web上传文件

client.py

import urllib.request
import os

url = "http://127.0.0.1:5000/upload"
fileName = input("Enter the file:")
if os.path.exists(fileName):
    fobj = open(fileName, "rb")
    data = fobj.read()
    fobj.close()
    p = fileName.rfind("\\")
    fileName = fileName[p+1:]
    print("准备上传:" + fileName)
    headers = {'content-type': 'application/octet-stream'}
    # 二进制数据流
    purl = url + "?fileName=" + urllib.parse.quote(fileName)
    req = urllib.request.Request(purl, data, headers)
    msg = urllib.request.urlopen(req)
    msg = msg.read().decode()
    if msg == "OK":
        print("成功上传:", len(data), "字节")
    else:
        print(msg)
else:
    print("文件不存在!!!")

serve.py

import flask
# 引入操作系统的一个包
# web上传文件 一般上传二进制文件
app = flask.Flask(__name__)

@app.route("/upload", methods=['get', 'post'])
def uploadFile():
    msg = ""
    try:
        fileName = flask.request.values.get("fileName")
        if "fileName" in flask.request.values:

            data = flask.request.get_data()
            fobj = open("upload " + fileName, "wb")
            fobj.write(data)
            fobj.close()
            msg = "OK"
        else:
            msg = "没有按照要求上传文件"
    except Exception as err:
        print(err)
        msg = str(err)
    return msg

if __name__ == "__main__":
    app.run()

运行时输入: 图像.jpg

运行后的文件夹为：