<Select
                                value={selectedItems}
                                // onChange={setSelectedItems}
                                defaultOpen
                                mode="multiple"
                                onChange={onChangeVlaue}
                                showSearch
                                open={open}
                                onDropdownVisibleChange={(visible) => setOpen(true)}
                                style={{ width: '100%' }}
                                placeholder="请选择员工"
                                optionFilterProp="children"
                                autoFocus
                            >
                                {staffList && staffList.map((item: any) => (
                                    <Option value={item.id}>{item.name}</Option>
                                ))}
                            </Select>

showSearch可以让select具有搜索功能