addMergedRegion1

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  Data → Excel 변환 Data → Excel 변환 pom.xml org.apache.poi poi-ooxml 3.17 Controller 에서 import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.util.List; import org.apache.poi.ss.usermodel.BorderStyle; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.CellStyle; import org.apache.poi.ss.usermodel.FillPatternType; .. 개발중/Spring 2021. 2. 15.