wx-teacher/subpackages/jxhome/jxhome.js

// subpackages/jxhome/jxhome.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://cloud1-6g98iw7i28b01747.636c-cloud1-6g98iw7i28b01747-1367995226/images/banner/carousel_1.jpg',
      // 'cloud://cloud1-6g98iw7i28b01747.636c-cloud1-6g98iw7i28b01747-1367995226/images/banner/carousel_2.jpg',
      // 'cloud://cloud1-6g98iw7i28b01747.636c-cloud1-6g98iw7i28b01747-1367995226/images/banner/carousel_3.jpg',
      'cloud://cloud1-6g98iw7i28b01747.636c-cloud1-6g98iw7i28b01747-1367995226/images/homepage/homepage_7.png',
      'cloud://cloud1-6g98iw7i28b01747.636c-cloud1-6g98iw7i28b01747-1367995226/images/homepage/homepage_6.png',
      'cloud://cloud1-6g98iw7i28b01747.636c-cloud1-6g98iw7i28b01747-1367995226/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);
    });
  },

  // 轮播数据
  async getBanner() {
    const { data } = await models.banner.list({
      filter: {
        where: {
          position: 3
        }
      },
      // 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/teaching/teaching?type=${type}`,
      success: () => {
        console.log('跳转成功');
      },
      fail: (err) => {
        console.error('跳转失败', err);
      }
    });
  },
})