poi-3.7-20101029.jar，下载地址：
geronimo-stax-api_1.0_spec-1.0.jar，下载地址：
xmlbeans-2.3.0.jar，下载地址：
poi-ooxml-3.7-20101029.jar，下载地址：
poi-ooxml-schemas-3.7-20101029.jar，下载地址：
以上5个jar，就可读取Excel 2003；
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读取Excel 2007，请加上dom4j-1.6.1.jar，下载地址：
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poi-3.6-20091214.jar，下载地址：
poi-contrib-3.6-20091214.jar，下载地址：
poi-scratch.6-20091214.jar，下载地址：
读取excel 文件的 java 代码：import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import java.text.DecimalFormat;import java.text.SimpleDateFormat;import java.util.LinkedList;import java.util.List;import org.apache.poi.hssf.usermodel.HSSFCell;import org.apache.poi.hssf.usermodel.HSSFDateUtil;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;public class ReadExcel {/*** 对外提供读取excel 的方法* */public static List<List<Object>> readExcel(File file) throws IOException{ String fileName = file.getName(); String extension = fileName.lastIndexOf(".")==-1?"":fileName.substring(fileName.lastIndexOf(".")+1); if("xls".equals(extension)){return read2003Excel(file); }else if("xlsx".equals(extension)){return read2007Excel(file); }else{throw new IOException("不支持的文件类型"); }}/*** 读取 office 2003 excel* @throws IOException * @throws FileNotFoundException */private static List<List<Object>> read2003Excel(File file) throws IOException{ List<List<Object>> list = new LinkedList<List<Object>>(); HSSFWorkbook hwb = new HSSFWorkbook(new FileInputStream(file)); HSSFSheet sheet = hwb.getSheetAt(0); Object value = null; HSSFRow row = null; HSSFCell cell = null;for(int i = sheet.getFirstRowNum();i<= sheet.getPhysicalNumberOfRows();i++){row = sheet.getRow(i);if (row == null) {continue;}List<Object> linked = new LinkedList<Object>();for (int j = row.getFirstCellNum(); j <= row.getLastCellNum(); j++) {cell = row.getCell(j);if (cell == null) {continue;}DecimalFormat df = new DecimalFormat("0");// 格式化 number String 字符SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 格式化日期字符串DecimalFormat nf = new DecimalFormat("0.00");// 格式化数字switch (cell.getCellType()) {case XSSFCell.CELL_TYPE_STRING:System.out.println(i+"行"+j+" 列 is String type");value = cell.getStringCellValue();break;case XSSFCell.CELL_TYPE_NUMERIC:System.out.println(i+"行"+j+" 列 is Number type ; DateFormt:"+cell.getCellStyle().getDataFormatString());if("@".equals(cell.getCellStyle().getDataFormatString())){value = df.format(cell.getNumericCellValue());} else if("General".equals(cell.getCellStyle().getDataFormatString())){value = nf.format(cell.getNumericCellValue());}else{value = sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue()));}break;case XSSFCell.CELL_TYPE_BOOLEAN:System.out.println(i+"行"+j+" 列 is Boolean type");value = cell.getBooleanCellValue();break;case XSSFCell.CELL_TYPE_BLANK:System.out.println(i+"行"+j+" 列 is Blank type");value = "";break;default:System.out.println(i+"行"+j+" 列 is default type");value = cell.toString();}if (value == null || "".equals(value)) {continue;}linked.add(value);}list.add(linked); } return list;}/*** 读取Office 2007 excel* */private static List<List<Object>> read2007Excel(File file) throws IOException { List<List<Object>> list = new LinkedList<List<Object>>(); // 构造 XSSFWorkbook 对象，strPath 传入文件路径 XSSFWorkbook xwb = new XSSFWorkbook(new FileInputStream(file)); // 读取第一章表格内容 XSSFSheet sheet = xwb.getSheetAt(0); Object value = null; XSSFRow row = null; XSSFCell cell = null; for (int i = sheet.getFirstRowNum(); i <= sheet.getPhysicalNumberOfRows(); i++) {row = sheet.getRow(i);if (row == null) {continue;}List<Object> linked = new LinkedList<Object>();for (int j = row.getFirstCellNum(); j <= row.getLastCellNum(); j++) {cell = row.getCell(j);if (cell == null) {continue;}DecimalFormat df = new DecimalFormat("0");// 格式化 number String 字符SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 格式化日期字符串DecimalFormat nf = new DecimalFormat("0.00");// 格式化数字switch (cell.getCellType()) {case XSSFCell.CELL_TYPE_STRING:System.out.println(i+"行"+j+" 列 is String type");value = cell.getStringCellValue();break;case XSSFCell.CELL_TYPE_NUMERIC:System.out.println(i+"行"+j+" 列 is Number type ; DateFormt:"+cell.getCellStyle().getDataFormatString());if("@".equals(cell.getCellStyle().getDataFormatString())){value = df.format(cell.getNumericCellValue());} else if("General".equals(cell.getCellStyle().getDataFormatString())){value = nf.format(cell.getNumericCellValue());}else{value = sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue()));}break;case XSSFCell.CELL_TYPE_BOOLEAN:System.out.println(i+"行"+j+" 列 is Boolean type");value = cell.getBooleanCellValue();break;case XSSFCell.CELL_TYPE_BLANK:System.out.println(i+"行"+j+" 列 is Blank type");value = "";break;default:System.out.println(i+"行"+j+" 列 is default type");value = cell.toString();}if (value == null || "".equals(value)) {continue;}linked.add(value);}list.add(linked); } return list;}}也会让你心无旁骛，更会让你的心灵得到解脱和抚慰。
