摘要：``` import random import requests from lxml import etree import time class Spider: def __init__(self): self.headers = { "user-agent": "Mozilla/5.0 (Wi 阅读全文

摘要：``` import pymongo class MongoDBHelp: def __init__(self, database, collection): """ 初始化链接数据库集合 :param database:数据库名 :param collection: 集合名 """ self.co 阅读全文

摘要：``` import pymysql import traceback class MysqlHelps: def __init__(self, host, db): self.connect = None self.mouse = None self.connect = pymysql.Conne 阅读全文