可获取某历史时间段内的天气情况，包括当天的主要信息以及每个小时的气候变化。异步获取、进度显示，列出获取日志。使用Access数据库，获取结果生成Excel文档.-May obtain a certain historical time period of the weather conditions, including the main message of the day and every hour of the climate change. Asynchronous acquisiti

显示平滑的进度条 对进度条的优化 使开发的程序界面美化-Smooth progress bar shows the progress bar on the optimization of the program interface allows developers to beautify the