一个券时，可以取消券

components/orderCoupon.vue

@@ -12,8 +12,8 @@
 		</view>
 		<!----------------------------------------------------可用------------------------------------------>
 		<view v-show="active==0">
-			<view class="middle" v-if="couponList.usableCouponList&&couponList.usableCouponList.length>0">
-				<radio-group @change="radioChange">
+			<view class="middle">
+				<radio-group @change="radioChange" v-if="couponList.usableCouponList&&couponList.usableCouponList.length>1">
 					<view v-for="(item,index) of couponList.usableCouponList" :key="index" class="listBox">
 						<label>
 							<view>
@@ -34,6 +34,28 @@
 						</label>
 					</view>
 				</radio-group>
+				
+				<checkbox-group @change="checkboxChange" v-if="couponList.usableCouponList&&couponList.usableCouponList.length==1">
+					<view v-for="(item,index) of couponList.usableCouponList" :key="index" class="listBox">
+						<label>
+							<view>
+								{{item.couponName}}
+								<checkbox :value="item.couponId" :checked="true" />
+							</view>
+							<view>
+								{{item.couponRule}}
+							</view>
+							
+							<view>
+								{{item.useStartDate}}-{{item.useEndDate}}
+								<text>
+									<text>¥</text>{{parseFloat(item.savedMoney.toFixed(2))}}
+								</text>
+							</view>
+						</label>
+					</view>
+					
+				</checkbox-group>
 			</view>
 			
 			<view class="empty" v-if="!couponList.usableCouponList||couponList.usableCouponList.length==0">
@@ -118,6 +140,17 @@
 				  this.$emit("couponChoose",this.chooseCoupon)
 				}
 			},
+			//---多选框值变化
+			checkboxChange(evt){
+				if(evt.detail.value){
+				  this.chooseCoupon=this.couponList.usableCouponList.find((item)=>{
+						return item.couponId==evt.detail.value
+				  })
+				  this.$emit("couponChoose",this.chooseCoupon)
+				}else{
+					this.$emit("couponChoose","")
+				}
+			},
 			cancelCoupon(){//------------------------------------取消选中优惠券
 				this.chooseCoupon=""
 				this.show=false

pages/payment/ourPayment/ourPayment.vue

@@ -291,8 +291,13 @@
 				}, 1500)
 			},
 			couponChoose(data) { //---子组件券选择之后触发的事件
+				if(data){
 					this.chooseCouponObj = data
 					this.savedMoney=this.chooseCouponObj.savedMoney||0
+				}else{
+					this.chooseCouponObj = ""
+					this.savedMoney=0
+				}
 			  
 			},
 			showCoupon() { //---展示券列表