学步园

Using SXSSF poi 3.8

package example;

import java.io.FileInputStream;
import java.io.FileOutputStream;

import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.util.CellReference;
import org.apache.poi.xssf.streaming.SXSSFSheet;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

public class SXSSFexample {


    public static void main(String[] args) throws Throwable {
        FileInputStream inputStream = new FileInputStream("mytemplate.xlsx");
        XSSFWorkbook wb_template = new XSSFWorkbook(inputStream);
        inputStream.close();

        SXSSFWorkbook wb = new SXSSFWorkbook(wb_template); 
        wb.setCompressTempFiles(true);

        SXSSFSheet sh = (SXSSFSheet) wb.getSheetAt(0);
        sh.setRandomAccessWindowSize(100);// keep 100 rows in memory, exceeding rows will be flushed to disk
    for(int rownum = 4; rownum < 100000; rownum++){
        Row row = sh.createRow(rownum);
        for(int cellnum = 0; cellnum < 10; cellnum++){
            Cell cell = row.createCell(cellnum);
            String address = new CellReference(cell).formatAsString();
            cell.setCellValue(address);
        }

    }


    FileOutputStream out = new FileOutputStream("tempsxssf.xlsx");
    wb.write(out);
    out.close();
}

}

It requires: poi-ooxml-3.8.jar, poi-3.8.jar, poi-ooxml-schemas-3.8.jar, stax-api-1.0.1.jar, xml-apis-1.0.b2.jar, xmlbeans-2.3.0.jar, commons-codec-1.5.jar, dom4j-1.6.1.jar

http://stackoverflow.com/questions/7274076/writing-a-large-resultset-to-an-excel-file-using-poi

BigExcelWriterImpl.java
package com.gdais.common.apache.poi.bigexcelwriter;

import static com.google.common.base.Preconditions.*;
import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.io.OutputStreamWriter;

import java.io.Writer;

import java.util.Enumeration;

import java.util.HashMap;

import java.util.LinkedHashMap;

import java.util.Map;

import java.util.zip.ZipEntry;

import java.util.zip.ZipFile;

import java.util.zip.ZipOutputStream;
import javax.annotation.Nonnull;

import javax.