def get_neighbour(id):
"""
功能说明：获取上一篇、下一篇
id:对应博客id
"""
blog_list = Blog.objects.values_list('id', flat=True).order_by('id')
dic = {}
blog_list = list(blog_list)
if blog_list:
id_index = blog_list.index(id) # 当前id的索引
pre = next = 0
if len(blog_list)>1:
if id_index != 0 and id_index !=len(blog_list)-1: # 如果不是第一篇或最后一篇
pre = blog_list[id_index-1]
next = blog_list[id_index+1]
else:
if id_index == 0: # 第一篇
next = blog_list[id_index+1]
if id_index == len(blog_list)-1: # 最后一篇
pre = blog_list[id_index-1]
elif len(blog_list) == 1:
pre, next = 0, 0
dic = {'pre': pre, 'next': next}
return dic
def tagsCloud():
"""标签云"""
tags = Tags.objects.all()
tagscloud = []
for obj in tags:
size = random.randint(12,50) # 随机字体
R = random.randint(0,254)
G = random.randint(0,254)
B = random.randint(0,254) # 没有白色
RGB = 'rgb(%d,%d,%d)' %(R,G,B) # 随机颜色
dic = {}
dic['name'] = obj.name
dic['id'] = obj.id
dic['size'] = size
dic['rgb'] = RGB
tagscloud.append(dic)
return tagscloud
