跳转支付页面

+const app = getApp();
 Component({
 
     properties: {
         pickerData: {
             type: Object,
             value: null,
-            observer: function (value) {
+            observer: function (value, oldValue) {
                 if (!value.sourceType)
                     this.setData({pickerData: value})
             }
@@ -21,7 +22,7 @@ Component({
             }
         }
     },
-    data: {_show: false, colorSelected: false, storageNumber: 0, selectedSKU: '', pickerData: null},
+    data: {_show: false, colorSelected: false, storageNumber: 0, selectedSKU: ''},
     methods: {
         colorTap(event) {
             var that = this;
@@ -29,7 +30,6 @@ Component({
             //先遍历将所有颜色、尺码置为未选中状态
             // console.log('color')
             // console.log(tempData.view.goodsList)
-
             tempData.view.goodsList && tempData.view.goodsList.map((item, index) => {
                 item.selected = false
                 item.size_list.map((subItem, index) => {

@@ -206,7 +206,7 @@ Page(extend({}, Actionsheet, {
             that.fetchShoppingCartCount()
         }
 
-        //new app.WeToast();
+        new app.WeToast();
         that.showLoadingToast()
     },
 

@@ -254,4 +254,3 @@
         bind:goPayment="goPayment"
         bind:showChange="showChange"
 ></picker>
-