修复和优化首页点击回到今天，增加上拉加载条数至40

pages/scheduleList/scheduleList.acss

@@ -126,7 +126,7 @@
     padding: 0 32rpx;
     display: flex;
     justify-content: space-between;
-    box-shadow: 0 1rpx 10rpx 2rpx rgba(0, 0, 0, 0.04);
+    box-shadow: 0 2rpx 10rpx 3rpx rgba(0, 0, 0, 0.04);
     z-index: 9;
     position: relative;
 }

pages/scheduleList/scheduleList.js

@@ -13,8 +13,8 @@ import {
   getCreateShowTime
 } from "../../utils/utils";
 const currentDate = new Date();
-let minYear = 2020;
-let maxYear = currentDate.getFullYear() + 1;
+const minYear = 2020;
+const maxYear = currentDate.getFullYear() + 1;
 let DateMap = getDateMap(minYear, maxYear);
 const weekList = ["周日", "周一", "周二", "周三", "周四", "周五", "周六"];
 import create from "dd-store";
@@ -45,10 +45,14 @@ create.Page({
   scheduleList: [],
   timer: null,
   isFirstLoad: true,
+  blankDataLength: 0,
+  blankDataLengthAfter: 0,
+  minYear: minYear,
+  maxYear: maxYear,
   onShow() {
     //如果是重复会议重新算
     if (this.$store.data.indexNeedUpdate) {
-      DateMap = getDateMap(minYear, maxYear);
+      DateMap = getDateMap(this.minYear, this.maxYear);
       this.onLoad();
     }
     //单次会议往DateMap中添加
@@ -221,8 +225,11 @@ create.Page({
     this.totalPages = Math.ceil(scheduleList.length / this.pageSize);
     for (let i = 0; i < scheduleList.length; i++) {
       if (scheduleList[i].dateStr == toLocaleDateString(currentDate)) {
-        this.firstPage = Math.floor(i / this.pageSize) - 2;
-        this.currentPage = Math.floor(i / this.pageSize) + 2;
+        const centerPage = Math.floor(i / this.pageSize);
+        // firstPage转为4的倍数，一次下拉加载40条
+        const firstPage = centerPage - 2;
+        this.firstPage = firstPage % 4 == 0 ? firstPage : firstPage - firstPage % 4;
+        this.currentPage = centerPage + 2;
         break
       }
     }
@@ -233,12 +240,6 @@ create.Page({
       endTime: "2025-12-30 23:59:59"
     }).then(res => {
       this.getScheduleList(res.data.data);
-      // this.getPagination(this.scheduleList);
-      // 第一次加载
-      // this.setData({
-      //   scheduleList: this.scheduleList.slice(this.firstPage * this.pageSize, this.currentPage * this.pageSize),
-      //   loading: false
-      // });
     });
   },
   //生成DateMap值
@@ -445,8 +446,10 @@ create.Page({
       });
     } else {
       //超出加载一年的数据
-      maxYear++;
-      this.scheduleList.push(...getBlankList(maxYear));
+      this.maxYear++;
+      const yearData = getBlankList(this.maxYear);
+      this.blankDataLengthAfter += yearData.length;
+      this.scheduleList.push(...yearData);
       this.setData({
         scheduleList: this.scheduleList.slice(this.firstPage * this.pageSize)
       })
@@ -465,20 +468,21 @@ create.Page({
     }
     // const todayStr = this.data.scheduleList[0].dateStr;
     if (this.firstPage > 0) {
-      this.firstPage--;
-      this.currentPage--;
+      this.firstPage -= 4;
+      this.currentPage -= 4;
       this.setData({
         todayStr: '',
         scheduleList: this.scheduleList.slice(this.firstPage * this.pageSize, this.currentPage * this.pageSize)
       }, () => {
         this.setData({
-          todayStr: this.data.scheduleList[this.pageSize - 1].dateStr
+          todayStr: this.data.scheduleList[this.pageSize * 4 - 1].dateStr
         });
         dd.stopPullDownRefresh();
       });
     } else {
-      minYear--;
-      const yearData = getBlankList(minYear);
+      this.minYear--;
+      const yearData = getBlankList(this.minYear);
+      this.blankDataLength += yearData.length;
       this.scheduleList.unshift(...yearData);
       this.totalPages = Math.ceil(this.scheduleList.length / this.pageSize);
       this.currentPage = Math.floor(yearData.length * 2 / this.pageSize);
@@ -627,7 +631,28 @@ create.Page({
       )}`
     });
   }, 1000),
-  backToToday() {
+  backToToday(type) {
+    if (!type) {
+      //如果当前的日期还没加载出来点击无效,下拉积累数据过长可以去掉
+      const isFindArr = this.data.scheduleList.filter(it => it.dateStr == toLocaleDateString(currentDate));
+      if (isFindArr.length == 0 || this.data.scheduleList.length > 100) {
+        //去掉头部空数据
+        if (this.minYear < minYear) {
+          this.scheduleList.splice(0, this.blankDataLength);
+          this.minYear = minYear;
+        }
+        //去掉尾部数据
+        if (this.maxYear > maxYear) {
+          this.scheduleList.splice(-this.blankDataLengthAfter);
+          this.maxYear = maxYear;
+        }
+        this.getPagination(this.scheduleList);
+        this.setData({
+          scheduleList: this.scheduleList.slice(this.firstPage * this.pageSize, this.currentPage * this.pageSize)
+        });
+      }
+    }
+
     //需要先清空todayStr再设置才有效
     this.setData(
       {
@@ -654,7 +679,7 @@ create.Page({
       this.backToToday();
     }
     if (this.isFirstLoad) {
-      this.backToToday();
+      this.backToToday('first');
       this.isFirstLoad = false;
       this.resetToview = true;
     }