library-wechat/subpkg/pages/activity-list/activity-list.vue

<template>
	<view class="activity-list">
		<view class="tab-box">
			<view 
				class="tab-item" 
				:class="{ active: currentTab === 0 }"
				@click="switchTab(0)"
			>
				进行中
			</view>
			<view 
				class="tab-item" 
				:class="{ active: currentTab === 1 }"
				@click="switchTab(1)"
			>
				往期活动
			</view>
		</view>

    <scroll-view
        scroll-y
        @scrolltolower="onLoadMore"
        lower-threshold="150"
        class="scroll-view"
      >
			<view class="activity-item" v-for="(item, index) in displayList" @click="toActivityDetail(item)" :key="index">
				<image class="activity-img" :src="item.coverImage" mode="aspectFill"></image>
        <!-- 状态小标 -->
        <view class="status-tag" 
          v-if="item.status === '未开始' || item.status === '进行中' || item.status === '已结束'"
          :class="[
            item.status === '未开始' ? 'tag-wait' : '',
            item.status === '进行中' ? 'tag-doing' : '',
            item.status === '已结束' ? 'tag-end' : ''
          ]"
        >
          {{item.status}}
        </view>
				<view class="activity-info">
					<view class="activity-info-left">
						<view class="title-wrap">
              <text class="activity-title">{{ item.title }}</text>
						</view>
						<view class="time">
							<uni-icons class="time-icon" custom-prefix="iconfont" type="icon-shijian" size="15"></uni-icons>
							<text>{{ item.startTime }} - {{ item.endTime }}</text>
						</view>
					</view>
				</view>
			</view>

			<view class="empty" v-if="displayList.length === 0 && !loading">
        <uni-icons custom-prefix="iconfont" type="icon-kongshuju" size="80"></uni-icons>
				<text style="margin-top: 20px;">暂无{{ currentTab === 0 ? '进行中的活动' : '往期活动' }}~</text>
			</view>

			<!-- 底部加载提示 -->
			<view class="footer-tip" v-if="displayList.length>0">
				<text v-if="loading">加载中...</text>
				<text v-else-if="noMore">没有更多数据了</text>
			</view>
		</scroll-view>
	</view>
</template>

<script>
import { FetchActivityInfo } from '@/api/activity';
import config from '@/utils/config';

export default {
	data() {
		return {
			currentTab: 0,
			activityList: [],
			baseUrl: config.baseUrl,
			page: 0,
			size: 10,
			loading: false,
			noMore: false
		};
	},
	computed: {
		displayList() {
			return this.activityList
		}
	},
	onLoad() {
		this.getNewActivityList(false);
	},
  /** 页面原生下拉刷新，pages.json对应页面开启enablePullDownRefresh */
  async onPullDownRefresh() {
    if(this.loading){
      uni.stopPullDownRefresh()
      return
    }
    this.page = 0;
    this.noMore = false;
    try{
      await this.getNewActivityList(false);
    }finally{
      uni.stopPullDownRefresh()
    }
  },
	methods: {
		switchTab(index) {
			this.currentTab = index;
			//切换tab重置分页
			this.page = 0;
			this.activityList = [];
			this.noMore = false;
			this.getNewActivityList(false);
		},

    /**
     * @param {Boolean} isLoadMore true=上拉加载更多追加 false=刷新重置列表
     */
    async getNewActivityList(isLoadMore = false){
			if(this.loading) return;
			this.loading = true;

      let statusArr = []
      if(this.currentTab === 0){
        // 进行中：未开始0、进行中1
        statusArr = [0, 1]
      }else{
        // 往期：已结束2
        statusArr = [2]
      }
      const params = {
        page: this.page,
        size: this.size,
        status: statusArr
      }
      console.log('params',params)
      try {
        const res = await FetchActivityInfo(params)
        console.log(res)
        if (res.code === 200 ) {
          const records = res.data.content || []
          records.forEach(item => {
            if(item.coverImage){
              const imgId = encodeURIComponent(item.coverImage);
              item.coverImage = `${this.baseUrl}/files/${imgId}`;
            }else{
              item.coverImage = ''
            }
          })
					if(isLoadMore){
						this.activityList.push(...records)
					}else{
						this.activityList = records
					}
					// 判断是否没有更多
					this.noMore = records.length < this.size
        }else{
					if(!isLoadMore){
						this.activityList = [];
					}
        }
      } catch (e) {
        console.error(e)
      } finally {
        this.loading = false
      }
    },

		//上拉加载更多
		onLoadMore(){
			if(this.loading || this.noMore) return
			this.page = this.page + 1
			this.getNewActivityList(true)
		},

    getBtnText(status) {
      switch(status){
        case '已结束':
          return '活动结束'
        case '已取消':
          return '活动取消'
        case '未开始':
        case '进行中':
          return '立即参加'
        default:
          return '立即参加'
      }
    },
    isItemDisabled(item) {
      return ['已结束', '已取消'].includes(item.status)
    },

		toActivityDetail(item) {
      uni.navigateTo({
        url: "/subpkg/pages/activity-detail/activity-detail?item=" + encodeURIComponent(JSON.stringify(item))
      });
    }
	},
};
</script>

<style lang="scss" scoped>
.activity-list {
	padding: 0;
	height: 100vh;
	box-sizing: border-box;
	background-color: #f5f5f5;
	display:flex;
	flex-direction:column;
}

.tab-box {
	display: flex;
	background-color: #fff;
	margin-bottom: 10px;
  position: sticky;
  top: 0;
  z-index: 99;
}
.tab-item {
	flex: 1;
	text-align: center;
	padding: 10px 0;
	font-size: 15px;
	color: #333;
	position: relative;
}
.tab-item.active {
	color: #01a4fe;
	font-weight: bold;
}
.tab-item.active::after {
	content: '';
	position: absolute;
	width: 25px;
	height: 2px;
	background-color: #01a4fe;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	border-radius: 2px;
}

.scroll-view {
	flex: 1;
	height: 0;
  padding: 0 12px;
	box-sizing: border-box;
}

.empty {
	padding: 80rpx 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	color: #999;
}

.footer-tip{
	text-align: center;
	padding: 10px 0 20px;
	color:#999;
	font-size:13px;
}

.activity-item {
  position: relative;
	background: #fff;
	border-radius: 12px;
	margin-bottom: 15px;
	overflow: hidden;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);

	.activity-img {
		width: 100%;
		height: 100px;
    object-fit: cover;
	}

  .status-tag{
    position: absolute;
    top: 0;
    left: 0;
    padding: 4px 8px;
    border-radius: 12px 0 12px 0;
    font-size: 12px;
    &.tag-wait{
      color: #01a4fe;
	    background: #e6f7ff;
    }
    &.tag-doing{
      color: #00b42a;
	    background: #e6ffed;
    }
    &.tag-end{
      color:#868686;
      background:#f2f2f2;
    }
  }

	.activity-info {
		padding: 15px;
		display: flex;
		justify-content: space-between;
		align-items: center;

		.activity-info-left {
			flex: 1;
			.title-wrap{
				display:flex;
        justify-content: flex-start;
				align-items: flex-start;
				gap:5px;
				margin-bottom:8px;
			}
			.activity-title {
        flex: 1;
				font-size: 16px;
				font-weight: bold;
				color: #333;
			}

			.time {
				display: flex;
				align-items: center;
				font-size: 12px;
				color: #999;

				.time-icon {
					margin-right: 4px;
				}
			}
		}

		.activity-btn {
			background-color: #01a4fe;
			font-size: 14px;
			border-radius: 30px;
			padding: 0 15px;
			height: 36px;
			line-height: 36px;
      &::after{
        border:none;
      }
		}

		.disabled-btn {
			background-color: #ccc !important;
		}
	}
}
</style>