Django template层之json报文遍历总结

Django template层之json报文遍历总结

by:授客

测试环境

Win7

Django 1.11

实例

Views.py

def home(request):

home_page = 'website/pages/home.html'

nav_menus = {'menus':[]}

nav_menus_queryset = LeftNavigation.objects.filter(parent_id=0).order_by('order').values()

for menu in nav_menus_queryset:

menu['sub_menus'] = []

sub_nav_menus_queryset = LeftNavigation.objects.filter(parent_id=menu['id']).order_by('order').values()

for sub_menu in sub_nav_menus_queryset:

menu['sub_menus'].append(sub_menu)

nav_menus['menus'].append(menu)

return render(request, home_page, {'leftNavMenus': nav_menus})

说明：其中nav_menus的具体值如下

{

"menus": [{

"parent_id": 0,

"url": "",

"id": 1,

"icon_style": "glyphiconglyphicon-cog",

"sub_id": "collapse1",

"sub_menus": [{

"parent_id": 1,

"url": "http: //www.baidu.com",

"id": 2,

"icon_style": "glyphiconglyphicon-cog",

"sub_id": "",

"order": 1,

"menu_name": "项目管理1",

"is_sub_open": 0

}, {

"parent_id": 1,

"url": "http: //www.baidu.com",

"id": 3,

"icon_style": "glyphiconglyphicon-cog",

"sub_id": "",

"order": 5,

"menu_name": "项目管理2",

"is_sub_open": 0

}],

"order": 1,

"menu_name": "项目管理",

"is_sub_open": 1

}, {

"parent_id": 0,

"url": "",

"id": 40,

"icon_style": "glyphiconglyphicon-cog",

"sub_id": "collapse2",

"sub_menus": [],

"order": 1,

"menu_name": "数据管理",

"is_sub_open": 0

}, {

"parent_id": 0,

"url": "",

"id": 20,

"icon_style": "glyphiconglyphicon-cog",

"sub_id": "collapse2",

"sub_menus": [{

"parent_id": 20,

"url": "http: //www.baidu.com",

"id": 21,

"icon_style": "glyphiconglyphicon-cog",

"sub_id": "",

"order": 1,

"menu_name": "任务管理1",

"is_sub_open": 0

}],

"order": 2,

"menu_name": "任务管理",

"is_sub_open": 0

}]

}

template

以下是不同的前端模板代码下，访问页面结果

模板1

模板2

模板3

运行结果

模板4

运行结果

模板5

运行结果