fromopenpyxl.drawing.imageimportImage fromflaskimportFlask, send_file, request importbase64 importio fromioimportBytesIO fromPILimportImage as PillowImage importmath app=Flask(__name__) @app.route('/download-excel', methods=['POST']) defdownload_excel(): base64_swdt=request.form.get('base64'...
file = request.files.get("file") if not username: return False if file and allowed_file(file.filename): # 用户名作为文件名称存储 filename = secure_filename(username) + "." + file.filename.split('.')[1] # flask-config 配置 UPLOAD_DIR存放地址 file.save(os.path.join(current_app.con...
app=Flask(__name__)@app.route('/generate_image')defgenerate_image():img=Image.new('RGB',(100,100),color='red')img_io=io.BytesIO()img.save(img_io,'PNG')img_io.seek(0)returnsend_file(img_io,mimetype='image/png',as_attachment=True,download_name='generated_image.png')if__name_...
# 打开uwsgi.ini配置文件,在文件里面添加一行内容: wsgi-disable-file-wrapper=true 文章解释: I have a Flask app that returns an in-memory bytes buffer (io.Bytesio) using Flasksend_filefunction. The app is deployed usinguWSGIbehind Nginx. This was working fine with Python 3.4. Note thatuWSGI2.0...
from io import BytesIOfrom docx.opc.exceptions import PackageNotFoundError # 导入 PackageNotFoundErrorapp = Flask(__name__)# 设置文件上传和Markdown文件的保存目录app.config['UPLOAD_FOLDER'] = 'static/uploads/'app.config['MARKDOWN_FOLDER'] = 'static/markdowns/'app.config['ALLOWED_EXTENSIONS'...
上面的代码为生成FPDF对象二进制流的主要代码,通过flask的send_file()方法验证如下: @app.route('/download')defdownload_file():returnsend_file(gen_pdf_bytes_io("Hello World"), mimetype='application/pdf') 如下图所示,可以看到以上方法成功生成了PDF二进制流。
但可以通过:img.convert("RGBA”)能得到一个PIL.Image.Image对象我想请教:1.如何把这个Image对象,通过流读出来。2.如何把这个流通过flask写给请求者。
(Flask-0.10.1 installed via pip) I've tried to handle uploaded files like this. f = flask.request.files [input_name] stream = f.stream # then use the stream. But it's confusing that in some cases stream is a BytesIO instance, but also a chance to be a file object. I've ...
Filename may be a :class:`~os.PathLike` object. .. versionadded:: 1.1 Partial content supports :class:`~io.BytesIO`. :param filename_or_fp: the filename of the file to send. This is relative to the :attr:`~Flask.root_path` ...
通过使用Flask的send_file函数,可以轻松地将文件作为响应发送给客户端。 使用as_attachment=True参数可以确保文件作为附件进行下载,而不是在浏览器中打开。 如果需要发送动态生成的文件,可以使用BytesIO或StringIO来创建临时文件并将其发送。 推荐的腾讯云相关产品和产品介绍链接地址: 腾讯云对象存储(COS):https://cloud...