Agency_WxApp/miniprogram/components/localPicker/localPicker.js

// components/localPicker/localPicker.js
import {
  postApi
} from "../../apis/api"
Component({
  properties: {
    url: {
      type: String
    },
    params: {
      type: Object
    },
    inputStyle: {
      type: String
    },
    disabled: {
      type: Boolean
    },
    value: {
      type: String || Number
    },
    label: {
      type: String
    },
    placeholder: {
      type: String
    },
  },
  data: {
    arr: [],
    index: ''
  },
  lifetimes: {
    ready() {
      this._getList()
    }
  },
  methods: {
    async _getList() {
      let res = await postApi(this.data.url, {
        ...this.data.params,
        term: this.data.label
      })
      this.setData({
        arr: res.data.result,
        label: ''
      })
    },
    _selectItem(e) {
      let index = e.detail.value
      let {
        value: label,
        key: value
      } = this.data.arr[index]
      this.setData({
        label,
        value,
        index,
      })

      this.triggerEvent('selectItem', {
        label,
        value
      })

    },
    _handlerOne() {
      this.setData({
        arr: [],
        visable: true
      })
    },
  },
  options: {
    styleIsolation: 'isolated'
  }
})