前言你好呀，我是小邹。昨天给大家分享了PDF文件添加水印后保存，今天再来聊一聊如何实现印章、签名。“Talk is cheap，show me the code.”效果实现① 添加相关依赖<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</arti
Recently, we showed you how to add a watermark to a document in Word 2013. You can also add a watermark to worksheets in Excel 2013; however, you must add them manually using the header and foote
给微软office文档添加水印水印的工具Apache POI：一个java的库，Apache POI - the Java API for Microsoft DocumentsOpen XML SDK：C#库，GitHub - OfficeDev/Open-XML-SDK: Open XML SDK by MicrosoftFree Spire.Office for Javahttps://ww
