接上一篇：js 选择图片并在页面预览（以base64形式）pythonimport base64from flask import request# 接收图片img_upload = request.files.get("img_upload")# 判断是否接收到图片if img_upload:# 读取图片image_string = base64.b64encode(img_upload.rea

pythonimport datetimeinput_date = "2021-04-07"# str转datetimeinput_date_datetime = datetime.date(*map(int, input_date.split('-')))# 当日最小时间戳min_input_date_datetime = datetime.datetime.combine(input_date