Python使用Flask框架同时上传多个文件的方法,flask框架和django

来源:未知 浏览 129次 时间 2021-06-10 21:39

下面的演示代码带有详细的html页面和python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 uploadedfrom flask import Flask, render_template, request, redirect, url_for, send_from_directoryfrom werkzeug import secure_filename# Initialize the Flask applicationapp = Flask(__name__)# This is the path to the upload directoryapp.config['UPLOAD_FOLDER'] = 'uploads/'# These are the extension that we are accepting to be uploadedapp.config['ALLOWED_EXTENSIONS'] = set(['txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif'])# For a given file, return whether it's an allowed type or notdef allowed_file(filename): 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('http://www.qhdseo.net/')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 files uploaded_files = request.files.getlist("file[]") filenames = [] for file in uploaded_files: # 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)) # Save the filename into a list, we'll use it later filenames.append(filename) # Redirect the user to the uploaded_file route, which # will basicaly show on the browser the uploaded file # Load an html page with a link to each uploaded file return render_template('upload.html', filenames=filenames) # 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 )

index.html代码

Python使用Flask框架同时上传多个文件的方法

!DOCTYPE htmlhtml lang="en" head link href="bootstrap/3.0.0/css/bootstrap.min.css" /head body div div h3Uploaded files/h3 /div hr/ div This is a list of the files you just uploaded, click on them to load/download them ul {% for file in filenames %} lia href="{{url_for('uploaded_file', filename=file)}}"{{file}}/a/li {% endfor %} /ul /div div h3Code to manage a Upload/h3 /div hr/ pre@app.route('/upload', methods=['POST'])def upload(): # Get the name of the uploaded file #file = request.files['file'] uploaded_files = request.files.getlist("file[]") filenames = [] for file in uploaded_files: # 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)) filenames.append(filename) # Redirect the user to the uploaded_file route, which # will basicaly show on the browser the uploaded file # Load an html page with a link to each uploaded file return render_template('upload.html', filenames=filenames)/pre /div /div /body/html

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下面的演示代码带有详细的html页面和python代码

Python使用Flask框架同时上传多个文件的方法

!DOCTYPE htmlhtml lang="en" head link href="bootstrap/3.0.0/css/bootstrap.min.css" /head body div div h3How To Upload a File./h3 /div hr/ div form action="upload" method="post" enctype="multipart/form-data" input type="file" multiple="" /br/ input type="submit" value="Upload" /form /div /div /body/html

upload.html页面:

标签: filenamethefileuploaded