wx-teacher/subpackages/kchome/kchome.js

// subpackages/kchome/kchome.js
import { models, db } from '../../utils/cloudbase.js'
Page({

  /**
   * 页面的初始数据
   */
  data: {
    carousellist: [],
    homepage_7: '',
    homepage_6: '',
    homepage_5: '',
  },

  onShow() {
    // 获取轮播图数据
    this.getBanner();
    // 获取图片
    const fileIDs = [
      'cloud://honghgaier-5guiffgcf17a2eea.686f-honghgaier-5guiffgcf17a2eea-1373037829/images/homepage/homepage_7.png',
      'cloud://honghgaier-5guiffgcf17a2eea.686f-honghgaier-5guiffgcf17a2eea-1373037829/images/homepage/homepage_6.png',
      'cloud://honghgaier-5guiffgcf17a2eea.686f-honghgaier-5guiffgcf17a2eea-1373037829/images/homepage/homepage_5.png',
    ];
    
    // 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({
    //     // carousellist: tempFilePaths.slice(0, 2),
    //     homepage_7: tempFilePaths[0],
    //     homepage_6: tempFilePaths[1],
    //     homepage_5: tempFilePaths[2],
    //   });
    // }).catch(err => {
    //   console.error('有文件下载失败:', err);
    // });

    wx.cloud.getTempFileURL({
      fileList: fileIDs,
      success: res => {
        console.log('getTempFileURL结果', res.fileList);
        this.setData({
          homepage_7: res.fileList[0].tempFileURL,
          homepage_6: res.fileList[1].tempFileURL,
          homepage_5: res.fileList[2].tempFileURL,
        });
      },
      fail: err => {
        console.error('getTempFileURL失败', err);
      }
    });
  },

    // 轮播数据
    async getBanner() {
      const { data } = await models.banner.list({
        filter: {
          where: {
            position: 1
          }
        },
        // envType: pre 体验环境， prod 正式环境
        envType: "prod",
      });
      
      // 返回查询到的数据
      this.setData({
        carousellist: data.records
      })
    },

  // 页面跳转  三级页面
  goToGoodsList(e) {
    const type = e.currentTarget.dataset.type;
    wx.navigateTo({
      url: `/subpackagestow/course/course?type=${type}`,
      success: () => {
        console.log('跳转成功');
      },
      fail: (err) => {
        console.error('跳转失败', err);
      }
    });
  },
})