python爬虫 猫眼电影和电影天堂数据csv和mysql存储过程解析

# 去掉左右空格'hello world'.strip()  # 'hello world'# 按指定字符切割'hello world'.split(' ') # ['hello','world']# 替换指定字符串'hello world'.replace(' ','#') # 'hello#world'

import csvwith open('test.csv','w') as f:  writer = csv.writer(f) # 初始化写入对象 # 写一行 writer.writerow(['超哥哥',20]) writer.writerow(['步惊云',22])with open('test.csv','a') as f: writer = csv.writer(f) # 写多行 data_list = [('聂风',23),('秦霜',30)] writer.writerows(data_list)

from urllib import requestimport timeimport reimport csvimport randomclass MaoyanSpider(object): def __init__(self):  self.page = 1 # 用于记录页数  self.url = 'https://maoyan.com/board/4?offset={}'  self.agent = [   'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.163 /   Safari/535.1',   'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0) Gecko/20100101 Firefox/6.0',   'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; /   .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; InfoPath.3)',   'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.163 Safari/535.1'] # 请求 def get_page(self, url):  headers = {'User-Agent': random.choice(self.agent)} # 每次使用随机的user-agent  req = request.Request(url=url, headers=headers)  # 创建请求对象  res = request.urlopen(req)       # 发起请求  html = res.read().decode('utf-8')     # 获取请求内容  self.parse_page(html)        # 直接调用解析函数 # 解析 def parse_page(self, html):  pattren = re.compile(   '<div class="movie-item-info">.*?title="(.*?)".*?class="star">(.*?)</p>.*?releasetime">(.*?)</p>', re.S)  r_list = pattren.findall(html)  # rlist: [('霸王别姬', '/n    主演：张国荣,张丰毅,巩俐/n  ', '上映时间：1993-01-01'),(...),(...)]  self.write_page(r_list)    # 写入csv文件 # # 保存,打印输出 # def write_page(self,r_list): #  one_film_dict = {} #  for rt in r_list: #   one_film_dict['name'] = rt[0].strip() #   one_film_dict['star'] = rt[1].strip() #   one_film_dict['time'] = rt[2].strip()[5:15] # #   print(one_film_dict) # 保存到csv文件(writerows) -- 推荐使用此方法 def write_page(self, r_list):  # 空列表,最终writerows()的参数: [(),(),()]  film_list = []  with open('maoyan.csv', 'a',newline="") as f:   writer = csv.writer(f)   for rt in r_list:    # 把处理过的数据定义成元组    t = (rt[0], rt[1].strip(), rt[2].strip()[5:15])    film_list.append(t)   writer.writerows(film_list) def main(self):  for offset in range(0, 31, 10):   url = self.url.format(offset)   self.get_page(url)   time.sleep(random.randint(1, 3))   print('第%d页爬取完成' % self.page)   self.page += 1if __name__ == '__main__': start = time.time() spider = MaoyanSpider() spider.main() end = time.time() print('执行时间: %.2f' % (end - start))

import pymysqldb = pymysql.connect('localhost', 'root', '123456', 'maoyandb', charset='utf8')cursor = db.cursor() # 创建游标对象# execute()方法第二个参数为列表传参补位cursor.execute('insert into film values(%s,%s,%s)', ['霸王别姬', '张国荣', '1993'])db.commit() # 提交到数据库执行cursor.close() # 关闭db.close()

import pymysql# 数据库连接对象db = pymysql.connect('localhost', 'root', '123456', charset='utf8')cursor = db.cursor() # 游标对象ins_list = []   # 存放所有数据的大列表for i in range(2): name = input('请输入第%d个学生姓名:' % (i + 1)) age = input('请输入第%d个学生年龄:' % (i + 1)) ins_list.append([name, age])ins = 'insert into t3 values(%s,%s)' # 定义插入语句cursor.executemany(ins, ins_list) # 一次数据库的IO操作可插入多条语句，提升性能db.commit()  # 提交到数据库执行cursor.close() # 关闭游标db.close()  # 关闭数据库ins = 'insert into maoyanfilm values(%s,%s,%s)'cursor.execute(['霸王', '国荣', '1991'])cursor.executemany([  ['月光宝盒', '周星驰', '1993'],  ['大圣娶亲', '周星驰', '1993']])

from urllib import requestimport timeimport reimport pymysqlimport randomclass MaoyanSpider(object): def __init__(self):  self.page = 1 # 用于记录页数  self.url = 'https://maoyan.com/board/4?offset={}'  self.ua_list = [   'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) /   Chrome/14.0.835.163 Safari/535.1',   'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0) Gecko/20100101 Firefox/6.0',   'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; /   .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; InfoPath.3)']  # 创建数据库连接对象和游标对象  self.db = pymysql.connect('localhost', 'root', '123456', 'maoyandb', charset='utf8')  self.cursor = self.db.cursor() # 获取 def get_page(self, url):  # 每次使用随机的user-agent  headers = {'User-Agent': random.choice(self.ua_list)}  req = request.Request(url=url, headers=headers)  res = request.urlopen(req)  html = res.read().decode('utf-8')  self.parse_page(html)  # 直接调用解析函数 # 解析 def parse_page(self, html):  pattren = re.compile(   '<div class="movie-item-info">.*?title="(.*?)".*?class="star">(.*?)</p>.*?releasetime">(.*?)</p>', re.S)  # rlist: [('霸王别姬','张国荣','1993'),(),()]  r_list = pattren.findall(html)  print(r_list)  self.write_page(r_list) # 存入mysql数据库(executemany([ [],[],[] ])) def write_page(self, r_list):  film_list = []  ins = 'insert into filmtab values(%s,%s,%s)'  # 定义插入语句  # 处理数据,放到大列表film_list中  for rt in r_list:   one_film = [rt[0], rt[1].strip(), rt[2].strip()[5:15]]   # 添加到大列表中   film_list.append(one_film)  # 一次数据库IO把1页数据存入  self.cursor.executemany(ins, film_list)  # 提交到数据库执行  self.db.commit() def main(self):  for offset in range(0, 31, 10):   url = self.url.format(offset)   self.get_page(url)   time.sleep(random.randint(1, 3))   print('第%d页爬取完成' % self.page)   self.page += 1  # 断开数据库(所有页爬完之后)  self.cursor.close()  self.db.close()if __name__ == '__main__': start = time.time() spider = MaoyanSpider() spider.main() end = time.time() print('执行时间: %.2f' % (end - start))

import pymongo# 1.连接对象conn = pymongo.MongoClient(host='127.0.0.1', port=27017)db = conn['maoyandb']  # 2.库对象myset = db['filmtab']  # 3.集合对象myset.insert_one({'name': '赵敏'}) # 4.插入数据库

from urllib import requestimport reimport timeimport randomimport pymongoclass MaoyanSpider(object): def __init__(self):  self.url = 'https://maoyan.com/board/4?offset={}'  # 计数  self.num = 0  # 创建3个对象  self.conn = pymongo.MongoClient('localhost', 27017)  self.db = self.conn['maoyandb']  self.myset = self.db['filmset']  self.ua_list = [   'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.163 Safari/535.1',   'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0) Gecko/20100101 Firefox/6.0',   'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET /   CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; InfoPath.3)', ] def get_html(self, url):  headers = {   'User-Agent': random.choice(self.ua_list)  }  req = request.Request(url=url, headers=headers)  res = request.urlopen(req)  html = res.read().decode('utf-8')  # 直接调用解析函数  self.parse_html(html) def parse_html(self, html):  re_bds = r'<div class="movie-item-info">.*?title="(.*?)".*?class="star">(.*?)</p>.*?releasetime">(.*?)</p>'  pattern = re.compile(re_bds, re.S)  # film_list: [('霸王别姬','张国荣','1993'),()]  film_list = pattern.findall(html)  # 直接调用写入函数  self.write_html(film_list) # mongodb数据库 def write_html(self, film_list):  for film in film_list:   film_dict = {    'name': film[0].strip(),    'star': film[1].strip(),    'time': film[2].strip()[5:15]   }   # 插入mongodb数据库   self.myset.insert_one(film_dict) def main(self):  for offset in range(0, 31, 10):   url = self.url.format(offset)   self.get_html(url)   time.sleep(random.randint(1, 2))if __name__ == '__main__': start = time.time() spider = MaoyanSpider() spider.main() end = time.time() print('执行时间:%.2f' % (end - start))

from urllib import requestimport reimport timeimport randomfrom useragents import *import pymysqlclass FilmSky(object): def __init__(self):  self.url = 'https://www.dytt8.net/html/gndy/dyzz/list_23_{}.html'  # 定义两个对象  self.db = pymysql.connect('127.0.0.1', 'root', '123456', 'maoyandb', charset='utf8')  self.cursor = self.db.cursor() # 获取html函数(因为两个页面都需要发请求) def get_page(self, url):  req = request.Request(url=url, headers={'User-Agent': random.choice(ua_list)})  res = request.urlopen(req)  # ignore参数,实在处理不了的编码错误忽略  # 查看网页源码,发现网页编码为 gb2312,不是 utf-8  html = res.read().decode('gbk', 'ignore')  return html # 解析提取数据(把名称和下载链接一次性拿到) # html为一级页面响应内容 def parse_page(self, html):  # 1. 先解析一级页面(电影名称 和 详情链接)  pattern = re.compile('<table width="100%".*?<td height="26">.*?<a href="(.*?)" rel="external nofollow" rel="external nofollow" .*?>(.*?)</a>', re.S)  # film_list: [('详情链接','名称'),()]  film_list = pattern.findall(html)  # [('/html/gndy/dyzz/20190806/58956.html', '019年惊悚动作《报仇雪恨/血债血偿》BD中英双字幕'),(),()]  ins = 'insert into filmsky values(%s,%s)'  for film in film_list:   film_name = film[1]   film_link = 'https://www.dytt8.net' + film[0]   # 2. 拿到详情链接后,再去获取详情链接html,提取下载链接   download_link = self.parse_two_html(film_link)   self.cursor.execute(ins, [film_name, film_link])   self.db.commit()   # 打印测试   d = {'电影名称': film_name, '下载链接': download_link}   print(d) # {'电影名称': '019年惊悚动作《报仇雪恨/血债血偿》BD中英双字幕', '下载链接': 'ftp://ygdy8:ygdy8@yg90.dydytt.net:8590/阳光电影www.ygdy8.com.报仇雪恨.BD.720p.中英双字幕.mkv'} # 解析二级页面,获取下载链接 def parse_two_html(self, film_link):  two_html = self.get_page(film_link)  pattern = re.compile('<td style="WORD-WRAP.*?>.*?>(.*?)</a>', re.S)  download_link = pattern.findall(two_html)[0]  return download_link # 主函数 def main(self):  for page in range(1, 11):   url = self.url.format(page)   html = self.get_page(url)   self.parse_page(html)   time.sleep(random.randint(1, 3))   print('第%d页完成' % page)if __name__ == '__main__': start = time.time() spider = FilmSky() spider.main() end = time.time() print('执行时间:%.2f' % (end - start))