@antmjs/vantui/es/cascader/demo/demo4.js

一套适用于Taro3及React的vantui组件库

import _slicedToArray from "@babel/runtime/helpers/slicedToArray";
/* eslint-disable */
import react from 'react';
import { Cell, Cascader } from '@antmjs/vantui';
import { jsx as _jsx } from "react/jsx-runtime";
import { Fragment as _Fragment } from "react/jsx-runtime";
import { jsxs as _jsxs } from "react/jsx-runtime";
export default function Demo() {
  var _react$useState = react.useState(false),
    _react$useState2 = _slicedToArray(_react$useState, 2),
    isVisible = _react$useState2[0],
    setIsVisible = _react$useState2[1];
  var _react$useState3 = react.useState(['A0', 'A12', 'A23', 'A32']),
    _react$useState4 = _slicedToArray(_react$useState3, 2),
    value = _react$useState4[0],
    setValue = _react$useState4[1];
  var lazyLoad = function lazyLoad(node, resolve) {
    setTimeout(function () {
      if (node.root) {
        resolve([{
          value: 'A0',
          text: 'A0'
        }, {
          value: 'B0',
          text: 'B0'
        }, {
          value: 'C0',
          text: 'C0'
        }]);
      } else {
        var _value = node.value,
          level = node.level;
        var text = _value.substring(0, 1);
        var value1 = "".concat(text).concat(level + 1, "1");
        var value2 = "".concat(text).concat(level + 1, "2");
        var value3 = "".concat(text).concat(level + 1, "3");
        resolve([{
          value: value1,
          text: value1,
          leaf: level >= 6
        }, {
          value: value2,
          text: value2,
          leaf: level >= 6
        }, {
          value: value3,
          text: value3,
          leaf: level >= 6
        }]);
      }
    }, 2000);
  };
  var change = function change(value) {
    setValue(value);
  };
  return /*#__PURE__*/_jsxs(_Fragment, {
    children: [/*#__PURE__*/_jsx(Cell, {
      title: "\u9009\u62E9\u5730\u5740",
      value: value ? value.join('-') : '请选择地址',
      onClick: function onClick() {
        setIsVisible(true);
      }
    }), /*#__PURE__*/_jsx(Cascader, {
      visible: isVisible,
      value: value,
      title: "\u5730\u5740\u9009\u62E9",
      closeable: true,
      onClose: function onClose() {
        setIsVisible(false);
      },
      onChange: change,
      lazy: true,
      lazyLoad: lazyLoad
    })]
  });
}