def __init__(self, url):
self.category = parse_url(url)
if self.is_valid():
(scheme, netloc, path, params, query, fragment) = urlparse(url)
self.scheme = scheme
self.netloc = netloc
self.baseurl = urlunparse((scheme, netloc, path, "", "", ""))
self.start = None
if self.category <= 3:
self.start = 0
if query:
self.start = int(query[query.rindex("=") + 1 :])
else:
self.baseurl = None
self.start = None
def __init__(self, url):
self.category = parse_url(url)
if self.is_valid():
(scheme, netloc, path, params, query, fragment) = urlparse(url)
self.scheme = scheme
self.netloc = netloc
self.baseurl = urlunparse((scheme, netloc, path, '', '', ''))
self.start = None
if self.category <= 3:
self.start = 0
if query:
self.start = int(query[query.rindex('=')+1:])
else:
self.baseurl = None
self.start = None
def run(self):
num = 0
total = 10
while num < total + 18:
# 1、start_url
url = self.temp_url.format(num)
print(url)
# 2、发送请求，获得响应
html_str = parse_url(url)
# 3、提取数据,注意这里使用self进行调用！
content_list, total = self.get_content_list(html_str)
# 4、保存
self.save_content_list(content_list)
# 5、构造下一页的url地址，循环2-5步
num += 18
def run(self):
num = 0
total = 100
while num < total + 18:
# 1.start_url
url = self.temp_url.format(num)
print(url)
# 2.发送请求，获取响应
html_str = parse_url(url)
# 3.提起数据
content_list, total = self.get_content_list(html_str)
# 4.保存
self.save_content_list(content_list)
# 5.构造下一页的url地址
num += 18
def run(self): #实现主要逻辑
num = 0
total = 100
while num < total + 20:
#1.start_url地址
url = self.temp_url.format(num)
print(url)
#2.发送请求，获取响应
html_str = parse_url(url)
#3.提取数据
content_list, total = self.get_contentf_list(html_str)
#4.保存
self.save_content_list(content_list)
#5.构造下一页的url地址，循环2-5步
num += 20
def run(self):
num = 0
total = 100
while num < total + 18:
start_url = self.temp_url.format(num)
html_str = parse_url(start_url)
content_list, total = self.get_content_list(html_str)
self.save_content_list(content_list)
num += 18
def run(self): #实现主要逻辑
num = 340
total = 1200
while num < total:
#1.start_url
url = self.temp_url.format(num)
#print(url)
#2.发送请求，获取响应
html_str = parse_url(url)
#3.提取数据
content_list = self.get_contentf_list(html_str)
#4.保存
self.save_content_list(content_list)
#5.构造下一页的URL地址，循环2-5部
num += 20
print(
"************************已经成功爬取%d条数据*************************"
% (num))
def run(self):
"""实现主要逻辑"""
start = 0
# count = 18
# total = 18
# while start <= total: # 循环1～5；total=50
# while start < total + count: # 循环1～5；total + count = 68
while True:
print(start) # 0 --> 18 --> 36 --> 54
"""
url：统一资源定位器
1 起始的url：start_url
2 发送请求，获取响应
3 提取数据
4 保存
5 构造下一页的起始url地址：start_url
6 循环1～5
"""
# 1 起始的统一资源定位器：start_url
start_url = self.temp_url.format(start)
# 2 发送请求，获取响应
html_str = parse_url(start_url)
"""
request_headers = {"Referer": "https://m.douban.com/tv/",
"User-Agent": "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.96 Mobile Safari/537.36"}
response = requests.get(start_url, headers=request_headers)
html_str = response.content.decode()
"""
# 3 提取数据
count, start, subject_collection_items, total = self.get_data(
html_str)
# 4 保存
self.save_data(subject_collection_items)
# 5 构造下一页的url地址
start += count
# 6 判断是否继续循环
if start > total + count:
break
def run(self): #实现主要逻辑
num = 0
total = 100
while num < total + 18:
# 1.start_url
start_url = self.temp_url.format(num)
print(start_url)
#2.发送请求获取相应
html_str = parse_url(start_url)
#3.提取数据
content_list, total = self.get_content_list(html_str)
#4.保存
self.save_content_list(content_list)
#5。构造下一页的URL地址，循环2到5
num += 18
def run(self): # 主要逻辑
'''
# 1 start_url
# 2 改送请求，获取响应
# 3 提取数据
# 4 保存
# 5 构造下一页的url地址，循环2-5步
'''
num = 0
total = 100
while num < total + 18:
# 1 start_url
start_url = self.temp_url.format(num)
print(start_url)
# 2 改送请求，获取响应
html_str = parse_url(start_url)
# 3 提取数据
content_list, total = self.get_contentf_list(html_str)
print(total)
# 4 保存
self.save_content_lis(content_list)
# 5 构造下一页的url地址，循环2-5步
num += 18
