Example usage of urlencode () method in python crawler

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Description

1. Urlencode () is very useful when building GET request parameters.

2. In order to build parameters more easily, it will be expressed in a dictionary in advance. When converted to the URL parameter, simply call urlencode ().

Example

From urllib.parse import urlencode params = {'name':' germey', 'age': 22} base_url =' http://www.baidu.com?'url = base_url + urlencode (params) print (url)

A dictionary is declared to represent the parameters, and then the urlencode () method is called to serialize it into GET request parameters.

The running results are as follows:

Http://www.baidu.com?name=germey&age=22

Parameter successfully changed from dictionary type to GET request parameter.

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