challengeFamily/components/scroll-view/childsCard.js

Component({
  properties: {
    list:{
      type:Object,
      observer:function(list){
        this.setData({ list });
      }
    },
    share:{
      type:Boolean,
      observer: function (share){
        this.setData({ share });
      }
    },
    showMedal:{
      type:Boolean,
      observer:function(newVal){
        console.log(newVal)
        this.setData({ showMedal:newVal });
      }
    },
  },
  data: {
    list:[],
    showMedal:false,
    share:false,
    scrollLeft:0,
    current:0,
    cardWidth:wx.getSystemInfoSync().windowWidth,
    disable:true,
    left:0,
    current:0
  },
  methods: {
    bindchange(e){
      let current = e.detail.current;
      this.setData({current})
      this.triggerEvent('getChildIndex', current );
    },
    rightScroll(){
      if (this.data.list.length>1) {
        this.setData({current:this.data.current>=this.data.list.length-1?0:this.data.current+1})
      }
    },
    leftScroll(){
      if (this.data.list.length>1) {
        this.setData({current:this.data.current<=0?this.data.list.length-1:this.data.current-1})
      }
    }
  }
})