Main knowledge points involved :
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web How does it interact
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requests Library get,post Application of function
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response Object correlation function , attribute
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python File opening , preservation
Comments are given in the code , And it can run directly
How to install requests library ( Install it python My friends can refer to it directly , There is no such thing , I suggest you install it first python environment )
windows user ,Linux The users are almost the same :
open cmd Enter the following command , If python What's your environment like C The directory of the disk , It will prompt that the permission is not enough , Just run as an administrator cmd window
Linux Users are similar (ubantu take as an example ): If the permission is not enough, add it before the command sudo that will do
1. Climb the powerful BD page , Print page information
2. Common methods get Method examples , There are also examples of parameter transfer
3. Common methods post Method examples , There are also examples of parameter transfer
5. Common methods get Example of method parameter transfer (1)
If you need to transfer multiple parameters, just use & The symbolic connection is as follows :
6. Common methods get Example of method parameter transfer (2)
params It's possible to pass multiple messages in a dictionary
7. Common methods post Example of method parameter transfer (2) Is it very similar to the last one
8. On bypassing anti climbing mechanism , with zh Take dad as an example
Because of the directory relationship , stay D The disk creates a folder called crawler , Then save the information
Pay attention to the file when saving encoding set up
If you need crawler information, you can add wechat notes “ Reptile ”
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