问PackagePropertiesMarshaller$NamespaceImpl未使用Apache poi和Java Servlet找到

EN

import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import java.io.File;
import java.io.FileInputStream;
import java.util.Iterator;

public class ExcelParser {
    private String pathname;

    public ExcelParser(String pathname) {
        this.pathname = pathname;
    }

    public void parse() {

        try {
            FileInputStream file = new FileInputStream(new File("/Users/JohnDoe/Desktop/test.xlsx"));

            //Create Workbook instance holding reference to .xlsx file
            XSSFWorkbook workbook = new XSSFWorkbook(file);

            //Get first/desired sheet from the workbook
            XSSFSheet sheet = workbook.getSheetAt(0);

            //Iterate through each rows one by one
            Iterator<Row> rowIterator = sheet.iterator();
            while (rowIterator.hasNext()) {
                Row row = rowIterator.next();
                //For each row, iterate through all the columns
                Iterator<Cell> cellIterator = row.cellIterator();

                while (cellIterator.hasNext()) {
                    Cell cell = cellIterator.next();
                    //Check the cell type and format accordingly
                    switch (cell.getCellType()) {
                        case NUMERIC:
                            System.out.print(cell.getNumericCellValue() + "t");
                            break;
                        case STRING:
                            System.out.print(cell.getStringCellValue() + "t");
                            break;
                    }
                }
                System.out.println();
            }
            file.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}