fix: 增加判断

coupon/details.html

@@ -215,7 +215,7 @@
     let goodsCount = null, goodsDetail = null;
     new Vue({
         el: '#exchangePage',
-        data () {
+        data() {
             return {
                 account: '',
                 reAccount: '',
@@ -253,7 +253,7 @@
 
 
         filters: {
-            cardType (val) {
+            cardType(val) {
                 return val.map((item) => {
                     return item == 1 ? "借记卡" : "信用卡" + " ";
                 }).join(" ");
@@ -261,17 +261,17 @@
         },
 
         watch: {
-            account (va) {
+            account(va) {
                 va && this.watchAccount();
             },
 
-            reAccount (va) {
+            reAccount(va) {
                 va && this.watchAccount();
             },
 
             productType: {
                 immediate: true,
-                handler (newVal) {
+                handler(newVal) {
                     this.maxlen = 50;
                     this.acctype = "text";
                     switch (Number(newVal)) {
@@ -345,15 +345,17 @@
             modelPop
         },
 
-        created () {
+        created() {
             /* 配置信息 */
             document.title = localStorage.getItem('title');
             let detailsConfig = JSON.parse(localStorage.getItem('product_detail'));
             goodsCount = localStorage.getItem('goodsCount');
             this.backAble = goodsCount > 1;//多个商品才有返回
-            this.bgcolor = detailsConfig.button_color;
-            this.ftColor = detailsConfig.font_color;
-            this.describe = detailsConfig.describe;
+            if (detailsConfig) {
+                this.bgcolor = detailsConfig.button_color;
+                this.ftColor = detailsConfig.font_color;
+                this.describe = detailsConfig.describe;
+            }
 
             //商品详情
             goodsDetail = JSON.parse(localStorage.getItem('goodsInfo'));
@@ -364,18 +366,18 @@
 
         computed: {
             /* 手机号验证 */
-            computedAccount () {
+            computedAccount() {
                 return /^[1][3,4,5,6,7,8,9][0-9]{9}$/.test(this.account);
             },
 
             /* 兑换按钮验证 */
-            computedExChange () {
+            computedExChange() {
                 return this.exchangeOpen || (this.goodInfo.product_type === 2 && this.goodInfo.card_show == 2) || this.goodInfo.is_e_card && this.computedAccount && this.jd_code.length === 6;
             }
         },
 
         methods: {
-            bindAvailable () {
+            bindAvailable() {
                 if (goodsDetail.wait_pay_order == 1) {
                     this.openErrorDialog('您有未支付的订单');
                     return;
@@ -387,7 +389,7 @@
             },
 
             /* 获取京东E卡短信 */
-            sendJDSms () {
+            sendJDSms() {
                 if (this.cunt === 60) {
                     req.axiosPost('/key/order/jdSendSms', { code_batch_id: this.goodsDetail.code_batch_id, mobile: this.account })
                         .then((res) => {
@@ -408,7 +410,7 @@
             },
 
             /* 请求详情 */
-            getDetails (goods_id, code_batch_id) {
+            getDetails(goods_id, code_batch_id) {
                 const token = localStorage.getItem('token');
                 return new Promise((resolve, reject) => {
                     req.axiosPost(`/key/product_detail/${goods_id}`, { token, code_batch_id }).then(({ code, data, message }) => {
@@ -452,11 +454,11 @@
             },
 
             /* 跳转订单 */
-            toOrder () {
+            toOrder() {
                 window.location.replace('./myOrder.html');
             },
 
-            openErrorDialog (tip, bottomText) {
+            openErrorDialog(tip, bottomText) {
                 this.popTitle = '温馨提示';
                 this.popText = tip;
                 this.popStatus = 2;
@@ -464,7 +466,7 @@
                 this.bottomText = bottomText;
             },
 
-            backHandler () {
+            backHandler() {
                 if (goodsCount > 1) {
                     window.location.replace('./couponCollection.html');
                 } else {
@@ -473,7 +475,7 @@
             },
 
             // 单条弹框
-            openDialog (tip) {
+            openDialog(tip) {
                 this.promtshow = true;
                 this.promttip = tip;
                 setTimeout(() => {
@@ -483,14 +485,14 @@
             },
 
             /* 弹窗回调 */
-            backFunctionPop (type) {
+            backFunctionPop(type) {
                 if (this.isLogin) {
                     this.delayedOut();
                 }
             },
 
             /* 延时自动退出 */
-            delayedOut (time = 1) {
+            delayedOut(time = 1) {
                 let entryLink = localStorage.getItem('entryLink');
                 setTimeout(() => {
                     window.location.replace(entryLink);
@@ -498,7 +500,7 @@
             },
 
             //兑换商品
-            exchangeGoodsFn () {
+            exchangeGoodsFn() {
                 //wait_pay_order  1有订单  5无订单
                 if (goodsDetail.wait_pay_order == 1) {
                     this.openErrorDialog('您有未支付的订单');
@@ -603,7 +605,7 @@
                 window.location.href = './settlement.html';
             },
 
-            focusFn (a) {
+            focusFn(a) {
                 let ele = document.querySelector('.ipt-acc');
                 setTimeout(function () {
                     ele.scrollIntoView(false);
@@ -612,7 +614,7 @@
                 }, 400);
             },
             /* 监听账号 */
-            watchAccount () {
+            watchAccount() {
                 if ((this.account === this.reAccount) && this.account) {
                     this.exchangeOpen = true;
                 } else {