package org.bigdata.framework.admin.web.util;import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;/*** 导入的jar包* * poi-3.8-beta3-20110606.jar* * poi-ooxml-3.8-beta3-20110606.jar* * poi-examples-3.8-beta3-20110606.jar* * poi-excelant-3.8-beta3-20110606.jar* * poi-ooxml-schemas-3.8-beta3-20110606.jar* * poi-scratchpad-3.8-beta3-20110606.jar* * xmlbeans-2.3.0.jar* * dom4j-1.6.1.jar* * jar包官网下载地址：http://poi.apache.org/download.html* * 下载poi-bin-3.8-beta3-20110606.zipp* */public class ReadExcel {/** 总行数 */private int totalRows = 0;/** 总列数 */private int totalCells = 0;/** 错误信息 */private String errorInfo;/** 构造方法 */public ReadExcel() {}/*** * @描述：得到总行数* * @时间：2012-08-29 下午16:27:15* * @参数：@return* * @返回值：int*/public int getTotalRows() {return totalRows;}/*** * @描述：得到总列数* * @参数：@return* * @返回值：int*/public int getTotalCells() {return totalCells;}/*** * @描述：得到错误信息* * @参数：@return* * @返回值：String*/public String getErrorInfo() {return errorInfo;}/*** * @描述：验证excel文件* * @参数：@param filePath　文件完整路径* * @参数：@return* * @返回值：boolean*/public boolean validateExcel(String filePath) {/** 检查文件名是否为空或者是否是Excel格式的文件 */if (filePath == null || !(WDWUtil.isExcel2003(filePath) || WDWUtil.isExcel2007(filePath))) {errorInfo = "文件名不是excel格式";return false;}/** 检查文件是否存在 */File file = new File(filePath);if (file == null || !file.exists()) {errorInfo = "文件不存在";return false;}return true;}/*** * @描述：根据文件名读取excel文件* * @参数：@param filePath 文件完整路径* * @参数：@return* * @返回值：List*/public List<List<String>> read(String filePath) {List<List<String>> dataLst = new ArrayList<List<String>>();InputStream is = null;try {/** 验证文件是否合法 */if (!validateExcel(filePath)) {System.out.println(errorInfo);return null;}/** 判断文件的类型，是2003还是2007 */boolean isExcel2003 = true;if (WDWUtil.isExcel2007(filePath)) {isExcel2003 = false;}/** 调用本类提供的根据流读取的方法 */File file = new File(filePath);is = new FileInputStream(file);dataLst = read(is, isExcel2003);is.close();} catch (Exception ex) {ex.printStackTrace();} finally {if (is != null) {try {is.close();} catch (IOException e) {is = null;e.printStackTrace();}}}/** 返回最后读取的结果 */return dataLst;}/*** * @描述：根据流读取Excel文件* * @参数：@param isExcel2003* * @参数：@return* * @返回值：List*/public List<List<String>> read(InputStream inputStream, boolean isExcel2003) {List<List<String>> dataLst = null;try {/** 根据版本选择创建Workbook的方式 */Workbook wb = null;if (isExcel2003) {wb = new HSSFWorkbook(inputStream);} else {wb = new XSSFWorkbook(inputStream);}dataLst = read(wb);} catch (IOException e) {e.printStackTrace();}return dataLst;}/*** * @描述：读取数据* * @时间：2012-08-29 下午16:50:15* * @参数：@param Workbook* * @参数：@return* * @返回值：List<List<String>>*/@SuppressWarnings("all")private List<List<String>> read(Workbook wb) {List<List<String>> dataLst = new ArrayList<List<String>>();/** 得到第一个shell */Sheet sheet = wb.getSheetAt(0);/** 得到Excel的行数 */this.totalRows = sheet.getPhysicalNumberOfRows();/** 得到Excel的列数 */if (this.totalRows >= 1 && sheet.getRow(0) != null) {this.totalCells = sheet.getRow(0).getPhysicalNumberOfCells();}/** 循环Excel的行 */for (int r = 0; r < this.totalRows; r++) {Row row = sheet.getRow(r);if (row == null) {continue;}List<String> rowLst = new ArrayList<String>();/** 循环Excel的列 */for (int c = 0; c < this.getTotalCells(); c++) {Cell cell = row.getCell(c);String cellValue = "";if (null != cell) {// 以下是判断数据的类型switch (cell.getCellType()) {case HSSFCell.CELL_TYPE_NUMERIC: // 数字cellValue = cell.getNumericCellValue() + "";break;case HSSFCell.CELL_TYPE_STRING: // 字符串cellValue = cell.getStringCellValue();break;case HSSFCell.CELL_TYPE_BOOLEAN: // BooleancellValue = cell.getBooleanCellValue() + "";break;case HSSFCell.CELL_TYPE_FORMULA: // 公式cellValue = cell.getCellFormula() + "";break;case HSSFCell.CELL_TYPE_BLANK: // 空值cellValue = "";break;case HSSFCell.CELL_TYPE_ERROR: // 故障cellValue = "非法字符";break;default:cellValue = "未知类型";break;}}rowLst.add(cellValue);}/** 保存第r行的第c列 */dataLst.add(rowLst);}return dataLst;}/*** * @描述：main测试方法* * @参数：@param args* * @参数：@throws Exception* * @返回值：void*/public static void main(String[] args) throws Exception {ReadExcel poi = new ReadExcel();List<List<String>> list = poi.read("D:/资料/交通知识服务系统/3.数据/中文科技报告.xls");if (list != null) {for (int i = 0; i < list.size(); i++) {System.out.print("第" + (i+1) + "行");List<String> cellList = list.get(i);for (int j = 0; j < cellList.size(); j++) {// System.out.print("    第" + (j + 1) + "列值：");System.out.print("    " + cellList.get(j));}System.out.println();}}}}/*** * @描述：工具类* */class WDWUtil {/*** * @描述：是否是2003的excel，返回true是2003* * @参数：@param filePath　文件完整路径* * @参数：@return* * @返回值：boolean*/public static boolean isExcel2003(String filePath) {return filePath.matches("^.+\\.(?i)(xls)$");}/*** * @描述：是否是2007的excel，返回true是2007* * @参数：@param filePath　文件完整路径* * @参数：@return* * @返回值：boolean*/public static boolean isExcel2007(String filePath) {return filePath.matches("^.+\\.(?i)(xlsx)$");}}