修改样式和功能

miniprogram/pages/index/index.ts

@@ -10,6 +10,7 @@ const PURCHASE_TYPE = {
   TEACHER: "TEACHER_VIP",
 };
 const TEACHER_VIP_PARAM_NAME = "teacher_vip_purchase_list";
+const purchaseDataCache: any = {};
 
 function getProductImage(item: any, userType: string) {
   if (!item) {
@@ -280,7 +281,12 @@ Page({
    * 获取基础信息
    */
   async onInit() {
-    if (this.data.userTypes === PURCHASE_TYPE.TEACHER) {
+    const userType = this.data.userTypes;
+    if (purchaseDataCache[userType]) {
+      this.applyPurchaseData(purchaseDataCache[userType]);
+      return
+    }
+    if (userType === PURCHASE_TYPE.TEACHER) {
       await this.onInitTeacherVip()
       return
     }
@@ -327,7 +333,7 @@ Page({
         selected = list[0];
       }
 
-      this.setData({
+      const purchaseData = {
         list,
         periodList: buildPeriodList(list),
         selectedPeriod: selected?.id ? String(selected.id) : '',
@@ -337,14 +343,29 @@ Page({
         selectInstrumentId: '',
         selectedInstrument: {},
         showBonusGift: Boolean(formatGiftText(selected))
-      }, () => {
-        this.onFormatGoods()
-      });
+      };
+      purchaseDataCache[userType] = purchaseData;
+      this.applyPurchaseData(purchaseData);
     } catch (e) {
       console.log(e, "e");
     }
   },
   // 格式化类型
+  applyPurchaseData(purchaseData: any) {
+    this.setData({
+      list: purchaseData.list,
+      periodList: purchaseData.periodList,
+      selectedPeriod: purchaseData.selectedPeriod,
+      instrumentList: purchaseData.instrumentList,
+      isOverSaled: purchaseData.isOverSaled,
+      selected: purchaseData.selected,
+      selectInstrumentId: purchaseData.selectInstrumentId,
+      selectedInstrument: purchaseData.selectedInstrument,
+      showBonusGift: purchaseData.showBonusGift
+    }, () => {
+      this.onFormatGoods()
+    });
+  },
   async onInitTeacherVip() {
     try {
       const { data } = await api_queryByParamNameList({
@@ -389,7 +410,7 @@ Page({
         || list.find((item: any) => item.stockNum > 0)
         || list[0]
         || {};
-      this.setData({
+      const purchaseData = {
         list,
         periodList: buildPeriodList(list),
         selectedPeriod: selected?.id ? String(selected.id) : '',
@@ -399,9 +420,9 @@ Page({
         selectInstrumentId: '',
         selectedInstrument: {},
         showBonusGift: Boolean(formatGiftText(selected))
-      }, () => {
-        this.onFormatGoods()
-      });
+      };
+      purchaseDataCache[PURCHASE_TYPE.TEACHER] = purchaseData;
+      this.applyPurchaseData(purchaseData);
     } catch (e) {
       console.log(e, "e");
       this.setData({
@@ -581,6 +602,9 @@ Page({
   /** 切换学生端/老师端 */
   onSwitchUserType(e: any) {
     const { dataset } = e.currentTarget;
+    if (dataset.type === this.data.userTypes) {
+      return
+    }
     this.setData({
       userTypes: dataset.type
     }, () => {