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java poi 导入导出Excel xsl xslx
- 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 FFF {
- public static void main(String[] args) throws IOException {
- String path = "d:/";
- String fileName = "test";
- String fileType = "xlsx";
- writer(path, fileName, fileType);
- read(path, fileName, fileType);
- }
- private static void 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 static void 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();
- }
- }
- }
java poi 导入导出Excel xsl xslx
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