>>> Import Requests>>> requests. Get ('http://www.baidu.com')<response []>Import Selenium from Import webdriver>>> driver = webdriver. Chrome () DevTools listening on WS://127.0.0.1:60980/devtools/browser/7c2cf211-1a8e-41ea-8e4a-c97356c98910 >>> driver.get ('http://www.baidu.com')The above command can open the Chrome browser directly and open Baidu. However, before this we must install a chromedriver, and install Googlchrome browser, you can go to the official website to download. When we install and then run these test code may still appear a flash back, then the problem is that the version of Chrome and Chromdriver is incompatible, you can download chrome higher version on the official website, or chromedriver lower version, But as long as it is the highest version there is no problem.
from Import webdriver>>> driver = webdriver. PHANTOMJS ()>>> driver.get ('http://www.baidu.com')>>> Driver.page_source ' from Import beautifulsoup>>> soup = beautifulsoup ('', ' lxml ' )>>>>>> from pyquery import Pyquery as PQ # rename it >>> doc = PQ ( Span style= "COLOR: #800000" > " <HTML></HTML> " >>> doc = PQ ( >>> result = doc ( " html " ). Text () >>> result " hello World "
Import pymysql>>> conn = pymysql.connect (host='localhost', user=' Root ' ' 123456 ', port=3306,db='mysql')>>> cursor = Conn.cursor ()>>> cursor.execute ('select * from db') 0>>>ImportPymongo>>> client = Pymongo. Mongoclient ('localhost')>>> db = client['Newtestdb']>>> db['Table'].insert ({'name':'Tom'}) ObjectId ('5b868ee4c4d17a0b2466f748')>>> db['Table'].find_one ({'name':'Tom'}){'_id': ObjectId ('5b868ee4c4d17a0b2466f748'),'name':'Tom'}>>>#completed a single query of the data >>> import Redis >> > r = Redis. Redis ( " localhost ", 6379 >>> r.set (" name ", " tom " Span style= "COLOR: #000000" >) True >>> r.get ( " name " ) b " tom " >> > # is a byte type data type c:\users\dell>is in from local Directory:c:\users\dell
You can create a new Python3 file in option new, and you can write code.
The default file name is Unite, change it here to Testdemo, use the shortcut key CTRL + ENTER run, press B to jump to the new edit line.
Installation of common library of Python crawler and its environment configuration
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