Flask 文件上传,flask文件上传,import osfro


import osfrom flask import Flask, request, redirect, url_forfrom werkzeug import secure_filenameUPLOAD_FOLDER = '/tmp/'ALLOWED_EXTENSIONS = set(['txt'])app = Flask(__name__)app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDERdef allowed_file(filename):    return '.' in filename and \           filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS@app.route("/", methods=['GET', 'POST'])def index():    if request.method == 'POST':        file = request.files['file']        if file and allowed_file(file.filename):            filename = secure_filename(file.filename)            file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))            return redirect(url_for('index'))    return """    <!doctype html>    <title>Upload new File</title>    <h1>Upload new File</h1>    <form action="" method=post enctype=multipart/form-data>      <p><input type=file name=file>         <input type=submit value=Upload>    </form>    <p>%s</p>    """ % "<br>".join(os.listdir(app.config['UPLOAD_FOLDER'],))if __name__ == "__main__":    app.run(host='0.0.0.0', port=5001, debug=True)

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