# coding=utf-8
def get_page(m, n):
cur_page = n
pages = []
if cur_page <= 6: # 百度分页为例
limit_start = 1 # 起始页
else:
limit_start = cur_page-5
if m >= cur_page+4:
if cur_page < 6:
limit_end = m-limit_start
else:
limit_end = cur_page + 4
else:
limit_end = m
if cur_page >= 10:
limit_start = limit_end-9
for i in xrange(limit_start, limit_end+1): # 这才是分页的关键
if cur_page == i:
pages.append(cur_page)
else:
pages.append(i)
return pages进一步精简代码：
# coding=utf-8
PER_PRE_NUM = 6
PER_NUMBER_MAX = 10
def get_page(m, n):
cur_page = n
limit_start = 1 if cur_page <= PER_PRE_NUM else cur_page - (PER_PRE_NUM-1)
if m >= cur_page+(PER_PRE_NUM-2):
limit_end = m - limit_start if cur_page < PER_PRE_NUM else cur_page + (PER_PRE_NUM-2)
else:
limit_end = m
if cur_page >= PER_NUMBER_MAX:
limit_start = limit_end-(PER_NUMBER_MAX-1)
return [i for i in xrange(limit_start, limit_end+1)]测试：
assert get_page(7, 5) == [1, 2, 3, 4, 5, 6, 7]
assert get_page(12, 6) == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
assert get_page(12, 7) == [2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
assert get_page(11, 3) == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
assert get_page(11, 6) == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
assert get_page(11, 7) == [2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
assert get_page(100, 99) == [91, 92, 93, 94, 95, 96, 97, 98, 99, 100]
print(get_page(11, 1))
print(get_page(76, 25))
print(get_page(100, 50))# coding=utf-8
PER_PRE_NUM = 6
PER_NUMBER_MAX = 10
# 百度分页为例
def get_page(m, n):
cur_page = n # 当前页
if m > PER_NUMBER_MAX:
limit_start = 1 if cur_page <= PER_PRE_NUM else cur_page - (PER_PRE_NUM - 1)
if m >= cur_page+(PER_PRE_NUM-2):
if n >= PER_PRE_NUM:
limit_end = m - limit_start if cur_page < PER_PRE_NUM else cur_page + (PER_PRE_NUM - 2)
else:
limit_end = PER_NUMBER_MAX
else:
limit_end = m
if cur_page >= PER_NUMBER_MAX or ((limit_end - limit_start) < PER_NUMBER_MAX):
limit_start = limit_end - (PER_NUMBER_MAX - 1)
else:
limit_start, limit_end = 1, m
return [i for i in xrange(limit_start, limit_end + 1)]
print(get_page(7, 5))
assert get_page(7, 5) == [1, 2, 3, 4, 5, 6, 7]
assert get_page(12, 6) == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
assert get_page(12, 7) == [2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
assert get_page(11, 3) == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
assert get_page(11, 6) == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
assert get_page(11, 7) == [2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
assert get_page(100, 99) == [91, 92, 93, 94, 95, 96, 97, 98, 99, 100]
print(get_page(11, 1))
print(get_page(76, 25))
print(get_page(18, 2))
print(get_page(11, 8))
print(get_page(11, 7))
