CREATE TABLE `tb_menu` ( `id` varchar(32) NOT NULL COMMENT '唯一标识', `menu_name` varchar(40) DEFAULT NULL COMMENT '菜单名称', `menu_url` varchar(100) DEFAULT NULL COMMENT '菜单链接', `type` varchar(1) DEFAULT NULL COMMENT '类型', `parent` varchar(32) DEFAULT NULL COMMENT '父级目录id', `del_flag` varchar(1) NOT NULL DEFAULT '0' COMMENT '删除标志 0:不删除 1:已删除', `create_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间', PRIMARY KEY (`id`) USING BTREE ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='菜单表';
def set_subMenus(id, menus):
"""
根据传递过来的父菜单id,递归设置各层次父菜单的子菜单列表
:param id: 父级id
:param menus: 子菜单列表
:return: 如果这个菜单没有子菜单,返回None;如果有子菜单,返回子菜单列表
"""
# 记录子菜单列表
subMenus = []
# 遍历子菜单
for m in menus:
if m.parent == id:
subMenus.append(m)
# 把子菜单的子菜单再循环一遍
for sub in subMenus:
menus2 = queryByParent(sub.id)
# 还有子菜单
if len(menus):
sub.subMenus = set_subMenus(sub.id, menus2)
# 子菜单列表不为空
if len(subMenus):
return subMenus
else: # 没有子菜单了
return None def test_set_subMenus(self):
# 一级菜单
rootMenus = queryByParent('')
for menu in rootMenus:
subMenus = queryByParent(menu.id)
menu.subMenus = set_subMenus(menu.id, subMenus) class MenuDto():
def __init__(self, id, menu_name, menu_url, type, parent, subMenus):
super().__init__()
self.id = id
self.menu_name = menu_name
self.menu_url = menu_url
self.type = type
self.parent = parent
self.subMenus = subMenus
def __str__(self):
return '%s(id=%s,menu_name=%s,menu_url=%s,type=%s,parent=%s)' % (
self.__class__.__name__, self.id, self.menu_name, self.menu_url, self.type, self.parent)
__repr = __str__ def set_subMenuDtos(id, menuDtos):
"""
根据传递过来的父菜单id,递归设置各层次父菜单的子菜单列表
:param id: 父级id
:param menuDtos: 子菜单列表
:return: 如果这个菜单没有子菜单,返回None;如果有子菜单,返回子菜单列表
"""
# 记录子菜单列表
subMenuDtos = []
# 遍历子菜单
for m in menuDtos:
m.name = to_pinyin(m.menu_name)
if m.parent == id:
subMenuDtos.append(m)
# 把子菜单的子菜单再循环一遍
for sub in subMenuDtos:
menus2 = queryByParent(sub.id)
menusDto2 = model_list_2_dto_list(menus2,
"MenuDto(id='', menu_name='', menu_url='', type='', parent='', subMenus='')")
# 还有子菜单
if len(menuDtos):
if len(menusDto2):
sub.subMenus = set_subMenuDtos(sub.id, menusDto2)
else: # 没有子菜单,删除该节点
sub.__delattr__('subMenus')
# 子菜单列表不为空
if len(subMenuDtos):
return subMenuDtos
else: # 没有子菜单了
return None def get(self):
param = request.args
id = param['id']
# 如果id为空,查询的是从根目录开始的各级菜单
rootMenus = queryByParent(id)
rootMenuDtos = model_list_2_dto_list(rootMenus,
"MenuDto(id='', menu_name='', menu_url='', type='', parent='', subMenus='')")
# 设置各级子菜单
for menu in rootMenuDtos:
menu.name = to_pinyin(menu.menu_name)
subMenus = queryByParent(menu.id)
if len(subMenus):
subMenuDtos = model_list_2_dto_list(subMenus,
"MenuDto(id='', menu_name='', menu_url='', type='', parent='', subMenus='')")
menu.subMenus = set_subMenuDtos(menu.id, subMenuDtos)
else:
menu.__delattr__('subMenus')
menus_json = json.dumps(rootMenuDtos, default=lambda o: o.__dict__, sort_keys=True, allow_nan=false,
skipkeys=true)
# 需要转字典,否则返回的字符串会带有“\”
menus_dict = json_dict(menus_json)
return fullResponse(menus_dict)
fullResponse
from flask import jsonify
def fullResponse(data='', msg='', code=0):
if msg == '':
return jsonify({'code': code, 'data': data})
elif data == '':
return jsonify({'code': code, 'msg': msg})
else:
return jsonify({'code': code, 'msg': msg, 'data': data}) 备注:python中json和字典的含义类似,在最后json返回给页面时,需要先使用json_dict方法转成dict类型,否则返回的字符串中会带有“\”
查询结果
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