knk/es/components/basic/form_item/dynamic_ajax_select.js

react components based on react

import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
/**
 * 动态数据异步选择组件
 */
import React, { useState, useEffect } from 'react';
import { Spin, message, Select } from 'antd';
import { fetch } from '../../../common/api';
import { log, isObjEmpty, isEqual } from '../../../common/tool';
var Option = Select.Option;

// 封装组件
var DynamicAjaxSelect = /*#__PURE__*/React.forwardRef(function (props, ref) {
  var isFirst = React.useRef(true);
  var prevApiData = React.useRef(props.apiData);
  var _useState = useState(false),
    _useState2 = _slicedToArray(_useState, 2),
    loading = _useState2[0],
    setLoading = _useState2[1];
  var _useState3 = useState([]),
    _useState4 = _slicedToArray(_useState3, 2),
    listData = _useState4[0],
    setListData = _useState4[1];
  useEffect(function () {
    var result = isEqual(prevApiData.current, props.apiData);
    if (isFirst.current && props.firstShowAll) {
      // 首次加载获取数据
      handleGetList();
    }
    if (!result) {
      // 参数不一样才重新获取数据
      handleGetList();
    }
    return function () {
      isFirst.current = false;
      prevApiData.current = props.apiData;
    };
  }, [props.apiData]);
  var handleGetList = function handleGetList() {
    var apiPath = props.apiPath,
      apiData = props.apiData,
      apiMethod = props.apiMethod,
      listName = props.listName,
      onChange = props.onChange,
      value = props.value;
    // 当为空时,不显示
    if (!isFirst.current && isObjEmpty(apiData)) {
      // 重置选择
      if (Array.isArray(value)) {
        onChange([]);
      } else if (value) onChange({});
      // 重置数据
      setListData([]);
      return;
    }
    setLoading(true);
    fetch(apiPath, apiData, apiMethod).then(function (data) {
      setListData(data.data);
    }).catch(function (err) {
      log.error(err);
      message.error("\u83B7\u53D6".concat(listName, "\u5931\u8D25:").concat(err.message));
    }).finally(function () {
      setLoading(false);
    });
  };
  var handleChange = function handleChange(key) {
    var value = props.value,
      listValueKey = props.listValueKey,
      listNameKey = props.listNameKey,
      onChange = props.onChange;
    if (Array.isArray(value)) {
      if (!key) return onChange(['', '']);
      var label;
      listData.some(function (item) {
        if (item[listValueKey].toString() === key) {
          label = item[listNameKey];
          return true;
        }
        return false;
      });
      onChange([key, label]);
    } else {
      var groupId;
      listData.some(function (item) {
        if (item[listValueKey].toString() === key || item[listValueKey].toString() === value) {
          groupId = item.chanceGroup.toString();
          return true;
        }
        return false;
      });
      onChange(key ? _defineProperty({
        groupId: groupId
      }, listValueKey, key) : _defineProperty({
        groupId: groupId
      }, listValueKey, null));
    }
  };
  var value = props.value,
    listName = props.listName,
    listValueKey = props.listValueKey,
    listNameKey = props.listNameKey,
    disabled = props.disabled;
  var selectValue;
  if (Array.isArray(value)) {
    selectValue = value[0];
  } else {
    selectValue = value;
  }
  return /*#__PURE__*/React.createElement(Spin, {
    spinning: loading,
    className: "app-dynamic-ajax-select"
  }, /*#__PURE__*/React.createElement(Select, {
    showSearch: true,
    optionFilterProp: "children",
    value: selectValue,
    onChange: handleChange,
    placeholder: "\u9009\u62E9".concat(listName),
    notFoundContent: "\u672A\u627E\u5230".concat(listName),
    allowClear: true,
    disabled: disabled,
    ref: ref
  }, /*#__PURE__*/React.createElement(Option, {
    value: "",
    title: "\u9009\u62E9".concat(listName)
  }, "\u9009\u62E9", listName), listData.map(function (item, index) {
    return /*#__PURE__*/React.createElement(Option, {
      key: index,
      value: item[listValueKey].toString(),
      title: item[listNameKey]
    }, item[listNameKey]);
  })));
});
export default DynamicAjaxSelect;