fix[litemall-wx-api]: 修复小错误

litemall-wx-api/src/main/java/org/linlinjava/litemall/wx/vo/CouponVo.java

 package org.linlinjava.litemall.wx.vo;
 
+import java.math.BigDecimal;
 import java.time.LocalDateTime;
 
 public class CouponVo {
@@ -8,8 +9,8 @@ public class CouponVo {
     private String name;
     private String desc;
     private String tag;
-    private String min;
-    private String discount;
+    private BigDecimal min;
+    private BigDecimal discount;
     private LocalDateTime startTime;
     private LocalDateTime endTime;
     private boolean available;
@@ -54,19 +55,19 @@ public class CouponVo {
         this.tag = tag;
     }
 
-    public String getMin() {
+    public BigDecimal getMin() {
         return min;
     }
 
-    public void setMin(String min) {
+    public void setMin(BigDecimal min) {
         this.min = min;
     }
 
-    public String getDiscount() {
+    public BigDecimal getDiscount() {
         return discount;
     }
 
-    public void setDiscount(String discount) {
+    public void setDiscount(BigDecimal discount) {
         this.discount = discount;
     }
 

litemall-wx-api/src/main/java/org/linlinjava/litemall/wx/web/WxCouponController.java

@@ -104,8 +104,8 @@ public class WxCouponController {
             couponVo.setName(coupon.getName());
             couponVo.setDesc(coupon.getDesc());
             couponVo.setTag(coupon.getTag());
-            couponVo.setMin(coupon.getMin().toPlainString());
-            couponVo.setDiscount(coupon.getDiscount().toPlainString());
+            couponVo.setMin(coupon.getMin());
+            couponVo.setDiscount(coupon.getDiscount());
             couponVo.setStartTime(couponUser.getStartTime());
             couponVo.setEndTime(couponUser.getEndTime());