dash-fastapi-admin/dash-fastapi-frontend/callbacks/system_c/role_c/role_c.py

import dash
import time
import uuid
from dash import dcc
from dash.dependencies import Input, Output, State, ALL
from dash.exceptions import PreventUpdate
import feffery_antd_components as fac
import feffery_utils_components as fuc

from server import app
from utils.common import validate_data_not_empty
from api.role import get_role_list_api, get_role_detail_api, add_role_api, edit_role_api, delete_role_api, export_role_list_api
from api.menu import get_menu_tree_api


@app.callback(
    output=dict(
        role_table_data=Output('role-list-table', 'data', allow_duplicate=True),
        role_table_pagination=Output('role-list-table', 'pagination', allow_duplicate=True),
        role_table_key=Output('role-list-table', 'key'),
        role_table_selectedrowkeys=Output('role-list-table', 'selectedRowKeys'),
        api_check_token_trigger=Output('api-check-token', 'data', allow_duplicate=True)
    ),
    inputs=dict(
        search_click=Input('role-search', 'nClicks'),
        refresh_click=Input('role-refresh', 'nClicks'),
        pagination=Input('role-list-table', 'pagination'),
        operations=Input('role-operations-store', 'data')
    ),
    state=dict(
        role_name=State('role-role_name-input', 'value'),
        role_key=State('role-role_key-input', 'value'),
        status_select=State('role-status-select', 'value'),
        create_time_range=State('role-create_time-range', 'value'),
        button_perms=State('role-button-perms-container', 'data')
    ),
    prevent_initial_call=True
)
def get_role_table_data(search_click, refresh_click, pagination, operations, role_name, role_key, status_select, create_time_range, button_perms):
    """
    获取角色表格数据回调（进行表格相关增删查改操作后均会触发此回调）
    """

    create_time_start = None
    create_time_end = None
    if create_time_range:
        create_time_start = create_time_range[0]
        create_time_end = create_time_range[1]
    query_params = dict(
        role_name=role_name,
        role_key=role_key,
        status=status_select,
        create_time_start=create_time_start,
        create_time_end=create_time_end,
        page_num=1,
        page_size=10
    )
    triggered_id = dash.ctx.triggered_id
    if triggered_id == 'role-list-table':
        query_params = dict(
            role_name=role_name,
            role_key=role_key,
            status=status_select,
            create_time_start=create_time_start,
            create_time_end=create_time_end,
            page_num=pagination['current'],
            page_size=pagination['pageSize']
        )
    if search_click or refresh_click or pagination or operations:
        table_info = get_role_list_api(query_params)
        if table_info['code'] == 200:
            table_data = table_info['data']['rows']
            table_pagination = dict(
                pageSize=table_info['data']['page_size'],
                current=table_info['data']['page_num'],
                showSizeChanger=True,
                pageSizeOptions=[10, 30, 50, 100],
                showQuickJumper=True,
                total=table_info['data']['total']
            )
            for item in table_data:
                if item['status'] == '0':
                    item['status'] = dict(checked=True, disabled=item['role_id'] == 1)
                else:
                    item['status'] = dict(checked=False, disabled=item['role_id'] == 1)
                item['key'] = str(item['role_id'])
                if item['role_id'] == 1:
                    item['operation'] = []
                else:
                    item['operation'] = fac.AntdSpace(
                        [
                            fac.AntdButton(
                                '修改',
                                id={
                                    'type': 'role-operation-table',
                                    'operation': 'edit',
                                    'index': str(item['role_id'])
                                },
                                type='link',
                                icon=fac.AntdIcon(
                                    icon='antd-edit'
                                ),
                                style={
                                    'padding': 0
                                }
                            ) if 'system:role:edit' in button_perms else [],
                            fac.AntdButton(
                                '删除',
                                id={
                                    'type': 'role-operation-table',
                                    'operation': 'delete',
                                    'index': str(item['role_id'])
                                },
                                type='link',
                                icon=fac.AntdIcon(
                                    icon='antd-delete'
                                ),
                                style={
                                    'padding': 0
                                }
                            ) if 'system:role:remove' in button_perms else [],
                            fac.AntdPopover(
                                fac.AntdButton(
                                    '更多',
                                    type='link',
                                    icon=fac.AntdIcon(
                                        icon='antd-more'
                                    ),
                                    style={
                                        'padding': 0
                                    }
                                ),
                                content=fac.AntdSpace(
                                    [
                                        fac.AntdButton(
                                            '数据权限',
                                            id={
                                                'type': 'role-operation-table',
                                                'operation': 'datascope',
                                                'index': str(item['role_id'])
                                            },
                                            type='text',
                                            block=True,
                                            icon=fac.AntdIcon(
                                                icon='antd-check-circle'
                                            ),
                                            style={
                                                'padding': 0
                                            }
                                        ),
                                        fac.AntdButton(
                                            '分配用户',
                                            id={
                                                'type': 'role-operation-table',
                                                'operation': 'allocation',
                                                'index': str(item['role_id'])
                                            },
                                            type='text',
                                            block=True,
                                            icon=fac.AntdIcon(
                                                icon='antd-user'
                                            ),
                                            style={
                                                'padding': 0
                                            }
                                        ),
                                    ],
                                    direction='vertical'
                                ),
                                placement='bottomRight'
                            ) if 'system:role:edit' in button_perms else []
                        ]
                    )

            return dict(
                role_table_data=table_data,
                role_table_pagination=table_pagination,
                role_table_key=str(uuid.uuid4()),
                role_table_selectedrowkeys=None,
                api_check_token_trigger={'timestamp': time.time()}
            )

        return dict(
            role_table_data=dash.no_update,
            role_table_pagination=dash.no_update,
            role_table_key=dash.no_update,
            role_table_selectedrowkeys=dash.no_update,
            api_check_token_trigger={'timestamp': time.time()}
        )

    raise PreventUpdate


# 重置角色搜索表单数据回调
app.clientside_callback(
    '''
    (reset_click) => {
        if (reset_click) {
            return [null, null, null, null, {'type': 'reset'}]
        }
        return window.dash_clientside.no_update;
    }
    ''',
    [Output('role-role_name-input', 'value'),
     Output('role-role_key-input', 'value'),
     Output('role-status-select', 'value'),
     Output('role-create_time-range', 'value'),
     Output('role-operations-store', 'data')],
    Input('role-reset', 'nClicks'),
    prevent_initial_call=True
)


# 隐藏/显示角色搜索表单回调
app.clientside_callback(
    '''
    (hidden_click, hidden_status) => {
        if (hidden_click) {
            return [
                !hidden_status,
                hidden_status ? '隐藏搜索' : '显示搜索'
            ]
        }
        return window.dash_clientside.no_update;
    }
    ''',
    [Output('role-search-form-container', 'hidden'),
     Output('role-hidden-tooltip', 'title')],
    Input('role-hidden', 'nClicks'),
    State('role-search-form-container', 'hidden'),
    prevent_initial_call=True
)


@app.callback(
    Output({'type': 'role-operation-button', 'operation': 'edit'}, 'disabled'),
    Input('role-list-table', 'selectedRowKeys'),
    prevent_initial_call=True
)
def change_role_edit_button_status(table_rows_selected):
    """
    根据选择的表格数据行数控制编辑按钮状态回调
    """
    outputs_list = dash.ctx.outputs_list
    if outputs_list:
        if table_rows_selected:
            if len(table_rows_selected) > 1 or '1' in table_rows_selected:
                return True

            return False

        return True

    return dash.no_update


@app.callback(
    Output({'type': 'role-operation-button', 'operation': 'delete'}, 'disabled'),
    Input('role-list-table', 'selectedRowKeys'),
    prevent_initial_call=True
)
def change_role_delete_button_status(table_rows_selected):
    """
    根据选择的表格数据行数控制删除按钮状态回调
    """
    outputs_list = dash.ctx.outputs_list
    if outputs_list:
        if table_rows_selected:
            if '1' in table_rows_selected:
                return True

            return False

        return True

    return dash.no_update


@app.callback(
    Output('role-menu-perms', 'expandedKeys', allow_duplicate=True),
    Input('role-menu-perms-radio-fold-unfold', 'checked'),
    State('role-menu-store', 'data'),
    prevent_initial_call=True
)
def fold_unfold_role_menu(fold_unfold, menu_info):
    """
    新增和编辑表单中展开/折叠checkbox回调
    """
    if menu_info:
        default_expanded_keys = []
        for item in menu_info:
            if item.get('parent_id') == 0:
                default_expanded_keys.append(str(item.get('menu_id')))
                
        if fold_unfold:
            return default_expanded_keys
        else:
            return []
    
    return dash.no_update


@app.callback(
    Output('role-menu-perms', 'checkedKeys', allow_duplicate=True),
    Input('role-menu-perms-radio-all-none', 'checked'),
    State('role-menu-store', 'data'),
    prevent_initial_call=True
)
def all_none_role_menu_mode(all_none, menu_info):
    """
    新增和编辑表单中全选/全不选checkbox回调
    """
    if menu_info:
        default_expanded_keys = []
        for item in menu_info:
            if item.get('parent_id') == 0:
                default_expanded_keys.append(str(item.get('menu_id')))
                
        if all_none:
            return [str(item.get('menu_id')) for item in menu_info]
        else:
            return []
    
    return dash.no_update


@app.callback(
    [Output('role-menu-perms', 'checkStrictly'),
     Output('role-menu-perms', 'checkedKeys', allow_duplicate=True)],
    Input('role-menu-perms-radio-parent-children', 'checked'),
    State('current-role-menu-store', 'data'),
    prevent_initial_call=True
)
def change_role_menu_mode(parent_children, current_role_menu):
    """
    新增和编辑表单中父子联动checkbox回调
    """
    checked_menu = []
    if parent_children:
        if current_role_menu:
            for item in current_role_menu:
                has_children = False
                for other_item in current_role_menu:
                    if other_item['parent_id'] == item['menu_id']:
                        has_children = True
                        break
                if not has_children:
                    checked_menu.append(str(item.get('menu_id')))
        return [False, checked_menu]
    else:
        if current_role_menu:
            checked_menu = [str(item.get('menu_id')) for item in current_role_menu if item] or []
        return [True, checked_menu]


@app.callback(
    output=dict(
        modal_visible=Output('role-modal', 'visible', allow_duplicate=True),
        modal_title=Output('role-modal', 'title'),
        form_value=Output({'type': 'role-form-value', 'index': ALL, 'required': ALL}, 'value'),
        form_label_validate_status=Output({'type': 'role-form-label', 'index': ALL, 'required': True}, 'validateStatus', allow_duplicate=True),
        form_label_validate_info=Output({'type': 'role-form-label', 'index': ALL, 'required': True}, 'help', allow_duplicate=True),
        menu_perms_tree=Output('role-menu-perms', 'treeData'),
        menu_perms_expandedkeys=Output('role-menu-perms', 'expandedKeys', allow_duplicate=True),
        menu_perms_checkedkeys=Output('role-menu-perms', 'checkedKeys', allow_duplicate=True),
        menu_perms_halfcheckedkeys=Output('role-menu-perms', 'halfCheckedKeys', allow_duplicate=True),
        role_menu=Output('role-menu-store', 'data'),
        current_role_menu=Output('current-role-menu-store', 'data'),
        api_check_token_trigger=Output('api-check-token', 'data', allow_duplicate=True),
        edit_row_info=Output('role-edit-id-store', 'data'),
        modal_type=Output('role-operations-store-bk', 'data')
    ),
    inputs=dict(
        operation_click=Input({'type': 'role-operation-button', 'operation': ALL}, 'nClicks'),
        button_click=Input({'type': 'role-operation-table', 'operation': ALL, 'index': ALL}, 'nClicks')
    ),
    state=dict(
        selected_row_keys=State('role-list-table', 'selectedRowKeys')
    ),
    prevent_initial_call=True
)
def add_edit_role_modal(operation_click, button_click, selected_row_keys):
    """
    显示新增或编辑角色弹窗回调
    """
    trigger_id = dash.ctx.triggered_id
    if trigger_id.operation in ['add', 'edit']:
        # 获取所有输出表单项对应value的index
        form_value_list = [x['id']['index'] for x in dash.ctx.outputs_list[2]]
        # 获取所有输出表单项对应label的index
        form_label_list = [x['id']['index'] for x in dash.ctx.outputs_list[3]]
        menu_params = dict(menu_name='', type='role')
        tree_info = get_menu_tree_api(menu_params)
        if tree_info.get('code') == 200:
            tree_data = tree_info['data']
            if trigger_id.type == 'role-operation-button' and trigger_id.operation == 'add':
                role_info = dict(role_name=None, role_key=None, role_sort=None, status='0', remark=None)
                return dict(
                    modal_visible=True,
                    modal_title='新增角色',
                    form_value=[role_info.get(k) for k in form_value_list],
                    form_label_validate_status=[None] * len(form_label_list),
                    form_label_validate_info=[None] * len(form_label_list),
                    menu_perms_tree=tree_data[0],
                    menu_perms_expandedkeys=[],
                    menu_perms_checkedkeys=None,
                    menu_perms_halfcheckedkeys=None,
                    role_menu=tree_data[1],
                    current_role_menu=None,
                    api_check_token_trigger={'timestamp': time.time()},
                    edit_row_info=None,
                    modal_type={'type': 'add'}
                )
            elif trigger_id.operation == 'edit':
                if trigger_id.type == 'role-operation-button':
                    role_id = int(','.join(selected_row_keys))
                else:
                    role_id = int(trigger_id.index)
                role_info_res = get_role_detail_api(role_id=role_id)
                if role_info_res['code'] == 200:
                    role_info = role_info_res['data']
                    checked_menu = []
                    checked_menu_all = []
                    if role_info.get('menu')[0]:
                        for item in role_info.get('menu'):
                            checked_menu_all.append(str(item.get('menu_id')))
                            has_children = False
                            for other_item in role_info.get('menu'):
                                if other_item['parent_id'] == item['menu_id']:
                                    has_children = True
                                    break
                            if not has_children:
                                checked_menu.append(str(item.get('menu_id')))
                    half_checked_menu = [x for x in checked_menu_all if x not in checked_menu]
                    return dict(
                        modal_visible=True,
                        modal_title='编辑角色',
                        form_value=[role_info.get('role').get(k) for k in form_value_list],
                        form_label_validate_status=[None] * len(form_label_list),
                        form_label_validate_info=[None] * len(form_label_list),
                        menu_perms_tree=tree_data[0],
                        menu_perms_expandedkeys=[],
                        menu_perms_checkedkeys=checked_menu,
                        menu_perms_halfcheckedkeys=half_checked_menu,
                        role_menu=tree_data[1],
                        current_role_menu=role_info.get('menu'),
                        api_check_token_trigger={'timestamp': time.time()},
                        edit_row_info=role_info.get('role') if role_info else None,
                        modal_type={'type': 'edit'}
                    )

        return dict(
            modal_visible=dash.no_update,
            modal_title=dash.no_update,
            form_value=[dash.no_update] * len(form_value_list),
            form_label_validate_status=[dash.no_update] * len(form_value_list),
            form_label_validate_info=[dash.no_update] * len(form_value_list),
            menu_perms_tree=dash.no_update,
            menu_perms_expandedkeys=dash.no_update,
            menu_perms_checkedkeys=dash.no_update,
            menu_perms_halfcheckedkeys=dash.no_update,
            role_menu=dash.no_update,
            current_role_menu=dash.no_update,
            api_check_token_trigger={'timestamp': time.time()},
            edit_row_info=None,
            modal_type=None
        )

    raise PreventUpdate


@app.callback(
    output=dict(
        form_label_validate_status=Output({'type': 'role-form-label', 'index': ALL, 'required': True}, 'validateStatus',
                                          allow_duplicate=True),
        form_label_validate_info=Output({'type': 'role-form-label', 'index': ALL, 'required': True}, 'help',
                                        allow_duplicate=True),
        modal_visible=Output('role-modal', 'visible'),
        operations=Output('role-operations-store', 'data', allow_duplicate=True),
        api_check_token_trigger=Output('api-check-token', 'data', allow_duplicate=True),
        global_message_container=Output('global-message-container', 'children', allow_duplicate=True)
    ),
    inputs=dict(
        confirm_trigger=Input('role-modal', 'okCounts')
    ),
    state=dict(
        modal_type=State('role-operations-store-bk', 'data'),
        edit_row_info=State('role-edit-id-store', 'data'),
        form_value=State({'type': 'role-form-value', 'index': ALL, 'required': ALL}, 'value'),
        form_label=State({'type': 'role-form-value', 'index': ALL, 'required': True}, 'placeholder'),
        menu_checked_keys=State('role-menu-perms', 'checkedKeys'),
        menu_half_checked_keys=State('role-menu-perms', 'halfCheckedKeys'),
        parent_checked=State('role-menu-perms-radio-parent-children', 'checked')
    ),
    prevent_initial_call=True
)
def role_confirm(confirm_trigger, modal_type, edit_row_info, form_value, form_label, menu_checked_keys, menu_half_checked_keys, parent_checked):
    """
    新增或编辑角色弹窗确认回调，实现新增或编辑操作
    """
    if confirm_trigger:
        # 获取所有输出表单项对应label的index
        form_label_output_list = [x['id']['index'] for x in dash.ctx.outputs_list[0]]
        # 获取所有输入表单项对应的value及label
        form_value_state = {x['id']['index']: x.get('value') for x in dash.ctx.states_list[2]}
        form_label_state = {x['id']['index']: x.get('value') for x in dash.ctx.states_list[3]}
        if all(validate_data_not_empty(item) for item in [form_value_state.get(k) for k in form_label_output_list]):
            menu_half_checked_keys = menu_half_checked_keys if menu_half_checked_keys else []
            menu_checked_keys = menu_checked_keys if menu_checked_keys else []
            if parent_checked:
                menu_perms = menu_half_checked_keys + menu_checked_keys
            else:
                menu_perms = menu_checked_keys
            params_add = form_value_state
            params_add['menu_id'] = ','.join(menu_perms) if menu_perms else None
            params_edit = params_add.copy()
            params_edit['role_id'] = edit_row_info.get('role_id') if edit_row_info else None
            api_res = {}
            modal_type = modal_type.get('type')
            if modal_type == 'add':
                api_res = add_role_api(params_add)
            if modal_type == 'edit':
                api_res = edit_role_api(params_edit)
            if api_res.get('code') == 200:
                if modal_type == 'add':
                    return dict(
                        form_label_validate_status=[None] * len(form_label_output_list),
                        form_label_validate_info=[None] * len(form_label_output_list),
                        modal_visible=False,
                        operations={'type': 'add'},
                        api_check_token_trigger={'timestamp': time.time()},
                        global_message_container=fuc.FefferyFancyMessage('新增成功', type='success')
                    )
                if modal_type == 'edit':
                    return dict(
                        form_label_validate_status=[None] * len(form_label_output_list),
                        form_label_validate_info=[None] * len(form_label_output_list),
                        modal_visible=False,
                        operations={'type': 'edit'},
                        api_check_token_trigger={'timestamp': time.time()},
                        global_message_container=fuc.FefferyFancyMessage('编辑成功', type='success')
                    )

            return dict(
                form_label_validate_status=[None] * len(form_label_output_list),
                form_label_validate_info=[None] * len(form_label_output_list),
                modal_visible=dash.no_update,
                operations=dash.no_update,
                api_check_token_trigger={'timestamp': time.time()},
                global_message_container=fuc.FefferyFancyMessage('处理失败', type='error')
            )

        return dict(
            form_label_validate_status=[None if validate_data_not_empty(form_value_state.get(k)) else 'error' for k in form_label_output_list],
            form_label_validate_info=[None if validate_data_not_empty(form_value_state.get(k)) else form_label_state.get(k) for k in form_label_output_list],
            modal_visible=dash.no_update,
            operations=dash.no_update,
            api_check_token_trigger=dash.no_update,
            global_message_container=fuc.FefferyFancyMessage('处理失败', type='error')
        )

    raise PreventUpdate


@app.callback(
    [Output('role-operations-store', 'data', allow_duplicate=True),
     Output('api-check-token', 'data', allow_duplicate=True),
     Output('global-message-container', 'children', allow_duplicate=True)],
    [Input('role-list-table', 'recentlySwitchDataIndex'),
     Input('role-list-table', 'recentlySwitchStatus'),
     Input('role-list-table', 'recentlySwitchRow')],
    prevent_initial_call=True
)
def table_switch_role_status(recently_switch_data_index, recently_switch_status, recently_switch_row):
    """
    表格内切换角色状态回调
    """
    if recently_switch_data_index:
        if recently_switch_status:
            params = dict(role_id=int(recently_switch_row['key']), status='0', type='status')
        else:
            params = dict(role_id=int(recently_switch_row['key']), status='1', type='status')
        edit_button_result = edit_role_api(params)
        if edit_button_result['code'] == 200:

            return [
                {'type': 'switch-status'},
                {'timestamp': time.time()},
                fuc.FefferyFancyMessage('修改成功', type='success')
            ]

        return [
            {'type': 'switch-status'},
            {'timestamp': time.time()},
            fuc.FefferyFancyMessage('修改失败', type='error')
        ]

    raise PreventUpdate


@app.callback(
    [Output('role-delete-text', 'children'),
     Output('role-delete-confirm-modal', 'visible'),
     Output('role-delete-ids-store', 'data')],
    [Input({'type': 'role-operation-button', 'operation': ALL}, 'nClicks'),
     Input({'type': 'role-operation-table', 'operation': ALL, 'index': ALL}, 'nClicks')],
    State('role-list-table', 'selectedRowKeys'),
    prevent_initial_call=True
)
def role_delete_modal(operation_click, button_click, selected_row_keys):
    """
    显示删除角色二次确认弹窗回调
    """
    trigger_id = dash.ctx.triggered_id
    if trigger_id.operation == 'delete':

        if trigger_id.type == 'role-operation-button':
            role_ids = ','.join(selected_row_keys)
        else:
            if trigger_id.type == 'role-operation-table':
                role_ids = trigger_id.index
            else:
                raise PreventUpdate

        return [
            f'是否确认删除角色编号为{role_ids}的角色？',
            True,
            {'role_ids': role_ids}
        ]

    raise PreventUpdate


@app.callback(
    [Output('role-operations-store', 'data', allow_duplicate=True),
     Output('api-check-token', 'data', allow_duplicate=True),
     Output('global-message-container', 'children', allow_duplicate=True)],
    Input('role-delete-confirm-modal', 'okCounts'),
    State('role-delete-ids-store', 'data'),
    prevent_initial_call=True
)
def role_delete_confirm(delete_confirm, role_ids_data):
    """
    删除角色弹窗确认回调，实现删除操作
    """
    if delete_confirm:

        params = role_ids_data
        delete_button_info = delete_role_api(params)
        if delete_button_info['code'] == 200:
            return [
                {'type': 'delete'},
                {'timestamp': time.time()},
                fuc.FefferyFancyMessage('删除成功', type='success')
            ]

        return [
            dash.no_update,
            {'timestamp': time.time()},
            fuc.FefferyFancyMessage('删除失败', type='error')
        ]

    raise PreventUpdate


@app.callback(
    [Output('role_to_allocated_user-modal', 'visible'),
     Output({'type': 'allocate_user-search', 'index': 'allocated'}, 'nClicks'),
     Output('allocate_user-role_id-container', 'data')],
    Input({'type': 'role-operation-table', 'operation': ALL, 'index': ALL}, 'nClicks'),
    State({'type': 'allocate_user-search', 'index': 'allocated'}, 'nClicks'),
    prevent_initial_call=True
)
def role_to_allocated_user_modal(allocated_click, allocated_user_search_nclick):
    """
    显示角色分配用户弹窗回调
    """
    trigger_id = dash.ctx.triggered_id
    if trigger_id.operation == 'allocation':
        return [
            True,
            allocated_user_search_nclick + 1 if allocated_user_search_nclick else 1,
            trigger_id.index
        ]

    raise PreventUpdate


@app.callback(
    [Output('role-export-container', 'data', allow_duplicate=True),
     Output('role-export-complete-judge-container', 'data'),
     Output('api-check-token', 'data', allow_duplicate=True),
     Output('global-message-container', 'children', allow_duplicate=True)],
    Input('role-export', 'nClicks'),
    prevent_initial_call=True
)
def export_role_list(export_click):
    """
    导出角色信息回调
    """
    if export_click:
        export_role_res = export_role_list_api({})
        if export_role_res.status_code == 200:
            export_role = export_role_res.content

            return [
                dcc.send_bytes(export_role, f'角色信息_{time.strftime("%Y%m%d%H%M%S", time.localtime())}.xlsx'),
                {'timestamp': time.time()},
                {'timestamp': time.time()},
                fuc.FefferyFancyMessage('导出成功', type='success')
            ]

        return [
            dash.no_update,
            dash.no_update,
            {'timestamp': time.time()},
            fuc.FefferyFancyMessage('导出失败', type='error')
        ]

    raise PreventUpdate


@app.callback(
    Output('role-export-container', 'data', allow_duplicate=True),
    Input('role-export-complete-judge-container', 'data'),
    prevent_initial_call=True
)
def reset_role_export_status(data):
    """
    导出完成后重置下载组件数据回调，防止重复下载文件
    """
    time.sleep(0.5)
    if data:

        return None

    raise PreventUpdate