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 osapp = 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