在 Flask 中,我们可以使用 request.files 来获取上传的文件,当用户通过表单上传多个文件时,这些文件会以列表的形式存储在 request.files 中,下面是一个详细的教程,包括小标题和单元表格。

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1、安装 Flask:确保已经安装了 Flask,如果没有安装,可以使用以下命令安装:
pip install Flask
2、创建一个简单的 HTML 表单,用于上传多个文件:
文件上传
1、创建一个简单的 Flask 应用:
from flask import Flask, request, render_template_string import os app = Flask(__name__)
2、定义一个路由,用于处理文件上传请求:
@app.route('/upload', methods=['POST'])
def upload_files():
file1 = request.files['file1'] # 获取第一个文件对象列表
file2 = request.files['file2'] # 获取第二个文件对象列表
return 'Files uploaded successfully'
3、遍历文件对象列表,将文件保存到指定目录:
def save_files(file_list):
for file in file_list:
if file: # 确保文件对象不为空
filename = secure_filename(file.filename) # 对文件名进行安全处理,防止包含非法字符
file.save(os.path.join('uploads', filename)) # 将文件保存到 uploads 目录下
4、调用 save_files 函数,处理上传的文件:
if __name__ == '__main__':
app.run(debug=True)
from flask import Flask, request, render_template_string, redirect, url_for, flash, send_from_directory, make_response, jsonify, session, g, render_template, escape, request, Response, stream_with_context, send_file, current_app as app, abort, jsonify, make_response, flash, redirect, url_for, render_template_string, send_from_directory, render_template_string, get_flashed_messages, after_request, before_request, request_started, url_for, get_current_url, request_method, request_args, get_jsonify, jsonify, request_context, has_request_context, request_started, url_for, get_current_url, request_method, request_args, get_jsonify, jsonify, request_context, has_request_context, request_started, url_for, get_current_url, request_method, request_args, get_jsonify, jsonify, request_context, has_request_context, request_started, url_for, get_current_url, request_method, request_args, get_jsonify, jsonify, request_context, has_request_context, request_started, url_for, get_current_url, request_method, request_args, get_jsonify, jsonify, request_context, has_request_context
from werkzeug.utils import secure_filename
import os
from flask import Flask, request, render_template_string
import os
app = Flask(__name__)
@app.route('/upload', methods=['POST'])
def upload_files():
file1 = request.files['file1'] # 获取第一个文件对象列表
file2 = request.files['file2'] # 获取第二个文件对象列表
save_files(file1) # 保存第一个文件列表中的文件到指定目录(如:uploads)
save_files(file2) # 保存第二个文件列表中的文件到指定目录(如:uploads)
return 'Files uploaded successfully'
def save_files(file_list):
for file in file_list:
if file: # 确保文件对象不为空
filename = secure_filename(file.filename) # 对文件名进行安全处理,防止包含非法字符
file.save(os.path.join('uploads', filename)) # 将文件保存到 uploads 目录下if __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app.run(debug=True)else:passif __name__ == '__main__':app