最简单的方式

>>> url = 'http://httpbin.org/post'
>>> files = {'file': open('report.xls', 'rb')} >>> r = requests.post(url, files=files) >>> r.text { ... "files": { "file": "<censored...binary...data>" }, ... } 

你可以显式地设置文件名,文件类型和请求头:

>>> url = 'http://httpbin.org/post'
>>> files = {'file': ('report.xls', open('report.xls', 'rb'), 'application/vnd.ms-excel', {'Expires': '0'})} >>> r = requests.post(url, files=files) >>> r.text { ... "files": { "file": "<censored...binary...data>" }, ... }