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我想上传和下载图像文件并使用Flask将png转换为jpg。 所以我使用PIL。我不知道上传和下载并将png转换为jpg。使用Flask上传和下载图像文件
这是代码
from flask import Flask, make_response, request
from PIL import Image
app = Flask(__name__)
def transform(pngtojpg):
pngtojpg.save('c:/photo/result_image.jpg')
return pngtojpg
@app.route('/')
def form():
return """
<html>
<body>
<h1>Transform a png to jpg</h1>
<form action="/convert" method="post" enctype="multipart/form-data">
<input type="file" name="img_file" />
<input type="submit" />
</form>
</body>
</html>
"""
@app.route('/convert', methods=["POST"])
def convert_view():
file = request.files['img_file']
if not file:
return "No file"
png = Image.open(file)
result = transform(png)
response = make_response(result)
response.headers["Content-Disposition"] = "attachment; filename=result_image.jpg"
return response
if __name__ == '__main__':
app.run(host='0.0.0.0')