POI操作excel官方指导

 

1、poi依赖

<!-- apache poi -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>3.8-beta3</version>
        </dependency>
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml</artifactId>
            <version>3.8-beta3</version>
        </dependency>

Maven仓库查找：http://search.maven.org/#browse

2、官方指导文档

http://poi.apache.org/spreadsheet/quick-guide.html#MergedCells