PYTHON之爬虫学习（一）基础，, 关于python爬
PYTHON之爬虫学习（一）基础，, 关于python爬
关于python爬虫，大家都很熟悉，那么我就不多说，开始做了。
首先，python爬虫先安装python库，主要是requests库，在windows中cmd中输入，pip install requests ，之后会自动安装。
之后再python IDLE 中输入import requests 无报错说明安装正确。
下面试试爬取百度页面：
最简单的方式
import requestsr=requests.get("http://www.baidu.com")print(r.text)返回的结果：
<!DOCTYPE html><!--STATUS OK--><html> <head>
<meta http-equiv=content-type content=text/html;charset=utf-8><meta http-equiv=X-UA-Compatible content=IE=Edge>
<meta content=always name=referrer><link rel=stylesheet type=text/css href=http://s1.bdstatic.com/r/www/cache/bdorz/baidu.min.css>
<title>????o|????????????°±??￥é??</title></head> <body link=#0000cc>
<div id=wrapper> <div id=head> <div class=head_wrapper> <div class=s_form>
<div class=s_form_wrapper> <div id=lg> <img hidefocus=true src=//www.baidu.com/img/bd_logo1.png width=270 height=129> </div>
<form id=form name=f action=//www.baidu.com/s class=fm> <input type=hidden name=bdorz_come value=1>
<input type=hidden name=ie value=utf-8> <input type=hidden name=f value=8>
<input type=hidden name=rsv_bp value=1> <input type=hidden name=rsv_idx value=1>
<input type=hidden name=tn value=baidu><span class="bg s_ipt_wr"><input id=kw name=wd class=s_ipt value maxlength=255 autocomplete=off autofocus>
</span><span class="bg s_btn_wr"><input type=submit id=su value=????o|?????? class="bg s_btn"></span> </form>
</div> </div> <div id=u1> <a href=http://news.baidu.com name=tj_trnews class=mnav>??°é??</a>
<a href=http://www.hao123.com name=tj_trhao123 class=mnav>hao123</a>
<a href=http://map.baidu.com name=tj_trmap class=mnav>??°???</a> <a href=http://v.baidu.com name=tj_trvideo class=mnav>è§?é￠?</a>
<a href=http://tieba.baidu.com name=tj_trtieba class=mnav>è′′??§</a>
<noscript> <a href=http://www.baidu.com/bdorz/login.gif?login&tpl=mn&u=http%3A%2F%2Fwww.baidu.com%2f%3fbdorz_come%3d1 name=tj_login class=lb>??????</a>
</noscript> <script>document.write(‘<a href="http://www.baidu.com/bdorz/login.gif?login&tpl=mn&u=‘+ encodeURIComponent(window.location.href+ (window.location.search === "" ? "?" : "&")+ "bdorz_come=1")+ ‘" name="tj_login" class="lb">??????</a>‘);</script> <a href=//www.baidu.com/more/ name=tj_briicon class=bri style="display: block;">??′?¤??o§???</a> </div> </div> </div> <div id=ftCon> <div id=ftConw> <p id=lh> <a href=http://home.baidu.com>??3?o?????o|</a> <a href=http://ir.baidu.com>About Baidu</a> </p> <p id=cp>?2017Baidu<a href=http://www.baidu.com/duty/>?????¨????o|??????èˉ?</a> <a href=http://jianyi.baidu.com/ class=cp-feedback>???è§????é|?</a>?o?ICPèˉ?030173??· <img src=//www.baidu.com/img/gs.gif> </p> </div> </div> </div> </body> </html>
返回页面的所有代码
PYTHON之爬虫学习（一）基础
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