PoiUtils.java 1.73 KB
package com.bsth.service.schedule.utils;

import org.apache.poi.hssf.usermodel.HSSFDateUtil;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.xssf.usermodel.XSSFCell;

import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * POI操作的until方法。
 */
public class PoiUtils {
    /**
     * 使用poi读取cell中的值
     * @param cell
     * @return
     */
    public static String getStringValueFromCell(Cell cell) {
        SimpleDateFormat sFormat = new SimpleDateFormat("MM/dd/yyyy");
        DecimalFormat decimalFormat = new DecimalFormat("#.#");
        String cellValue = "";
        if(cell == null) {
            return cellValue;
        }
        else if(cell.getCellType() == Cell.CELL_TYPE_STRING) {
            cellValue = cell.getStringCellValue();
        }

        else if(cell.getCellType() == XSSFCell.CELL_TYPE_NUMERIC) {
            if(HSSFDateUtil.isCellDateFormatted(cell)) {
                double d = cell.getNumericCellValue();
                Date date = HSSFDateUtil.getJavaDate(d);
                cellValue = sFormat.format(date);
            }
            else {
                cellValue = decimalFormat.format((cell.getNumericCellValue()));
            }
        }
        else if(cell.getCellType() == Cell.CELL_TYPE_BLANK) {
            cellValue = "";
        }
        else if(cell.getCellType() == Cell.CELL_TYPE_BOOLEAN) {
            cellValue = String.valueOf(cell.getBooleanCellValue());
        }
        else if(cell.getCellType() == Cell.CELL_TYPE_ERROR) {
            cellValue = "";
        }
        else if(cell.getCellType() == Cell.CELL_TYPE_FORMULA) {
            cellValue = cell.getCellFormula().toString();
        }
        return cellValue;
    }
}