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使用Python爬蟲庫(kù)requests發(fā)送表單數(shù)據(jù)和JSON數(shù)據(jù)

發(fā)布時(shí)間：2020-08-22 16:32:30 來(lái)源：腳本之家 閱讀：193 作者：BQW_ 欄目：開發(fā)技術(shù)

導(dǎo)入Python爬蟲庫(kù)Requests

import requests

一、發(fā)送表單數(shù)據(jù)

要發(fā)送表單數(shù)據(jù)，只需要將一個(gè)字典傳遞給參數(shù)data

payload = {'key1': 'value1', 'key2': 'value2'}
r = requests.post("http://httpbin.org/post", data=payload)
print(r.text)
{"args":{},"data":"","files":{},"form":{"key1":"value1","key2":"value2"},"headers":{"Accept":"*/*","Accept-Encoding":"gzip, deflate","Connection":"close","Content-Length":"23","Content-Type":"application/x-www-form-urlencoded","Host":"httpbin.org","User-Agent":"python-requests/2.14.2"},"json":null,"origin":"110.18.198.88","url":"http://httpbin.org/post"}

也可以將一個(gè)元組列表傳遞給參數(shù)data，這樣可以實(shí)現(xiàn)多個(gè)value對(duì)應(yīng)一個(gè)key的情況(字典的key必須唯一)

payload = (('key1', 'value1'), ('key1', 'value2'))
r = requests.post('http://httpbin.org/post', data=payload)
print(r.text)
{"args":{},"data":"","files":{},"form":{"key1":["value1","value2"]},"headers":{"Accept":"*/*","Accept-Encoding":"gzip, deflate","Connection":"close","Content-Length":"23","Content-Type":"application/x-www-form-urlencoded","Host":"httpbin.org","User-Agent":"python-requests/2.14.2"},"json":null,"origin":"110.18.198.88","url":"http://httpbin.org/post"}

二、發(fā)送字符串(JSON)數(shù)據(jù)

將json字符串傳遞給參數(shù)data

import json
url = 'https://api.github.com/some/endpoint'
payload = {'some': 'data'}
r = requests.post(url, data=json.dumps(payload))

將字典傳遞給參數(shù)json

url = 'https://api.github.com/some/endpoint'
payload = {'some': 'data'}
r = requests.post(url,json=payload)

更多關(guān)于Python爬蟲庫(kù)requests的使用方法請(qǐng)查看下面的相關(guān)鏈接

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