格式化金额

src/main/java/cn/quantgroup/customer/model/order/LoanOrder.java

 package cn.quantgroup.customer.model.order;
 
+import cn.quantgroup.customer.util.MoneySerializer;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 import lombok.Data;
 
 import java.math.BigDecimal;
+import java.util.Date;
 
 /**
  * @author Wang Xiangwei
@@ -48,21 +52,25 @@ public class LoanOrder {
     /**
      * 担保费
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal guaranteeFee;
 
     /**
      * 其他费用
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal otherFee;
 
     /**
      * 一次性服务费
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal onceServiceFee;
 
     /**
      * 月利率
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal monthlyInterestRate;
 
     /**
@@ -94,4 +102,7 @@ public class LoanOrder {
      * 是否展示还款计划
      */
     private Boolean showPlans;
+
+    @JsonFormat(timezone = "GMT+8", pattern = "yyyy-MM-dd HH:mm:ss")
+    private Date paidAt;
 }

src/main/java/cn/quantgroup/customer/model/order/Repayment.java

@@ -2,6 +2,8 @@ package cn.quantgroup.customer.model.order;
 
 import cn.quantgroup.customer.enums.UserRepayType;
 import cn.quantgroup.customer.util.DateUtil;
+import cn.quantgroup.customer.util.MoneySerializer;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 import lombok.Data;
 
 import java.math.BigDecimal;
@@ -24,42 +26,50 @@ public class Repayment {
     /**
      * 本金
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal principal;
 
     /**
      * 利息
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal interest;
 
     /**
      * 担保费
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal serviceFee;
 
     /**
      * 其他担保
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal otherFee;
 
     /**
      * 罚息
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal overdueInterest;
 
 
     /**
      * 当前减免
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal reliefAmount;
 
     /**
      * 还款总额
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal repayAmount;
 
     /**
      * 应还总额
      */
+    @JsonSerialize(using = MoneySerializer.class)
     private BigDecimal requiredRepayment;
 
     /**

src/main/java/cn/quantgroup/customer/util/MoneySerializer.java

+package cn.quantgroup.customer.util;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.SerializerProvider;
+
+import java.io.IOException;
+import java.math.BigDecimal;
+
+/**
+ * 在字段或get上加:
+ * <b>@JsonSerialize(using = MoneySerializer.class)</b>
+ * @author Jie.Feng
+ * @date 2018/8/28
+ */
+public class MoneySerializer extends JsonSerializer<BigDecimal> {
+    /**
+     * Method that can be called to ask implementation to serialize
+     * values of type this serializer handles.
+     *
+     * @param value       Value to serialize; can <b>not</b> be null.
+     * @param gen         Generator used to output resulting Json content
+     * @param serializers Provider that can be used to get serializers for
+     */
+    @Override
+    public void serialize(BigDecimal value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
+        if(value == null)
+            gen.writeString("0.00");
+        else
+            gen.writeString(value.setScale(2, BigDecimal.ROUND_HALF_UP).toString());
+    }
+}