本文转自:http://stackoverflow.com/questions/11953214/excel-how-to-lock-cell-without-using-macros-if-possible You can prevent a user entering new data using only Data Validation EDIT: use formula in list Thanks to Head of Catering's comment, it is worth r…
here give a solution for excel file change the excel configuration these: Set Excel file path in current project location: ${projectDir}//Projectname//your excel file name Excel Worksheet,Start at cell,Ignore Empty:…
on my god,写20万数据到Excel只需9秒 还是菜鸟时,在某个.Net项目中,用户需要从业务系统导出Report,而数据量通常都在上万条以上,最初采用的方式就是在服务器端用NPOI生成Excel,把Data一行一行一个Cell一个Cell地写到Excel中的每个Cell中,若用户对Report格式要求高一点,还要一个Cell一个Cell设置单元格的Style,然后把Report给用户下载.结果上万条的数据用户导出需要几十分钟.这样导出Report,是个人都要crazy了.....…
1.POI是什么 Apache POI - the Java API for Microsoft Documents,顾名思义,Apache的三方包,用来操作微软office文档的,多数时候用来操作excel,所以这里就以excel方面来说明. 需要引入两个包,maven地址如下(version 3.9): <!-- https://mvnrepository.com/artifact/org.apache.poi/poi --> <dependency> <groupId&…