这是js里的

 publish1(){
     console.log();
      const {
        type,
        multiArray,
        multiIndex,
        name,
        date,
        region,
        phone,
        desc,
        imgList,
      } =this.data;
      console.log();
         
      db.collection('publish').add({
          data:{
                    type,
                    classify1:multiArray[0][multiIndex[0]],
                    classify2:multiArray[1][multiIndex[1]],
                    name,
                    date,
                    region,
                    phone,
                    desc,
                    imgList
            },
              success:(res)=>{
                console.log(res);
                wx.switchTab({
                  url: '../index/index',
                  success:() => {
                    wx.showToast({
                      title: '发布成功',
                   })


                  }
                })
            }


              
            })
  },

这是wxml里的

<view class="body">
    <view class="top">
        <text>X</text>
        <button size="mini" bindtap="publish1"  class="publish-btn" >publish</button>
    </view>