Tornado文件图片上传例子

if self.request.files:
    for f in self.request.files['postfile']:
        rawname = f['filename']
        dstname = str(int(time.time()))+'.'+rawname.split('.').pop()
        thbname = "thumb_"+dstname
        # write a file
        # src = "./static/upload/src/"+dstname
        # file(src,'w+').write(f['body'])
        tf = tempfile.NamedTemporaryFile()
        tf.write(f['body'])
        tf.seek(0)

        # create normal file
        # img = Image.open(src)
        img = Image.open(tf.name)
        img.thumbnail((920,920),resample=1)
        img.save("./static/upload/postfiles/"+dstname)

        # create thumb file
        img.thumbnail((100,100),resample=1)
        img.save("./static/upload/postfiles/"+thbname)

       tf.close()