使用python上传wav文件并保存到目录中

import os
from flask import Flask, request

app = Flask(__name__)

@app.route('/upload', methods=['POST'])
def upload_file():
    file = request.files['file']
    if file:
        filename = file.filename
        file.save(os.path.join('uploads', filename))
        return '文件上传成功！'
    else:
        return '未选择文件！'

if not os.path.exists('uploads'):
    os.makedirs('uploads')

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