JAVA] Excel - POI (XSSFWorkbook Example)
Por um escritor misterioso
Last updated 22 março 2025
![JAVA] Excel - POI (XSSFWorkbook Example)](https://img1.daumcdn.net/thumb/R800x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2F4Q46l%2Fbtr0favABKX%2FOepuXlCAjC0DYs6XKluar0%2Fimg.png)
POI 아파치 소프트웨어 재단에서 만든 라이브러리로 Microsoft Office 파일을 자바 언어로 읽고 쓰는 기능 제공한다. 주로 Word, Excel, Power Point 파일을 지원한다. POI라이브러리를 사용하여 Excel을 다루어보자. Workbook 종류 HSSF : Excel 2007 하위버전(.xls) 파일 포맷을 사용할 때 사용 XSSF : Excel 2007 (.xlsx) 파일 포맷을 사용할 때 사용 SXSSF : 대용량 엑셀 파일을 출력할 때 사용 XSSF, SXSSF 차이 XSSF - 읽기, 쓰기가 가능하다. - 메모리에 파일데이터를 쌓아두고 사용하기 때문에 용량이 큰 경우 Out Of Memory 에러가 발생한다. SXSSF - 쓰기만 가능하다. - 임시파일을 중간중간 생성하여..
![JAVA] Excel - POI (XSSFWorkbook Example)](https://i.stack.imgur.com/KxhRH.png)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://media.geeksforgeeks.org/wp-content/uploads/20221122131857/apachepoi.gif)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://i.stack.imgur.com/tlCEX.png)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://static.javatpoint.com/apache-poi/images/apache-poi-outlining.png)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://www.tutorialspoint.com/apache_poi/images/typesofcells.jpeg)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://www.codejava.net/images/articles/misc/excel-formulas/Excel_formula_before_update.png)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://browserstack.wpenginepowered.com/wp-content/uploads/2022/12/Screenshot-2022-12-23-at-1.54.41-PM.png)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://media.geeksforgeeks.org/wp-content/uploads/Screen-Shot-2018-09-19-at-11.47.46-AM.png)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://i0.wp.com/learn-automation.com/wp-content/uploads/2016/10/write-data-to-excel.png?fit=1392%2C761&ssl=1)
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![JAVA] Excel - POI (XSSFWorkbook Example)](http://www.testingdocs.com/wp-content/uploads/HSSFvsXSSF_POI.jpg)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://www.tutorialspoint.com/apache_poi/images/printarea.jpeg)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://myskillpoint.com/wp-content/uploads/2021/06/Apache-POI-Library-v3.png)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://poi.apache.org/components/spreadsheet/images/ss-features.png)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://i.stack.imgur.com/ilIvb.gif)
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![JAVA] Excel - POI (XSSFWorkbook Example)](https://i.ytimg.com/vi/Nget2u0iBuQ/maxresdefault.jpg)
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