poi写入读取excel 2007版xlsx 97版xls

最新推荐文章于 2024-07-05 14:30:10 发布

翻译最新推荐文章于 2024-07-05 14:30:10 发布 · 412 阅读

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本文提供了一个使用Java进行Excel文件(xls和xlsx)读写的示例程序。该程序通过Apache POI库创建、写入并读取包含测试数据的工作表。

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package cn.com.cloud.sea.office.test;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class TestReadAndWrite {
public staticvoid main(String[] args) throws IOException {
String path = "d:/";
String fileName = "test";
String fileType = "xlsx";
writer(path, fileName, fileType);
read(path, fileName, fileType);
}
private staticvoid writer(String path, String fileName,String fileType)throws IOException {
//创建工作文档对象
Workbook wb = null;
if (fileType.equals("xls")) {
wb = new HSSFWorkbook();
}
else if(fileType.equals("xlsx"))
{
wb = new XSSFWorkbook();
}
else
{
System.out.println("您的文档格式不正确！");
}
//创建sheet对象
Sheet sheet1 = (Sheet) wb.createSheet("sheet1");
//循环写入行数据
for (int i =0; i < 5; i++) {
Row row = (Row) sheet1.createRow(i);
//循环写入列数据
for (int j =0; j < 8; j++) {
Cell cell = row.createCell(j);
cell.setCellValue("测试"+j);
}
}
//创建文件流
OutputStream stream = new FileOutputStream(path+fileName+"."+fileType);
//写入数据
wb.write(stream);
//关闭文件流
stream.close();
}
public staticvoid read(String path,String fileName,String fileType)throws IOException
{
InputStream stream = new FileInputStream(path+fileName+"."+fileType);
Workbook wb = null;
if (fileType.equals("xls")) {
wb = new HSSFWorkbook(stream);
}
else if (fileType.equals("xlsx")) {
wb = new XSSFWorkbook(stream);
}
else {
System.out.println("您输入的excel格式不正确");
}
Sheet sheet1 = wb.getSheetAt(0);
for (Row row : sheet1) {
for (Cell cell : row) {
System.out.print(cell.getStringCellValue()+" ");
}
System.out.println();
}
}
}