wx-parent/subpackages/imghome/imghome.js

// subpackages/dahome/dahome.js
// import { models, db, _ } from '../../utils/cloudbase.js'
import { getDB, getModels, getCommand, getTempFileURLs } from '../../utils/cloudbase.js'
Page({
  data: {
    // levelOptions: ['初级', '中级', '高级'],
    // selectedLevelIndex: 0,
    typeOptions: ['1段', '2段', '3段'],
    selectedTypeIndex: 0,
    items: [],
    souimg: '',
    xialaimg: '',
    pageNumber: 1,
    pageSize: 10,
    hasMore: true, // 是否还有更多数据
    isLoading: false, // 防止多次触发
    searchText: '',
    // goods_9: '',
  },

  async onLoad() {
    // 列表数据
    this.getdatalist()
    // 获取图片
    const fileIDs = [
      'cloud://honghgaier-5guiffgcf17a2eea.686f-honghgaier-5guiffgcf17a2eea-1373037829/images/icon/sou.png',
      'cloud://honghgaier-5guiffgcf17a2eea.686f-honghgaier-5guiffgcf17a2eea-1373037829/images/icon/xiala.png',
    ];

    const fileList = await getTempFileURLs(fileIDs)
    this.setData({
      souimg: fileList[0].tempFileURL,
      xialaimg: fileList[1].tempFileURL,
    })
    
    // // 并发下载多个 fileID
    // Promise.all(
    //   fileIDs.map(fileID => wx.cloud.downloadFile({ fileID }))
    // ).then(results => {
    //   // 每个 result 对应一个下载结果
    //   const tempFilePaths = results.map(r => r.tempFilePath);
    //   console.log('全部下载成功:', tempFilePaths);
    //   this.setData({
    //     souimg: tempFilePaths[0],
    //     xialaimg: tempFilePaths[1],
    //     // goods_9: tempFilePaths[2],
    //   });
    // }).catch(err => {
    //   console.error('有文件下载失败:', err);
    // });
  },

  onReachBottom() {
    // 上拉触底事件的处理函数
    this.loadMore();
  },

  loadMore() {
    // 加载更多数据的逻辑
    console.log('加载更多');
    // this.getdatalist(true);
    if (this.data.isLoading || !this.data.hasMore) return;
    this.setData({ isLoading: true });
    this.getdatalist(true);
  },

  // 模糊搜搜
  onSearchInput(e) {
    const searchText = e.detail.value;
    this.setData({
      searchText,
      pageNumber: 1,
      items: [],
      hasMore: true,
      isLoading: false
    });
    this.getdatalist(false);
  },

  // 列表数据
  async getdatalist(isLoadMore = false) {
    const { pageNumber, pageSize, selectedTypeIndex, searchText } = this.data;
    const models = await getModels()
  
    const where = {
      tag_id: 'C05HFKY0YY',
      level: Number(selectedTypeIndex) + 1,
    };
  
    if (searchText.trim()) {
      where.name = {
        $regex_ci: searchText
      };
    }
  
    try {
      const { data } = await models.file_manage.list({
        filter: { where },
        pageSize,
        pageNumber,
        getCount: true,
        envType: "prod",
      });
  
      let collectList = data.records || [];

      // 提取 cover 云文件 ID 并批量获取临时链接
      const coverFileIDs = collectList.map(item => item.cover).filter(Boolean);
      let tempFiles = [];
      if (coverFileIDs.length > 0) {
        try {
          tempFiles = await getTempFileURLs(coverFileIDs);
        } catch (err) {
          console.error('获取临时链接失败', err);
        }
      }

      // 给每条记录添加可直接渲染的 coverUrl
      collectList = collectList.map((item, index) => ({
        ...item,
        coverUrl: tempFiles[index] ? tempFiles[index].tempFileURL : ''
      }));

      this.setData({
        items: isLoadMore ? this.data.items.concat(collectList) : collectList,
        pageNumber: pageNumber + 1,
        hasMore: collectList.length === pageSize,
        isLoading: false
      });
    } catch (err) {
      console.error('获取数据失败:', err);
    }
  },

  goToGoodsList(event) {
    // 获取绑定的数据
    const item = event.currentTarget.dataset.item;
    // 将数据转换为 JSON 字符串并传递
    const itemStr = encodeURIComponent(JSON.stringify(item));
    wx.navigateTo({
      url: `/subpackages/detailsimg/detailsimg?item=${itemStr}`
    });
  },

  handleTypeChange(e) {
    const index = Number(e.detail.value);

    this.setData({
      selectedTypeIndex: index,
      pageNumber: 1, // 重置分页，从第一页查
      hasMore: true,
      isLoading: false,
      items: [] // 可选：清空旧数据避免闪烁
    });

    this.getdatalist(false);
  }
})