POI导入工具类

前言

导入的通用方法，包括xls、xlsx的取值方法，非空判断方法，空行判断，处理了手机号读取和日期读取格式问题。这几个方法就可以完成简单读取了，有时间我在优化下。

maven依赖

<!-- POI -->
<dependency>
	<groupId>org.apache.poi</groupId>
	<artifactId>poi-ooxml</artifactId>
	<version>3.9</version>
</dependency>

导入工具类

package cc.vvxtoys.poi;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;

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

public class ImportExcelUtils {
	public static final String EXCEL_2003 = ".xls";
	public static final String EXCEL_2007 = ".xlsx";

	@SuppressWarnings("static-access")
	public  String getValue(XSSFCell cell) {
		if (cell.getCellType() == cell.CELL_TYPE_BOOLEAN) {
			return String.valueOf(cell.getBooleanCellValue()).trim();
		} else if (cell.getCellType() == cell.CELL_TYPE_NUMERIC) {
			if (HSSFDateUtil.isCellDateFormatted(cell)) {
				SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
				return String.valueOf(sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue()))).trim();
			}
			BigDecimal bd = new BigDecimal(String.valueOf(cell.getNumericCellValue()).trim());
			return bd.toPlainString();
		} else {
			return String.valueOf(cell.getStringCellValue()).trim();
		}
	}

	@SuppressWarnings("static-access")
	public  String getValue(HSSFCell cell) {
		if (cell.getCellType() == cell.CELL_TYPE_BOOLEAN) {
			return String.valueOf(cell.getBooleanCellValue()).trim();
		} else if (cell.getCellType() == cell.CELL_TYPE_NUMERIC) {
			if (HSSFDateUtil.isCellDateFormatted(cell)) {
				SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
				return String.valueOf(sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue()))).trim();
			}
			BigDecimal bd = new BigDecimal(String.valueOf(cell.getNumericCellValue()).trim());
			return bd.toPlainString();
		} else {
			return String.valueOf(cell.getStringCellValue()).trim();
		}
	}
	//判断空行
	public  boolean isBlank(Row row){
		for(int i=0;i<row.getLastCellNum();i++){
			Cell cell =  row.getCell(i);
			if(cell!=null&&cell.getCellType()!=cell.CELL_TYPE_BLANK){
				return false;
			}
		}
		return true;
	}
    //非空判断
	public boolean isEmpty(Object obj){
		if (obj instanceof HSSFCell) {
			HSSFCell cell = (HSSFCell) obj;
			return getValue(cell) == null || "".equals(getValue(cell));
		}
		if (obj instanceof XSSFCell) {
			XSSFCell cell = (XSSFCell) obj;
			return getValue(cell) == null || "".equals(getValue(cell));
		}
		return obj == null || obj.toString().trim().equals("");
	}

}