使用Ant Design的Table和Checkbox模拟Tree

import React, { useState, useRef, useEffect } from "react";
import { Table, Input, Checkbox } from "antd";
const { Search } = Input;

export default () => {
  const initialData: any = useRef([]);  //使用useRef创建initialData
  const [data, setData] = useState([
    {
      key: 1,
      title: "普通餐厅（中餐/日料/西餐厅）",
      checkboxData: [
        { key: 12, title: "普通服务员" },
        { key: 13, title: "收银" },
        { key: 14, title: "迎宾/接待" },
      ],
    },
    {
      key: 2,
      title: "零售/快消/服装",
      checkboxData: [
        { key: 17, title: "基础店员" },
        { key: 19, title: "收银员" },
        { key: 20, title: "理货员" },
      ],
    },
  ]);
  useEffect(() => {
    initialData.current = [...data]; //设置初始化值
  }, []);
  const [checkedJob, setCheckedJob] = useState([]); //设置子级中选择的类
  const [selectedRowKeys, setSelectedRowKeys] = useState<any>([]); //设置选择的行
  const expandedRowRender = (record: any) => {
    return (
      <div style={{ paddingLeft: 50, boxSizing: "border-box" }}>
        <p>请选择岗位，或勾选类别全选岗位</p>
        <div>
          <Checkbox.Group value={checkedJob}>
            {record.checkboxData.map((item: any) => {
              return (
                <Checkbox
                  value={item.key}
                  key={item.key}
                  onChange={checkChange}
                >
                  {item.title}
                </Checkbox>
              );
            })}
          </Checkbox.Group>
        </div>
      </div>
    );
  };
  const rowSelection = {
    selectedRowKeys,
  };
  return (
    <div
      style={{
        background: "#fff",
        padding: 24,
        boxSizing: "border-box",
        width: 982,
      }}
    >
      <Search
        placeholder="请输入岗位名称"
        onSearch={(value) => {
          console.log(loop(value));
        }}
      />
      <Table
        showHeader={false}
        columns={columns}
        expandable={{
          expandedRowRender,
        }}
        dataSource={data}
        pagination={false}
        rowSelection={rowSelection}
      />
    </div>
  );
};
const columns = [{ title: "title", dataIndex: "title", key: "title" }];

//首选在rowSelection配置中添加onSelect
const rowSelection = {
    selectedRowKeys,
    onSelect
  };

//一级全选或者取消的逻辑
const onSelect = (record: any, selected: any) => {
    //因为存在搜索，所以需要使用我们的初始化数据，找到当前record.key在初始化数据中对应的数据
    let initialParent = initialData.current.find(
      (d: any) => d.key === record.key
    );
　　//初始化数据中对应的二级数据
    let selectParentData = initialParent.checkboxData
      ? initialParent.checkboxData.map((d: any) => d.key)
      : [];
    if (selected) { //全选
      //向selectRowKeys添加选中的值
      setSelectedRowKeys([...selectedRowKeys, record.key]);
      //更新child数组，将selectParentData中的数据全部过滤添加
      setCheckedJob(Array.from(new Set([...checkedJob, ...selectParentData])));
    } else { //取消全选
      //从父级数组中移除key值
      setSelectedRowKeys(
        [...selectedRowKeys].filter((d: any) => d !== record.key)
      );
      //更新child数组，将selectParentData中的数据全部过滤掉
      let newArr: any = [];
      [...checkedJob].forEach((v) => {
        if (selectParentData.indexOf(v) === -1) {
          newArr.push(v);
        }
      });
      setCheckedJob(newArr);
    }
  };

 //判断b数组中的数据是否全部在a数组中
 const isContained = (a: any, b: any) => {
    if (!(a instanceof Array) || !(b instanceof Array)) return false;
    if (a.length < b.length) return false;
    var aStr = a.toString();
    for (var i = 0, len = b.length; i < len; i++) {
      if (aStr.indexOf(b[i]) == -1) return false;
    }
    return true;
  };
//设置checkbox的onChange事件
 const checkChange = (e: any) => {
    let praentRowsKey: any;
    //找到选中的二级对应的父级key
    initialData.current.forEach((v: any) => {
      if (v.checkboxData.find((d: any) => d.key === e.target.value)) {
        praentRowsKey = v.key;
      }
    });
    if (e.target.checked) {
      //选中时 设置当前的check数组
      let newCheckedJob = [...checkedJob, e.target.value];
      setCheckedJob(newCheckedJob);
      //判断当前二级的内容是否全部被选中，如果全部选中，则需要设置selectedRowKeys
      //praentRowsKey下的所有子元素
      let childArr = initialData.current
        .find((d: any) => d.key === praentRowsKey)
        ?.checkboxData?.map((i: any) => i.key);
      //  为当前选择之后的新数组
      if (isContained(newCheckedJob, childArr)) {
        //全部包含，设置父级
        setSelectedRowKeys([...selectedRowKeys, praentRowsKey]);
      }
    } else {
      //取消选中 设置当前的child数组
      setCheckedJob(
        [...checkedJob].filter((d: number) => d !== e.target.value)
      );
      //判断当前父级中是否存在praentRowsKey，存在则去除
      if (!!~selectedRowKeys.indexOf(praentRowsKey)) {
        setSelectedRowKeys(
          [...selectedRowKeys].filter((d: any) => d !== praentRowsKey)
        );
      }
    }
  };

//Search组件搜索时，触发更改data
<Search
    placeholder="请输入岗位名称"
    onSearch={(value) => {
      setData(loop(value));
    }}
/>


  //搜索岗位时，进行过滤
  const loop = (searchValue: any) => {
    let loopData = initialData.current?.map((item: any) => {
      let childrenData: any = [];
      if (item.checkboxData) {
        //如果存在二级，则进行二级的循环,过滤出搜索到的value
        childrenData = item.checkboxData.filter(
          (d: any) => !!~d.title.indexOf(searchValue)
        );
      }
      if (childrenData.length) {
        return {
          title: item.title,
          key: item.key,
          checkboxData: childrenData,
        };
      }
    });
　　//搜索的值不为空时，返回搜索过滤后都数据（因为map出来的数据中有undefined，所以需要再次进行过滤），为空时返回初始化数据
    return searchValue ? loopData.filter((d: any) => d) : initialData.current;
  };

const [selectAllDisabled, setSelectAllDisabled] = useState<boolean>(false); //声明一个变量，控制是否允许选择，默认为false

//在rowSelection中添加getCheckboxProps
const rowSelection = {
    selectedRowKeys,
    onSelect,
    getCheckboxProps: (record: any) => ({   
      disabled: selectAllDisabled,　　//true：禁止，false：允许
    }),
  };
//在搜索的时候设置
 const loop = (searchValue: any) => {
    ...
    setSelectAllDisabled(searchValue ? true : false);     //当搜索内容为空时，因为回到的是初始值，所以需要它允许选择，搜索内容不为空时，禁止选择
    ...
  };

const [expandedRowKeys, setExpandedRowKeys] = useState<any>([]); //声明变量设置展开的行，默认全都收起

//table的 expandable添加 onExpand，expandedRowKeys
<Table
   expandable={{
    expandedRowRender,
    onExpand,
    expandedRowKeys,
  }}
/>

//搜索时改变状态
const loop = (searchValue: any) => {
    ...
    //有数据时自动展开所有搜索到的，无数据的时候默认全部收起
    setExpandedRowKeys(
      searchValue ? initialData.current.map((d: any) => d.key) : []
    );
    ...
  };

//控制表格的展开收起
  const onExpand = (expanded: any, record: any) => {
    if (expanded) {
      setExpandedRowKeys([...expandedRowKeys, record.key]);  //展开时，将需要展开的key添加到数组中
    } else {
      setExpandedRowKeys(
        [...expandedRowKeys].filter((d: any) => d !== record.key)　　//收起时，将该key移除数组
      );
    }
  };

const rowSelection = {
    selectedRowKeys,
    // onSelect,
    // getCheckboxProps: (record: any) => ({
    //   disabled: selectAllDisabled,
    // }),
    renderCell: (checked: any, record: any) => {
      //当前record.key对应大初始化数据的一级所有数据
      let parentArr = initialData?.current?.find(
        (d: any) => d.key === record.key
      );
      //从所有已经选择过的数据中过滤出在parentArr中的数据
      let checkArr = parentArr?.checkboxData?.filter(
        (item: any) => checkedJob.indexOf(item.key) > -1
      );
      return (
        <Checkbox
          indeterminate={
            parentArr?.checkboxData &&
            !!checkArr?.length &&
            checkArr.length < parentArr.checkboxData.length
              ? true
              : false
          } //比较 当过滤后选中数据的长度 < 初始化数据的长度时，设置 indeterminate 状态为true，否则为false
          onClick={(e) => onClick(e, record)}
          checked={checked}
          disabled={selectAllDisabled}
        ></Checkbox>
      );
    },
  };

const onClick = (e: any, record: any) => {
    //存在搜索时，需要进行处理selectParentData
    let initialParent = initialData.current.find(
      (d: any) => d.key === record.key
    );
    let selectParentData = initialParent.checkboxData
      ? initialParent.checkboxData.map((d: any) => d.key)
      : [];
    if (e.target.checked) {
      //向选中数组中添加key值
      setSelectedRowKeys([...selectedRowKeys, record.key]);
      //更新child数组，将selectParentData中的数据全部过滤添加
      setCheckedJob(Array.from(new Set([...checkedJob, ...selectParentData])));
    } else {
      //从父级数组中移除key值
      setSelectedRowKeys(
        [...selectedRowKeys].filter((d: any) => d !== record.key)
      );
      //更新child数组，将selectParentData中的数据全部过滤掉
      let newArr: any = [];
      [...checkedJob].forEach((v) => {
        if (selectParentData.indexOf(v) === -1) {
          newArr.push(v);
        }
      });
      setCheckedJob(newArr);
    }
  };