Question

我需要从客户端向服务器发送wave文件，在服务器端接收文件进行一些处理并将其转换为文本文件，然后将文本文件发送回服务器。我不应该使用套接字。我是python的新手，我对如何完成任务知之甚少。我在客户端使用了这段代码：

import os
# We'll render HTML templates and access data sent by POST
# using the request object from flask. Redirect and url_for
# will be used to redirect the user once the upload is done
# and send_from_directory will help us to send/show on the
# browser the file that the user just uploaded
from flask import Flask, render_template, request, redirect, url_for, send_from_directory
from werkzeug import secure_filename

# Initialize the Flask application
app = Flask(__name__)

# This is the path to the upload directory
app.config['UPLOAD_FOLDER'] = 'uploads/'
# These are the extension that we are accepting to be uploaded
app.config['ALLOWED_EXTENSIONS'] = set(['txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif', 'wav'])

# For a given file, return whether it's an allowed type or not
def allowed_file(test):
    return '.' in filename and \
           filename.rsplit('.', 1)[1] in app.config['ALLOWED_EXTENSIONS']

# This route will show a form to perform an AJAX request
# jQuery is loaded to execute the request and update the
# value of the operation
@app.route('/')
def index():
    return render_template('index.html')


# Route that will process the file upload
@app.route('/upload', methods=['POST'])
def upload():
    # Get the name of the uploaded file
    file = request.files['file']
    # Check if the file is one of the allowed types/extensions
    if file and allowed_file(file.filename):
        # Make the filename safe, remove unsupported chars
        filename = secure_filename(file.filename)
        # Move the file form the temporal folder to
        # the upload folder we setup
        file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
        # Redirect the user to the uploaded_file route, which
        # will basicaly show on the browser the uploaded file
        return redirect(url_for('uploaded_file',
                                filename=filename))

# This route is expecting a parameter containing the name
# of a file. Then it will locate that file on the upload
# directory and show it on the browser, so if the user uploads
# an image, that image is going to be show after the upload
@app.route('/uploads/<filename>')
def uploaded_file(filename):
    return send_from_directory(app.config['UPLOAD_FOLDER'],
                               filename)

if __name__ == '__main__':
    app.run(
        host="0.0.0.0",
        port=int("80"),
        debug=True
    )

我不确定是否要将主机从“0.0.0.0”更改为服务器的IP地址？这段代码足以从客户端发送wave文件吗？如何在服务器端接收文件？任何人都可以帮忙吗？

Answer 1

在服务器端，您可以使用关联数组$_FILES接收文件。然后，您必须移动上载的文件，然后您可以将其处理为文本文件。

我需要从客户端向服务器发送wave文件，在服务器端接收文件进行一些处理并将其转换为文本文件，然后将文本文件发送回服务器。

我认为你的意思是

[...]然后将文本文件发送回客户端

要做到这一点，你只需在Python中打开url作为发送文件的标题，它将被处理为文本，然后在网页上打印文本。使用Python，您可以将整个页面读成字符串并完成。

伪代码：

wav_to_text = openurl("http://www.example.com/wav_to_text.php", file="files/example.wav")

text = wav_to_text.readpage()

print(text)

# ... Do what you want with the text

使用python将wave文件从客户端上传到服务器

1 个答案: