POI解析Excel,最高支持2010版本的Excel导入数据库

本文代码直接COPY就可以测试修改
POI解析Excel,(Excel上传,见<FLEX+JAVA+Servlet实现上传>写过,这篇也是在其基础上的)

package com.sddl.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

/**
 * 
 * @author TXQ
 */

public class ImportExcelUtil {

	// 导入Excel
	public List<ArrayList<ArrayList<Object>>> ImportExcel(String excelName) {
		List<ArrayList<ArrayList<Object>>> resList = new ArrayList<ArrayList<ArrayList<Object>>>();
		if (excelName.substring(excelName.lastIndexOf(".")).equals(".xls")) {
			resList = this.ImportExcel2003(excelName);
		}
		if (excelName.substring(excelName.lastIndexOf(".")).equals(".xlsx")) {
			resList = this.ImportExcel2010(excelName);
		}
		// 返回List给Dao插入数据库
		System.out.println(excelName);
		new File(excelName).delete();
		return resList;
	}

	/** 获取最长的行 cellsTotal */
	public int getCellTotal(String excelName, int sheetTotal) {
		FileInputStream ipts;
		int cellTotal = 0;
		try {
			// 2007 获得最长的行
			if (excelName.substring(excelName.lastIndexOf(".")).equals(".xls")) {
				ipts = new FileInputStream(excelName);
				HSSFWorkbook hswk = new HSSFWorkbook(ipts);
				for (int j = 0; j <=hswk.getSheetAt(sheetTotal).getLastRowNum(); j++) {
					if(null!=hswk.getSheetAt(sheetTotal).getRow(j)){
						System.out.println(hswk.getSheetAt(sheetTotal).getRow(j).getLastCellNum());
						if (hswk.getSheetAt(sheetTotal).getRow(j).getLastCellNum() > cellTotal) {
							cellTotal = hswk.getSheetAt(sheetTotal).getRow(j)
									.getLastCellNum();
						}
					}
				}

			}
			// 2010 获得最长的行

			if (excelName.substring(excelName.lastIndexOf(".")).equals(".xlsx")) {
				ipts = new FileInputStream(excelName);
				XSSFWorkbook xswk = new XSSFWorkbook(ipts);
				for (int j = 0; j <= xswk.getSheetAt(sheetTotal).getLastRowNum(); j++) {
					if(null!=xswk.getSheetAt(sheetTotal).getRow(j)){
						System.out.println(xswk.getSheetAt(sheetTotal).getRow(j).getLastCellNum());
						if (xswk.getSheetAt(sheetTotal).getRow(j).getLastCellNum() > cellTotal) {
							cellTotal = xswk.getSheetAt(sheetTotal).getRow(j)
									.getLastCellNum();
						}
					}
				}
			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return cellTotal;
	}

	/**Offce2007及以下版本*/ 
	public List<ArrayList<ArrayList<Object>>> ImportExcel2003(String excelName) {
		List<ArrayList<ArrayList<Object>>> sheetList = new ArrayList<ArrayList<ArrayList<Object>>>();
		try {
			FileInputStream ipts = new FileInputStream(excelName);
			HSSFWorkbook hswk = new HSSFWorkbook(ipts);
			// 循环取出sheet
			int sheetTotal = hswk.getNumberOfSheets();
			for (int i = 0; i < sheetTotal; i++) {
				HSSFSheet xss = hswk.getSheetAt(i);
				if (null == xss) {
					continue;
				} else {
					int rowTotal = xss.getLastRowNum();
					int cellTotal = this.getCellTotal(excelName,i);
					// 循环取出行
					ArrayList<ArrayList<Object>> rowList = new ArrayList<ArrayList<Object>>();
					for (int j = 0; j <= rowTotal; j++) {
						HSSFRow xsr = xss.getRow(j);
						if (null == xsr) {
							continue;
						} else {
							ArrayList<Object> cellList = new ArrayList<Object>();
							for (int k = 0; k < cellTotal; k++) {
								HSSFCell xsc = xsr.getCell(k);
								// if
								// ((Cell.CELL_TYPE_BLANK)==xsc.getCellType()) {
								// cellList.add("");
								// }
								//
								// if
								// ((Cell.CELL_TYPE_STRING)==xsc.getCellType())
								// {
								cellList.add(xsc);
								// }
								//
								// if
								// ((Cell.CELL_TYPE_NUMERIC)==xsc.getCellType())
								// {
								// cellList.add(xsc + "");
								// }

							}
							rowList.add(cellList);
						}

					}
					sheetList.add(rowList);
				}
			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.println(sheetList.get(0).get(0).toString());
		return sheetList;
	}

	/** office2010*/
	public List<ArrayList<ArrayList<Object>>> ImportExcel2010(String excelName) {
		List<ArrayList<ArrayList<Object>>> sheetList = new ArrayList<ArrayList<ArrayList<Object>>>();
		try {
			FileInputStream ipts = new FileInputStream(excelName);
			XSSFWorkbook xswk = new XSSFWorkbook(ipts);
			// 循环取出sheet
			int sheetTotal = xswk.getNumberOfSheets();
			for (int i = 0; i < sheetTotal; i++) {
				XSSFSheet xss = xswk.getSheetAt(i);
				if (null == xss) {
					continue;
				} else {
					int rowTotal = xss.getLastRowNum();
					int cellTotal = this.getCellTotal(excelName,i);
					System.out.println("cellTotal="+cellTotal);
					// 循环取出行
					ArrayList<ArrayList<Object>> rowList = new ArrayList<ArrayList<Object>>();
					for (int j = 0; j <= rowTotal; j++) {
						XSSFRow xsr = xss.getRow(j);
						if (null == xsr) {
							continue;
						} else {
							ArrayList<Object> cellList = new ArrayList<Object>();
							for (int k = 0; k < cellTotal; k++) {
								XSSFCell xsc = xsr.getCell(k);
								// if
								// ((Cell.CELL_TYPE_BLANK)==xsc.getCellType()) {
								// cellList.add("");
								// }
								//
								// if
								// ((Cell.CELL_TYPE_STRING)==xsc.getCellType())
								// {
								cellList.add(xsc);
								// }
								//
								// if
								// ((Cell.CELL_TYPE_NUMERIC)==xsc.getCellType())
								// {
								// cellList.add(xsc + "");
								// }
							}
							rowList.add(cellList);
						}

					}
					sheetList.add(rowList);
				}
			}

		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		for (int i = 0; i < sheetList.size(); i++) {
			for (int j = 0; j < sheetList.get(i).size(); j++) {
				System.out.println(sheetList.get(i).get(j).toString());
			}
		}
		return sheetList;
	}
}

测试代码

package com.sddl.util;

public class test {

	/**
	 * @author Snail
	 */
	public static void main(String[] args){
		ImportExcelUtil e = new ImportExcelUtil();
		e.ImportExcel("c://scjybcldr.xlsx");
	}
}

几个必用JAR包见附录,POI版本为3.7.包括xmlbeans.jar.