wx-teacher/subpackages/productdetails/productdetails.js

import { models, db, _ } from '../../utils/cloudbase.js'
Page({
  data: {
    item: {},
    quantity: 1,
    showimg: '',
    gouwucimg: '',
    gaoliao: 0,
    fenxiangljimg: '',
    shareType: '' // 用于区分是老师还是家长
  },
  onLoad(options) {
    const from = options.from || '';
    console.log('进了');
    const itemData = decodeURIComponent(options.data);
    const item = JSON.parse(itemData);
    this.setData({
      item: item,
      from
    }, () => {
      this.getbrowse()
    });

    const fileIDs = [
      'cloud://cloud1-6g98iw7i28b01747.636c-cloud1-6g98iw7i28b01747-1367995226/images/icon/show.png',
      'cloud://cloud1-6g98iw7i28b01747.636c-cloud1-6g98iw7i28b01747-1367995226/images/icon/fenxianglj.png'
      // 'cloud://cloud1-6g98iw7i28b01747.636c-cloud1-6g98iw7i28b01747-1367995226/images/icon/gouwuc_img.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({
        showimg: tempFilePaths[0],
        fenxiangljimg: tempFilePaths[1]
        // gouwucimg: tempFilePaths[1]
      });
    }).catch(err => {
      console.error('有文件下载失败:', err);
    });
  },

  // 新增浏览量
  async getbrowse() {
    const { data } = await models.wx_merchandise.update({
      data: {
          browse: this.data.item.browse + 1,  // 浏览数
        },
      filter: {
        where: {
          $and: [
            {
              _id: {
                $eq: this.data.item._id, // 推荐传入_id数据标识进行操作
              },
            },
          ]
        }
      },
      // envType: pre 体验环境， prod 正式环境
      envType: "prod",
    });
    
    // 返回更新成功的条数
    console.log(data, 'datadata');
    this.setData({
      'item.browse': this.data.item.browse + 1
    })
  },

  previewImage(e) {
    const index = e.currentTarget.dataset.index;
    const images = this.data.item.detail_images;
    wx.previewImage({
      current: images[index],  // 当前预览的图片
      urls: images             // 所有可预览的图片列表
    });
  },

  // 点击分享图标
  onShareTap() {
    wx.showActionSheet({
      itemList: ['分享给老师', '分享给家长'],
      success: (res) => {
        const shareType = res.tapIndex === 0 ? 'teacher' : 'parent';
        this.setData({ shareType });

        wx.showModal({
          title: '提示',
          content: '请点击右上角“···”按钮，选择“发送给朋友”进行分享',
          showCancel: false
        });
      },
      fail: (err) => {
        console.log('取消选择', err);
      }
    });
  },

  // 配置微信分享信息
  onShareAppMessage() {
    const { item, shareType } = this.data;

    let title = '';
    let path = '';

    if (shareType === 'teacher') {
      title = '老师推荐的优质商品，快来看！';
      path = `/subpackages/productdetails/productdetails?data=${encodeURIComponent(JSON.stringify(item))}&from=teacher`;
    } else {
      title = '家长推荐的宝藏商品，别错过！';
      path = `/subpackages/productdetails/productdetails?data=${encodeURIComponent(JSON.stringify(item))}&from=parent`;
    }

    return {
      title,
      path,
      imageUrl: item.detail_images?.[0] || ''
    };
  },
  

  // handleSpecSelect(e) {
  //   const spec = e.currentTarget.dataset.spec;
  //   this.setData({ selectedSpec: spec });
  // },
  
  // handleQuantityChange(e) {
  //   const action = e.currentTarget.dataset.action;
  //   let quantity = this.data.quantity;
  //   if (action === 'plus') {
  //     quantity++;
  //   } else if (action === 'minus' && quantity > 1) {
  //     quantity--;
  //   }
  //   this.setData({ quantity });
  // },
  
  // addToCart() {
  //   // 加入购物车逻辑
  //   console.log('加入购物车');
  // },
  
  // buyNow() {
  //   // 立即购买逻辑
  //   console.log('立即购买');
  // }
});