优化我的收藏，活动报名，我的活动页面，活动页面页面，新增加载更多

zxl

2025-06-06 b87f40d077669eaceced44aadf7e02117f53671e

 pages/mine/activity/reportActivity.vue

@@ -1,47 +1,73 @@
<template>
   <view class="wrapper">
      <u-navbar :is-back="true" title="活动">
      </u-navbar>
      <!-- 内容区域 -->
      <scroll-view scroll-y class="content" :style="{ paddingBottom: safeAreaInsets.bottom + 'px' }">
      <scroll-view scroll-y class="content" style="height: 100vh;"   @scrolltolower="loadMore"
          :lower-threshold="100"
         >
         <view class="waterfall">
            <view class="column" v-for="(column, index) in columns" :key="index">
               <!-- 遍历每列内容 -->
               <view class="item" v-for="(item, idx) in column" :key="item.id" @click="handleItemClick(item)">
                  <!-- 图片类型 -->
                  <image v-if="item.type === '图片'" :src="item.content" mode="widthFix" class="media"
                     @load="imageLoad" :data-item="item" />
                  <image v-if="item.type === '图片'" :src="getUrl(item.cover)" mode="widthFix" class="media"
                     @load="imageLoad" :data-item="item" :style="{ height: item.height + 'px' }" />

                  <!-- 视频类型 -->
                  <video v-if="item.type === '视频'" :src="item.content" class="media" controls
                     :poster="item.poster" @play="handleVideoPlay"></video>
                  <video v-if="item.type === '视频'" :src="getUrl(item.cover)" class="media" controls
                     :poster="item.poster" @play="handleVideoPlay"
                     :style="{ height: item.height + 'px' }"></video>

                  <!-- 文字类型 -->
                  <view v-if="item.type === '文字'" class="text-content">
                     <text class="title">{{ item.cover }}</text>
                  </view>
                  <text class="title">{{ item.title }}</text>

               </view>
            </view>
         </view>
      <!--    <view style="height: 150rpx;"></view> -->
          <!-- 改进的加载更多提示 -->
               <view class="load-more">
                 <u-loadmore 
                   v-if="mockData.length > 0"
                   :status="loading ? 'loading' : noMore ? 'nomore' : 'loadmore'"
                   :load-text="{
                     loadmore: '上拉加载更多',
                     loading: '正在加载',
                     nomore: '没有更多了'
                   }"
                 />
               </view>
              <view style="height:150rpx">
					  
         </view>
      </scroll-view>



      <custom-tabbar bgColor="#ffffff" selected="activity"></custom-tabbar>



   </view>


</template>

<script>
   import {
      changeCollect
   } from '@/api/collect.js'
   import {
      getFilePreviewUrl
   } from '@/api/common.js'
   import UButton from '@/uview-components/uview-ui/components/u-button/u-button.vue';
   import UImage from '@/uview-components/uview-ui/components/u-image/u-image.vue';
   import ULoadmore from '@/uview-components/uview-ui/components/u-loadmore/u-loadmore.vue'
   import {
      getActivityReportList,
   } from '@/api/activity.js';
   export default {
      components: {
         UImage,
         UButton,
         ULoadmore
      },
      data() {
         return {
            columns: [
@@ -50,45 +76,94 @@
            ], // 双列布局
            mockData: [],
            colHeight: [0, 0], // 记录各列高度

            baseImageHeight: 300, // 图片基础高度
            baseVideoHeight: 350, // 视频基础高度
            baseTextHeight: 120, // 文字基础高度
            query: {
               pageNumber: 1,
               pageSize: 8,
            },
            loading: false, // 是否正在加载
            noMore: false, // 是否没有更多数据
            total: 0 // 总数据量
         };
      },
      onLoad() {
         this.getActivityList();
         //获得userId
      },
      methods: {
         getUrl(params) {
            getFilePreviewUrl(params).then(res => {
               return res.data.data
            })
         },

         /**
          * 下拉刷新时
          */
         onPullDownRefresh() {
            this.query.pageNumber = 1; // 重置页码
            this.noMore = false;
            this.mockData = []; // 清空数据
            this.getActivityList();
         },
         getActivityList() {
            uni.showLoading({
               title: '加载中'
            });
            const mock = [];
            getActivityReportList().then(res => {
               uni.hideLoading();
         loadMore() {
			  
           // 显示加载状态
           this.loading = true;
			  
           // 延迟执行让UI有反应时间
           setTimeout(() => {
             this.query.pageNumber += 1;
             this.getActivityList();
           }, 300);
         },
         async getActivityList() {
			  
           try {
			    
             const res = await getActivityReportList(this.query);
             this.loading = false;
               if (res.statusCode === 200) {
                  for (const value of res.data.data) {
                     const type = value.coverType;
                     const baseHeight = type === '文字' ? 120 : 350;
                     mock.push({
               const newData = res.data.data.map(value => ({
                        id: value.id,
                        type: type,
                 type: value.coverType,
                        cover: value.cover,
                        height: baseHeight,
                 height: value.coverType === '图片' ? this.baseImageHeight : 
                        value.coverType === '视频' ? this.baseVideoHeight : this.baseTextHeight,
                        title: value.activityName,
                        content: value.activityContent,
                        poster: '',
               }));
			      
               // 更新总数据量
               this.total = res.data.total || 0;
			      
               // 追加或替换数据
               this.mockData = this.query.pageNumber === 1 
                 ? newData
                 : [...this.mockData, ...newData];
			      
               // 判断是否还有更多数据
               this.noMore = newData.length < this.query.pageSize || 
                            this.mockData.length >= this.total;
			      
               // 布局更新
               this.$nextTick(() => {
                 this.layoutItems();
                     });
                  }
           } catch (error) {
             console.error('加载失败:', error);
             // 失败时回退页码
             if (this.query.pageNumber > 1) {
               this.query.pageNumber -= 1;
               }
               this.mockData = mock;
               this.layoutItems();
            })
           } finally {
             this.loading = false;
             uni.hideLoading();
             uni.stopPullDownRefresh();
           }
         },
         // 图片加载完成回调
         layoutItems() {
@@ -100,19 +175,9 @@

            this.mockData.forEach(item => {
               const minIndex = this.colHeight.indexOf(Math.min(...this.colHeight));
               this.columns[minIndex].push(item);

               // 文字类型不需要计算图片高度
               if (item.type !== 'text') {
               this.columns[minIndex].push(item); //获得高度更小的 放入元素
                  this.colHeight[minIndex] += item.height + 40; // 40为间距
               } else {
                  // 文字类型固定高度计算（根据字体大小和行数）
                  const lineHeight = 40; // 假设每行40rpx
                  const lines = Math.ceil(uni.getSystemInfoSync().windowWidth / 345 * 0.8); // 响应式行数
                  this.colHeight[minIndex] += lineHeight * lines + 40;
               }
            });
            console.log(this.colHeight)
         },
         // 图片加载回调
         imageLoad(e) {
@@ -124,30 +189,51 @@
            const item = e.currentTarget.dataset.item;

            // 重新计算实际显示高度
            const viewWidth = 345;
            const viewWidth = uni.upx2px(345); // 将rpx转换为px
            const viewHeight = viewWidth * ratio;
            const index = this.columns[0].findIndex(i => i.id === item.id) ||
               this.columns[1].findIndex(i => i.id === item.id);

            if (index !== -1) {
               const colIndex = this.colHeight[0] < this.colHeight[1] ? 0 : 1;
               this.colHeight[colIndex] -= item.height;
               this.colHeight[colIndex] += viewHeight;
            // 更新item高度
               item.height = viewHeight;
            }

            // 重新计算列高度
            this.recalculateColumns();
         },
         // 重新计算列高度
         recalculateColumns() {
            this.colHeight = [0, 0];
            this.columns.forEach((column, colIndex) => {
               column.forEach(item => {
                  this.colHeight[colIndex] += item.height + 40; // 40为间距
               });
            });
         },
         handleItemClick(item) {
            console.log(item)
            uni.navigateTo({
               url: `/pages/mine/activity/detail?id=${item.id}` // 参数通过 URL 传递
            });

         }
      },
      }
   }
</script>

<style lang="scss">
   /* 新增加载更多样式 */
      .load-more {
         padding: 20rpx 0;
         text-align: center;
         color: #999;
         font-size: 26rpx;
         background-color: #f7f8fa;
      }
   .btn-container {
      display: flex;
      justify-content: center;
      align-items: center;
      margin-top: 8px;
      /* 与上方标题保持间距 */
   }

   /* 全局样式优化 */
   .wrapper {
     height: 100vh;
@@ -167,6 +253,8 @@
     overflow: hidden;
     padding: 0 20rpx;
     box-sizing: border-box;
     /* 确保可以滚动 */
     -webkit-overflow-scrolling: touch;
   }
   
   /* 瀑布流布局优化 */
@@ -259,6 +347,7 @@
       opacity: 0;
       transform: translateY(20rpx);
     }

     to {
       opacity: 1;
       transform: translateY(0);