确认订单优化

pages/order/confirm-order.vue

@@ -175,6 +175,10 @@
 				});
 			},
 			submit(){
+				if(this.total() == 0) {
+					this.num = 1
+					return this.$msg('商品数量格式不对!');
+				}
 				if(this.ifchoose == true) {
 					if(!this.ifPay) return;
 					this.ifPay = false;