sub.put("diff",req-sum);
             object.put("equipment",sub);
-
+            req_sofar+=req;sum_sofar+=sum;
 
             sub=new JSONObject();
-            req=budget.getRequirement().getEquip();
-            sum=detailService.sumEquipment(budget.getEquipments());
+            req=budget.getRequirement().getTravel();
+            sum=detailService.sumTravel(budget.getTravels());
             sub.put("req",req);
             sub.put("sum",sum);
             sub.put("diff",req-sum);
             object.put("travel",sub);
+            req_sofar+=req;sum_sofar+=sum;
 
             object.put("req",req_sofar);
             object.put("sum",sum_sofar);

src/main/java/service/IDetailService.java

 package service;
 
 import beans.Equipment;
+import beans.Pair;
+import beans.Travel;
 
 import java.util.Map;
 
 public interface IDetailService {
 
     double sumEquipment(Map<Equipment, Integer> equipments);
+
+    double sumTravel(Map<Travel, Pair> travels);
 }

src/main/java/service/impl/CheckService.java

@@ -10,6 +10,8 @@ import service.ICheckService;
 public class CheckService implements ICheckService {
     @Override
     public boolean checkEquipment(Equipment equipment) {
+        if(equipment==null
+                || equipment.getName()==null) return false;
         return true;
     }
 

src/main/java/service/impl/DetailService.java

 package service.impl;
 
 import beans.Equipment;
+import beans.Pair;
+import beans.Travel;
 import org.springframework.stereotype.Service;
 import service.IDetailService;
 
@@ -16,4 +18,13 @@ public class DetailService implements IDetailService {
         }
         return sum;
     }
+
+    @Override
+    public double sumTravel(Map<Travel, Pair> travels) {
+        double sum=0.0;
+        for (Travel travel : travels.keySet()) {
+            sum+=travel.cost(travels.get(travel));
+        }
+        return sum;
+    }
 }