Flask 文件上传，删除上传的文件

目录结构

app.py

from flask import Flask, request, render_template, redirect, url_for
import os

app = Flask(__name__)
BASE_DIR = os.getcwd()
UPLOAD_FOLDER = os.path.join(BASE_DIR, 'testfile')

@app.route('/')
def home():
    files = os.listdir(UPLOAD_FOLDER)
    return render_template('index.html', files=files)

@app.route('/upload', methods=['POST'])
def upload_file():
    file = request.files['file']
    file.save(os.path.join(UPLOAD_FOLDER, file.filename))
    return redirect(url_for('home'))

@app.route('/delete/<filename>', methods=['POST'])
def delete_file(filename):
    os.remove(os.path.join(UPLOAD_FOLDER, filename))
    return redirect(url_for('home'))



if __name__ == "__main__":
    if not os.path.exists(UPLOAD_FOLDER):
        os.makedirs(UPLOAD_FOLDER)
    app.run(debug=True)

templates / index.html

<!DOCTYPE html>
<html>
<head>
    <title>File Manager</title>
</head>
<body>
    <h1>File Manager</h1>

    <h2>Upload a file:</h2>
    <form action="/upload" method="post" enctype="multipart/form-data">
        <input type="file" name="file">
        <input type="submit" value="Upload">
    </form>

    <h2>Files:</h2>
    <ul>
        {% for file in files %}
            <li>
                {{ file }}
                <form action="/delete/{{ file }}" method="post">
                    <input type="submit" value="Delete">
                </form>

            </li>
        {% endfor %}
    </ul>
</body>
</html>

效果图