lvdao_v4/miniprogram/components/downselect/index.ts

import { ComponentWithComputed } from 'miniprogram-computed'


// components/downselect/index.ts
ComponentWithComputed({
  /**
   * 组件的属性列表
   */
  properties: {
    dateArr:Array,
    current: Object
  },

  /**
   * 组件的初始数据
   */
  data: {
    isShowDown:false
  },

  
  watch: {
    isShowDown: function (isShowDown) {
      this.triggerEvent('isShowDown',{isShowDown:isShowDown}, { bubbles: true, composed: true  })
    },
  },

  /**
   * 组件的方法列表
   */
  methods: {
    onTab(){
      this.setData({
        isShowDown: !this.data.isShowDown
      })
    },
    tapItem(e:any){
      let {key} = e.target.dataset
      let item = this.data.dateArr.find((ii:any)=>ii.key == key)
      this.setData({
        current:item,
        isShowDown:false
      })

      this.triggerEvent('currentSelect',{current:this.data.current}, { bubbles: true, composed: true  })
    },
  }
})