Page({
  data: {
    list:[],
    children:[]
  },
  toggleExpand(e) {
    const id = e.currentTarget.dataset.id;
    const canGo = e.currentTarget.dataset.have;
    // const list = this.data.list.map(item => {
    //   if (item.id === id) {
    //     return { ...item, haveChildren: !item.haveChildren };
    //   } else {
    //     return { ...item, haveChildren: false };
    //   }
    // });
    // this.setData({ list });
    if(!canGo){
      wx.navigateTo({
        url: '/pages/newdetail/newdetail?name='+id // 支持参数传递
        // url: '/pages/detail/detail?name='+id // 支持参数传递
      })
    }
  },
  // 在生命周期函数中加载数据
onLoad(options) {
  let that = this;
  const s = options.name;
  const eventChannel = this.getOpenerEventChannel();   //取到事件对象
  wx.setNavigationBarTitle({ title: s });
  eventChannel.on("getCartDatalist",data=>{//发布事件
    that.setData({

      list:data,
      children: data.children   //cartDataList为此页的数据模型
      // this.setData({list:childIndex.children});
    });
    console.log(that.data.cartDataList,"我被传过来了");
  });
  console.log(eventChannel);
},
refresh: function(e) {
    
  wx.navigateTo({
    url: '/pages/detail/detail?id=1&name=example'
  });
},
// 点击事件处理函数
handleItemClick: function (e) {
  // const index = e.currentTarget.dataset.index; // 主列表索引
  // const subIndex = e.currentTarget.dataset.subIndex; // 子列表索引
  // const subItem = this.data.list[index].sublist[subIndex];
  // wx.showToast({ title: `点击了 ${subItem.name}`, icon: 'none' });
  const childIndex = e.currentTarget.dataset.childIndex;
  // const {parentIndex, childIndex} = e.currentTarget.dataset
  // const childData = this.data.list[parentIndex].children[childIndex]
  // const childId = e.currentTarget.dataset.child;

  console.log(childIndex);
  if(childIndex.haveChildren){
    wx.navigateTo({

      url: '/pages/elselist/elselist', // 支持参数传递
      // url: '/pages/detail/detail?name='+childIndex.id // 支持参数传递
      success  (res) {
        // 通过eventChannel向被打开页面传送数据
        res.eventChannel.emit('getCartDatalist', childIndex)  //触发事件
      }
    })
  }else{
    console.log(childIndex.id);
    wx.navigateTo({

      url: '/pages/newdetail/newdetail?name='+childIndex.id // 支持参数传递
      // url: '/pages/detail/detail?name='+childIndex.id // 支持参数传递
    })
  }
    wx.showToast({
      title: `点击了子项 ${childIndex.id}`,
      icon: 'none'
    });
},


})