Flying9001/javaExcel

javaExcel

read and write Excel file by Java, includes .xls and .xlsx; Java Excel export;
Java Excel processing based on Apache POI

java 读写 Excel 文件,包括 .xls 和 .xlsx 文件; Java Excel 文件导出; java 基于
Apache POI 的 Excel 文件处理工具
Apache POI document: https://poi.apache.org/spreadsheet/quick-guide.html

依赖(Denpency)

<!--poi is for Microsoft Excel 97 (-2003),poi-ooxml is for Microsoft Excel XML (2007+)-->
<dependency>
  <groupId>org.apache.poi</groupId>
  <artifactId>poi</artifactId>
  <version>3.17</version>
</dependency>
<dependency>
  <groupId>org.apache.poi</groupId>
  <artifactId>poi-ooxml</artifactId>
  <version>3.17</version>
</dependency>

功能(Function)

read

read local Excel file, and return result by list
the program has progressed the blank cell and blank row of the Excel file
the result of iterating the Excel is List<String[][]>,and the String[][] is
a relular Two-dimensional array,it maybe has blank lines.
Demo: com.ljq.utils.ExcelUtilTest

write

create local Excel file and write data to it
the exported Excel file path must be an the only valid ,it can't be null,or a
directory,or an exist file,and it must be ended with ".xls" or ".xlsx"

读取

读取本地 Excel文件,并通过 List 集合返回
程序中包含对空白单元格、空白行的处理
返回结果为:List<String[][]>,String[][] 是一个规则的二维数组,其中可能包含空白行,
关于返回结果的处理可以参考 test部分(com.ljq.utils.ExcelUtilTest)

写入/导出

创建本地 Excel 文件,并将数据写入
所指定创建的 Excel 文件的路径必须是唯一的有效的,不能为空,不能是目录(文件夹),不能是已经
存在的文件,必须以 .xls 或者 .xlsx 结尾

Flying9001 / javaExcel