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Articles by import junit.framework.Assert

JAVA 导出报表 大数据量 sxssfworkbook的使用

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By import org.apache.poi.ss.usermodel.Cell, import org.apache.poi.ss.usermodel.Row, import org.apache.poi.ss.usermodel.Sheet, import junit.framework.Assert
| CSDN
sxssfworkbook 之前报表导出使用得是XSSFWorkbook 但是导出数据量过大的时候经常出现OOM，现在发现使用sxssfworkbook 减少内存压力 官网是这样介绍的： SXSSF (package: org.apache.poi.xssf.streaming) is an API-compatible streaming extension of XSSF to be used when very large spreadsheets have to be produced, and heap space is limited. SXSSF achieves its low memory footprint by limiting access to the rows that are within a sliding window, while XSSF gives access to all rows in the document.
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