直接贴代码:
package jp.co.misumi.mdm.batch.common.jobrunner;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.util.Date;import org.apache.poi.openxml4j.exceptions.InvalidFormatException;import org.apache.poi.openxml4j.opc.OPCPackage;import org.apache.poi.ss.usermodel.Cell;import org.apache.poi.ss.usermodel.CellStyle;import org.apache.poi.ss.usermodel.Row;import org.apache.poi.xssf.streaming.SXSSFSheet;import org.apache.poi.xssf.streaming.SXSSFWorkbook;import org.apache.poi.xssf.usermodel.XSSFWorkbook;public class Demo16{ public static void main(String[] args) throws InvalidFormatException { FileOutputStream out = null; OPCPackage pkg; // TODO Auto-generated method stub XSSFWorkbook wbTemplate; try { pkg = OPCPackage.open(new File("F:/code/mdm-batch/target/classes/template/excel/TP.xlsx")); wbTemplate = new XSSFWorkbook(pkg); SXSSFWorkbook writeWB = new SXSSFWorkbook(wbTemplate, 5000, true, true); SXSSFSheet writeSheet = writeWB.getSheet("ProductMST"); // Workbook writeWB = new SXSSFWorkbook(500); //org.apache.poi.ss.usermodel.Sheet writeSheet = writeWB.createSheet("1"); System.out.println(String.valueOf(new Date())); try { Thread.sleep(5000); } catch (Exception e) { // TODO: handle exception } for (int i=101; i<500000;i++) { System.out.println(String.valueOf(i)); Row writeRow = writeSheet.createRow(i); for (int j = 32; j < 100; j++) { Cell cell = writeRow.createCell(j); //cell.setCellValue("Hello"); cell.setCellValue(j+"Hello"+i); cell.setCellValue(j+"Hello"); /* CellStyle cellStyle = cell.getCellStyle(); cellStyle.setBorderBottom(CellStyle.BORDER_THIN); cellStyle.setBorderTop(CellStyle.BORDER_THIN); cellStyle.setBorderLeft(CellStyle.BORDER_THIN); cellStyle.setBorderRight(CellStyle.BORDER_THIN); cell.setCellStyle(cellStyle);*/ } } System.out.println(String.valueOf(new Date())); File file = new File("F:/code/mdm-batch/target/classes/template/excel/6666666666666555.xlsx"); out = new FileOutputStream(file); writeWB.write(out); out.flush(); out.close(); System.out.println("测试成功!"); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } }}