本文實例為大家分享了python3-flask文件上傳操作的具體代碼，供大家參考，具體內容如下
# -*- coding: utf-8 -*-import osimport uuidimport platformfrom flask import Flask,request,redirect,url_forfrom werkzeug.utils import secure_filenameif platform.system() == "Windows": slash = '//'else: platform.system()=="Linux" slash = '/'UPLOAD_FOLDER = 'upload'ALLOW_EXTENSIONS = set(['html', 'htm', 'doc', 'docx', 'mht', 'pdf'])app = Flask(__name__)app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER#判斷文件夾是否存在，如果不存在則創建if not os.path.exists(UPLOAD_FOLDER): os.makedirs(UPLOAD_FOLDER)else: pass# 判斷文件后綴是否在列表中def allowed_file(filename): return '.' in filename and / filename.rsplit('.', 1)[1] in ALLOW_EXTENSIONS@app.route('/',methods=['GET','POST'])def upload_file(): if request.method =='POST': #獲取post過來的文件名稱，從name=file參數中獲取 file = request.files['file'] if file and allowed_file(file.filename): # secure_filename方法會去掉文件名中的中文 filename = secure_filename(file.filename) #因為上次的文件可能有重名，因此使用uuid保存文件 file_name = str(uuid.uuid4()) + '.' + filename.rsplit('.', 1)[1] file.save(os.path.join(app.config['UPLOAD_FOLDER'],file_name)) base_path = os.getcwd() file_path = base_path + slash + app.config['UPLOAD_FOLDER'] + slash + file_name print(file_path) return redirect(url_for('upload_file',filename = file_name)) 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> '''if __name__ == "__main__": app.run(host='0.0.0.0',port=5000)以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持VEVB武林網。
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