【APK-书架】优惠券没有到开始使用时间显示，显示优化建议

lib/models/mine.dart

@@ -72,6 +72,7 @@ class CouponModel {
   CouponModel({
     this.couponRecId,
     this.endTime,
+    this.startTime,
     this.couponId,
     this.useStatus,
     this.couponName,
@@ -83,6 +84,7 @@ class CouponModel {
   CouponModel.fromJson(dynamic json) {
     couponRecId = json['coupon_rec_id'];
     endTime = json['end_time'];
+    startTime = json['start_time'];
     couponId = json['coupon_id'];
     useStatus = json['use_status'];
     couponName = json['coupon_name'];
@@ -93,6 +95,7 @@ class CouponModel {
 
   num? couponRecId;
   String? endTime;
+  String? startTime;
   num? couponId;
   num? useStatus;
   String? couponName;
@@ -103,6 +106,7 @@ class CouponModel {
   CouponModel copyWith({
     num? couponRecId,
     String? endTime,
+    String? startTime,
     num? couponId,
     num? useStatus,
     String? couponName,
@@ -113,6 +117,7 @@ class CouponModel {
       CouponModel(
         couponRecId: couponRecId ?? this.couponRecId,
         endTime: endTime ?? this.endTime,
+        startTime: startTime ?? this.startTime,
         couponId: couponId ?? this.couponId,
         useStatus: useStatus ?? this.useStatus,
         couponName: couponName ?? this.couponName,
@@ -124,7 +129,8 @@ class CouponModel {
   Map<String, dynamic> toJson() {
     final map = <String, dynamic>{};
     map['coupon_rec_id'] = couponRecId;
-    // map['end_time'] = endTime;
+    map['end_time'] = endTime;
+    map['start_time'] = startTime;
     map['coupon_id'] = couponId;
     map['use_status'] = useStatus;
     map['coupon_name'] = couponName;

lib/pages/pay_coupon/widgets/item.dart

@@ -74,7 +74,7 @@ class BuildItem extends StatelessWidget {
                       Gaps.vGaps5,
                       Text('满${model.normPrice}减${model.reducedPrice}元',style: TextStyle(fontSize: 12.w,height: 1.5,color: Colours.c9),),
                       Gaps.vGaps5,
-                      Text('有效至：${model.endTime}',style: TextStyle(fontSize: 12.w,height: 1.5,color: Colours.c9),),
+                      model.type ==1?Text('有效至:${model.endTime}',style: TextStyle(fontSize: 12.w,height: 1.5,color: Colours.c9),):Text('有效期${model.startTime}至${model.endTime}',style: TextStyle(fontSize: 12.w,height: 1.5,color: Colours.c9),),
                     ],
                   ),
                   if (model.type == 1) GestureDetector(