Sheet.write(Class)写入excel信息
否则 collections为空时,excel中没u有标题
写法如: sheet.write(UserPicture.class).createRow(list);Sheet.SheetHandler.createRow(int),
会刷新数据到流,调用该方法
DrawingXmlRelsHandler.copyPictureAppendDrawingRelsXML(Sheet, Picture)
将图片刷新在磁盘中
不会占用内存空间
flushSize = -1 时不刷新流Copyright © 2022. All rights reserved.