wxlitian/miniprogram/components/pallax/pallax.ts

// components/pallax/pallax.ts
Component({
  /**
   * 组件的属性列表
   */
  properties: {
    images: {
      type: Array,
      value: [],
      observer(val) {
        const len = val.length
        const newarr = [] as string[][]
        const arr = JSON.parse(JSON.stringify(val)) as string[]
        function take(len: number, num: number) {
          const cnt = Math.ceil(len / num)
          newarr.push(arr.splice(0, cnt))
          len -= cnt
          num -= 1
          if (num > 0 && len > 0) {
            take(len, num)
          }
        }
        take(len, 3)
        this.setData(
          {
            arr: newarr,
          },
          () => {
            console.log(this.data.arr)
          },
        )
      },
    },
  },

  /**
   * 组件的初始数据
   */
  data: {
    arr: [] as string[][],
  },

  /**
   * 组件的方法列表
   */
  methods: {
    animate() {
     
    },
  },
})