urllib包
最后更新于：2022-04-02 02:16:37
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## urllib包
> 是Python3.x中提供的一系列操作URL的库,可以模拟用户使用浏览器访问网页
### 不带请求头实例
resp = request.urlopen('http://www.baidu.com')
print(resp.read().decode('utf-8'))
### 带请求头
```
req = request.Request('http://www.baidu.com')
req.add_header("User-Agent","Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36")
resp = request.urlopen(req)
print(resp.read().decode('utf-8'))
```
### Post带参数
req = Request('http://www.thsrc.com.tw/tw/TimeTable/SearchResult')
postData = parse.urlencode([
('StartStation', '977abb69-413a-4ccf-a109-0272c24fd490'),
('EndStation', '2f940836-cedc-41ef-8e28-c2336ac8fe68'),
('SearchDate', '2017/10/06'),
('SearchTime', '17:00'),
('SearchWay', 'DepartureInMandarin')
])
req.add_header('Origin','http://www.thsrc.com.tw')
req.add_header("User-Agent","Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36")
resp = request.urlopen(req,data=postData.encode('utf-8'))
print(resp.read().decode('utf-8'))
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