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涉及主要知识点:
*
web是如何交互的
*
requests库的get、post函数的应用
*
response对象的相关函数,属性
*
python文件的打开,保存
代码中给出了注释,并且可以直接运行哦
如何安装requests库(安装好python的朋友可以直接参考,没有的,建议先装一哈python环境)
windows用户,Linux用户几乎一样:
打开cmd输入以下命令即可,如果python的环境在C盘的目录,会提示权限不够,只需以管理员方式运行cmd窗口
Linux用户类似(ubantu为例): 权限不够的话在命令前加入sudo即可
1. 爬取强大的BD页面,打印页面信息
2. 常用方法之get方法实例,下面还有传参实例
3. 常用方法之post方法实例,下面还有传参实例
5. 常用方法之get方法传参实例(1)
如果需要传多个参数只需要用&符号连接即可如下:
6. 常用方法之get方法传参实例(2)
params用字典可以传多个
7. 常用方法之post方法传参实例(2) 和上一个有没有很像
8. 关于绕过反爬机制,以zh爸爸为例
因为目录关系,在D盘建立了一个叫做爬虫的文件夹,然后保存信息
注意文件保存时的encoding设置
需要爬虫资料可以加微信备注 “爬虫”