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Python 模块安装位置:
#python 自带模块安装位置 /usr/lib/python3.6/urllib.py ,Python自带三方模块/usr/local/lin/python3.6/site-packages
#urllib 默认的 User0Agent:python-urllib/36
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请求头信息:
Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8#可以接受的文件内容,text文本类型,文档,图片 q=权重比 Host:www.baidu.com #主机是百度 Accept-Encoding:gzip, deflate, br #客户端可以做的编解码操作,web接受的数据大可以进行压缩,表明可以gip压缩,,写爬虫不要写这行 Accept-Language:zh,zh-CN;q=0.8#客户端可以支持的语言,中文简体 Cache-Control:max-age=0#获取最大值参数 Connection:keep-alive #保存长链接,流量器不关闭,链接就一直存在 Cookie:BAIDUID=CF72B8ABA1C50F70D56631BE0677A05A:FG=1; BIDUPSID=CF72B8ABA1C50F70D56631BE0677A05A; PSTM=1499259166; BDUSS=dufldXZkU2MjdUeWpBR0locWhjem5MU2Z5R0dVWmJSbGl2dVl-MFBuZU1MbzFaTVFBQUFBJCQAAAAAAAAAAAEAAADmKAKYzPDA9dfTufu5-720YwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIyhZVmMoWVZNX; __cfduid=d99cf56b1b30362851faffb0b008f8ae51500978892; H_PS_645EC=fbeb7lruAvNXj4BROeuTSAmK9regBSCFjQHf%2BM7cu7uwb0xSBgpVdWhCOpuGHRNi6AEN; BDRCVFR[feWj1Vr5u3D]=I67x6TjHwwYf0; BD_CK_SAM=1; PSINO=5; BDORZ=B490B5EBF6F3CD402E515D22BCDA1598; BD_HOME=1; H_PS_PSSID=1439_13551_21084_17001_24093_22160; BD_UPN=12314353 #保存登入浏览器信息,爬取登入后网站需要cookie,一般用于post请求 Upgrade-Insecure-Requests:1 #升级http为https请求,报警不安全 User-Agent:Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36#浏览器客户端的版本信息 raw :#响应 TexrView:# text内容 网页源码 ImageView:#响应图片内容 webview:#浏览器怎么显示,这里怎么显示
常见响应状态码





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