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Flaskformdata上傳多個文件
Flask 中 formdata 上傳多個文件
在 Flask 中,我們可以使用 request.files 來獲取上傳的文件,當(dāng)用戶通過表單上傳多個文件時,這些文件會以列表的形式存儲在 request.files 中,下面是一個詳細(xì)的教程,包括小標(biāo)題和單元表格。

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準(zhǔn)備工作
1、安裝 Flask:確保已經(jīng)安裝了 Flask,如果沒有安裝,可以使用以下命令安裝:
pip install Flask
2、創(chuàng)建一個簡單的 HTML 表單,用于上傳多個文件:
文件上傳
Flask 后端處理文件上傳
1、創(chuàng)建一個簡單的 Flask 應(yīng)用:
from flask import Flask, request, render_template_string import os app = Flask(__name__)
2、定義一個路由,用于處理文件上傳請求:
@app.route('/upload', methods=['POST'])
def upload_files():
file1 = request.files['file1'] # 獲取第一個文件對象列表
file2 = request.files['file2'] # 獲取第二個文件對象列表
return 'Files uploaded successfully'
3、遍歷文件對象列表,將文件保存到指定目錄:
def save_files(file_list):
for file in file_list:
if file: # 確保文件對象不為空
filename = secure_filename(file.filename) # 對文件名進(jìn)行安全處理,防止包含非法字符
file.save(os.path.join('uploads', filename)) # 將文件保存到 uploads 目錄下
4、調(diào)用 save_files 函數(shù),處理上傳的文件:
if __name__ == '__main__':
app.run(debug=True)
完整代碼示例
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'] # 獲取第一個文件對象列表
file2 = request.files['file2'] # 獲取第二個文件對象列表
save_files(file1) # 保存第一個文件列表中的文件到指定目錄(如:uploads)
save_files(file2) # 保存第二個文件列表中的文件到指定目錄(如:uploads)
return 'Files uploaded successfully'
def save_files(file_list):
for file in file_list:
if file: # 確保文件對象不為空
filename = secure_filename(file.filename) # 對文件名進(jìn)行安全處理,防止包含非法字符
file.save(os.path.join('uploads', filename)) # 將文件保存到 uploads 目錄下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
新聞名稱:Flaskformdata上傳多個文件
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