Python使用requests发送POST请求实例代码

url = 'http://httpbin.org/post'
d = {'key1': 'value1', 'key2': 'value2'}
r = requests.post(url, data=d)
print r.text

{ 
“args”: {}, 
“data”: “”, 
“files”: {}, 
“form”: { 
“key1”: “value1”, 
“key2”: “value2” 
}, 
“headers”: { 
…… 
“Content-Type”: “application/x-www-form-urlencoded”, 
…… 
}, 
“json”: null, 
…… 
}

url = 'http://httpbin.org/post'
s = json.dumps({'key1': 'value1', 'key2': 'value2'})
r = requests.post(url, data=s)
print r.text

{ 
“args”: {}, 
“data”: “{\”key2\”: \”value2\”, \”key1\”: \”value1\”}”, 
“files”: {}, 
“form”: {}, 
“headers”: { 
…… 
“Content-Type”: “application/json”, 
…… 
}, 
“json”: { 
“key1”: “value1”, 
“key2”: “value2” 
}, 
…… 
}

url = 'http://httpbin.org/post'
files = {'file': open('report.txt', 'rb')}
r = requests.post(url, files=files)
print r.text

{ 
“args”: {}, 
“data”: “”, 
“files”: { 
“file”: “Hello world!” 
}, 
“form”: {}, 
“headers”: {…… 
“Content-Type”: “multipart/form-data; boundary=467e443f4c3d403c8559e2ebd009bf4a”, 
…… 
}, 
“json”: null, 
……