导入所需模块 ~~~ from app.admin import admin import os from flask import Flask, request, redirect, url_for from werkzeug import secure_filename from app import app ~~~ 定义修改文件名函数 ~~~ def change_filename(filename): filename = os.path.splitext(filename) new_file = time.strftime('%Y%m%d%H%M%S', time.localtime())+str(uuid.uuid4().hex)+filename[-1] return new_file ~~~ 在配置项中添加配置 ~~~ #允许上传文件后缀名 ALLOWED_EXTENSIONS = set(['txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif']) #文件保存目录 UP_DIR = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'app/static/admin/uploads/') ~~~ 过滤不允许上传文件 ~~~ def allowed_file(filename): return '.' in filename and \ filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS ~~~ 上传方法 ~~~ @admin.route('/upload', methods=['GET', 'POST']) def upload_file(): if request.method == 'POST': file = request.files.get('file') if file and allowed_file(file.filename): filename = secure_filename(file.filename) if not os.path.exists(app.config['UP_DIR']): os.makedirs(app.config['UP_DIR'],755) filename = change_filename(filename) file.save(os.path.join(app.config['UP_DIR'], filename)) return redirect(url_for('uploaded_file', filename=filename)) ~~~