一、示例简介

本示例通过apache的poi开源包对Ms-Excel文档格式数据进行了读取解析转为Java的List序列集，该示例不但兼容了新旧(最新及97-2003的版本）版本问题，同时通过XSSF和HSSF分别解析后缀为xlsx和xls的格式文件（读写xls和xlsx格式时，HSSFWorkbook针对xls，XSSFWorkbook针对xlsx），具体代码示例如下

1. 主测试代码类ExcelReaderTest

package xwood.tools;@b@@b@import java.io.ByteArrayInputStream;@b@import java.io.ByteArrayOutputStream;@b@import java.io.DataInputStream;@b@import java.io.FileInputStream;@b@import java.io.IOException;@b@import java.io.InputStream;@b@import java.util.ArrayList;@b@import java.util.HashMap;@b@import java.util.Iterator;@b@import java.util.List;@b@import java.util.Map;@b@@b@import org.apache.poi.hssf.usermodel.HSSFRow;@b@import org.apache.poi.hssf.usermodel.HSSFSheet;@b@import org.apache.poi.hssf.usermodel.HSSFWorkbook;@b@import org.apache.poi.xssf.usermodel.XSSFRow;@b@import org.apache.poi.xssf.usermodel.XSSFSheet;@b@import org.apache.poi.xssf.usermodel.XSSFWorkbook;@b@@b@public class ExcelReaderTest {@b@    @b@    static class ExcelReader{@b@        @b@        /**excel文件位置*/@b@        private String filepath;@b@        @b@        /**读取excel为流*/@b@        private InputStream excelStream;@b@        @b@        /**将读取的excel流解析为List*/@b@        private List<Map<String, String>> list = new ArrayList<Map<String, String>>(); @b@        @b@        private Integer limit;@b@        private Integer startNum;@b@        private Integer sheetIndex;@b@        @b@        @b@        public ExcelReader(String filepath) {@b@            super();@b@            this.filepath = filepath;@b@        }@b@        @b@        @b@@b@        /**@b@         * 获取指定Excel文件的文件流@b@         * @param fileName@b@         * @throws Exception@b@         */@b@        private void readExcel2Stream(String fileName) throws Exception{@b@            InputStream fis =  null;@b@                DataInputStream dis = new DataInputStream(new FileInputStream(fileName));@b@                @b@                ByteArrayOutputStream dos = new ByteArrayOutputStream();@b@                byte[] b = new byte[102];@b@                int length = 0;@b@                while ((length=dis.read(b))!=-1) {@b@                    dos.write(b, 2, length-2);@b@                    dos.flush();@b@                }@b@                dis.close();@b@                dos.close();@b@                fis = new ByteArrayInputStream(dos.toByteArray());@b@                excelStream = new FileInputStream(fileName);@b@        }@b@        @b@        private void parseXlsxSuffix() throws IOException{@b@            XSSFWorkbook workbook = new XSSFWorkbook(excelStream);@b@            XSSFSheet sheet = workbook.getSheetAt(sheetIndex);@b@            if (startNum == null) {@b@                startNum = sheet.getFirstRowNum();@b@            }@b@            int rows = sheet.getLastRowNum();@b@            if(rows==0)return  ;@b@            XSSFRow row0 =sheet.getRow(startNum);@b@            Map<Integer, String> colsName = CellValue.getMapColNames(row0);@b@            Object[] cols = colsName.keySet().toArray();@b@            Map<String, String> line = null;@b@            for (int i = startNum + 1,num=0; i <= rows; i++) {@b@                @b@                if(sheet.getRow(i)==null)@b@                    continue;//读取到那一行为空时继续向下一行@b@                line = new HashMap<String, String>();@b@                for (Object col : cols) {@b@                    String data = CellValue.getStringValue(sheet.getRow(i)@b@                            .getCell((Integer) col), null);@b@                    String colName = colsName.get(col).trim().toLowerCase();@b@                    if (data == null || data.trim().equals("")) {@b@                        continue;@b@                    }@b@                    line.put(colName, data.trim());@b@                }@b@                if(line.size()>0){@b@                    list.add(line);@b@                        num++;@b@                        if (num >= limit) {@b@                            return  ;@b@                        }@b@                }@b@            }@b@            @b@        }@b@        @b@        private void parseXlsSuffix() throws IOException{@b@            HSSFWorkbook workbook =new HSSFWorkbook(excelStream);@b@            HSSFSheet sheet=workbook.getSheetAt(sheetIndex);@b@            if (startNum == null) {@b@                startNum = sheet.getFirstRowNum();@b@            }@b@            int rows = sheet.getLastRowNum();@b@            if(rows==0)return  ;@b@            HSSFRow row0 =sheet.getRow(startNum);@b@            Map<Integer, String> colsName = CellValue.getMapColNames(row0);@b@            Object[] cols = colsName.keySet().toArray();@b@            Map<String, String> line = null;@b@            for (int i = startNum + 1,num=0; i <= rows; i++) {@b@                @b@                if(sheet.getRow(i)==null)@b@                    continue;//读取到那一行为空时继续向下一行@b@                line = new HashMap<String, String>();@b@                for (Object col : cols) {@b@                    String data = CellValue.getStringValue(sheet.getRow(i)@b@                            .getCell((Integer) col), null);@b@                    String colName = colsName.get(col).trim().toLowerCase();@b@                    if (data == null || data.trim().equals("")) {@b@                        continue;@b@                    }@b@                    line.put(colName, data.trim());@b@                }@b@                if(line.size()>0){@b@                    list.add(line);@b@                        num++;@b@                        if (num >= limit) {@b@                            return  ;@b@                        }@b@                }@b@            }@b@        @b@            @b@        }@b@        @b@        /**@b@         * 解析excel为List@b@         * @param limit 返回最大记录上限@b@         * @param startNum 开始@b@         * @param sheetIndex excel sheet号@b@         * @throws IOException@b@         */@b@        private  void parseExcel() throws IOException{ @b@            String fileSiffix=filepath.substring(filepath.lastIndexOf(".")+1,filepath.length());@b@            if("xls".equalsIgnoreCase(fileSiffix))@b@                parseXlsSuffix();@b@            else if("xlsx".equalsIgnoreCase(fileSiffix))@b@                parseXlsxSuffix();@b@        }@b@        @b@        @b@        /**@b@         * 获取指定位置excel的返回数据@b@         * @param limit@b@         * @param startNum@b@         * @param sheetIndex@b@         * @return@b@         * @throws Exception@b@         */@b@        public List<Map<String, String>> getDatas(@b@                Integer limit, Integer startNum, Integer sheetIndex) throws Exception{@b@            if(filepath==null||"".equals(filepath.trim()))@b@                throw new Exception("请配置读取文件路径");@b@            this.limit=limit;@b@            this.startNum=startNum;@b@            this.sheetIndex=sheetIndex;@b@            readExcel2Stream(filepath);//存到成员变量excelStream中@b@            parseExcel();//解析存在成员变量list @b@            return list;@b@        }@b@        @b@        @b@    }@b@    @b@@b@    @SuppressWarnings("unused")@b@    public static void main(String[] args) throws Exception{@b@        ExcelReader reader=new ExcelReader("c:/NJ/bak/test123.xlsx");@b@        List<Map<String, String>> list =reader.getDatas(100,0,0);@b@        StringBuffer printMap=new StringBuffer("");@b@        for(Map<String, String> dm:list){@b@            Iterator it=dm.keySet().iterator();@b@            while(it.hasNext()){@b@                String _key=(String)it.next();@b@                printMap.append(_key+":"+dm.get(_key)+";");@b@            }@b@            @b@        }@b@        System.out.println(printMap.toString());@b@    }@b@@b@}

2.  excel单元解析类CellValue

package xwood.tools;@b@@b@import java.io.BufferedReader;@b@import java.io.File;@b@import java.io.FileInputStream;@b@import java.io.FileReader;@b@import java.io.IOException;@b@import java.io.InputStream;@b@import java.io.InputStreamReader;@b@import java.io.PushbackInputStream;@b@import java.text.DecimalFormat;@b@import java.util.ArrayList;@b@import java.util.Date;@b@import java.util.HashMap;@b@import java.util.List;@b@import java.util.Map;@b@@b@import org.apache.poi.hssf.usermodel.HSSFCell;@b@import org.apache.poi.hssf.usermodel.HSSFDateUtil;@b@import org.apache.poi.hssf.usermodel.HSSFRow;@b@import org.apache.poi.hssf.usermodel.HSSFSheet;@b@import org.apache.poi.xssf.usermodel.XSSFCell;@b@import org.apache.poi.xssf.usermodel.XSSFRow;@b@import org.apache.poi.xssf.usermodel.XSSFSheet;@b@import org.dom4j.Document;@b@import org.dom4j.Element;@b@import org.dom4j.io.SAXReader;@b@@b@public class CellValue {@b@    public static final String TXT_SEPARATOR = "\t";@b@    public static final String XML_SEPARATOR = "root/rows/row";@b@    @b@    /**@b@     * 返回Excel2003去掉空行的记录数(xls)@b@     */@b@    public static int getRightRows(HSSFSheet sheet) {@b@        int rsRows = sheet.getPhysicalNumberOfRows(); // 行数@b@        int nullCellNum;@b@        int afterRows = rsRows;@b@        // 定义 row、cell@b@        HSSFRow row;@b@        // HSSFCell cell;@b@        String cell;@b@        // 循环输出表格中的内容@b@        for (int i = sheet.getFirstRowNum(); i < rsRows; i++) { // 统计行中为空的单元格数@b@            row = sheet.getRow(i);@b@            nullCellNum = 0;@b@            if (row == null) {@b@                afterRows--;@b@                continue;@b@            }@b@            int rsCols = row.getPhysicalNumberOfCells();// 列数@b@            try {@b@                for (int j = 0; j < rsCols; j++) {@b@                    cell = row.getCell(j) == null ? "" : row.getCell(j).toString();@b@                    //cell = row.getCell(j) == null ? "" : cell;@b@                    if (cell==null||"".equalsIgnoreCase(cell.trim())) {@b@                        nullCellNum++;@b@                    }@b@                }@b@            } catch (Exception e) {@b@                e.printStackTrace();@b@            }@b@            if (nullCellNum >= rsCols) { // 如果nullCellNum大于或等于总的列数@b@                afterRows--; // 行数减一@b@            }@b@        }@b@        return afterRows;@b@    }@b@@b@    /**@b@     * 返回Excel2007去掉空行的记录数(xlsx)@b@     */@b@    public static int getRightRows(XSSFSheet sheet) { @b@        int rsRows = sheet.getPhysicalNumberOfRows(); // 行数@b@        int nullCellNum;@b@        int afterRows = rsRows;@b@        // 定义 row、cell@b@        XSSFRow row;@b@        // HSSFCell cell;@b@        String cell;@b@        // 循环输出表格中的内容@b@        for (int i = sheet.getFirstRowNum(); i < rsRows; i++) { // 统计行中为空的单元格数@b@            row = sheet.getRow(i);@b@            nullCellNum = 0;@b@            if (row == null) {@b@                afterRows--;@b@                continue;@b@            }@b@            int rsCols = row.getPhysicalNumberOfCells();// 列数@b@            for (int j = 0; j < rsCols; j++) {@b@                cell = row.getCell(j) == null ? "" : row.getCell(j).toString();@b@                if ("".equals(cell.trim())) {@b@                    nullCellNum++;@b@                }@b@            }@b@            if (nullCellNum >= rsCols) { // 如果nullCellNum大于或等于总的列数@b@                afterRows--; // 行数减一@b@            }@b@        }@b@        return afterRows;@b@    }@b@@b@    /**@b@     * excel2003单元格内容读取@b@     * @b@     * @param cell@b@     * @param defaultValue@b@     * @return@b@     */@b@    @SuppressWarnings("deprecation")@b@    public static String getStringValue(HSSFCell cell, String defaultValue) {@b@        String strReturn = defaultValue;@b@        try {@b@            @b@            if (cell == null)@b@                return defaultValue;@b@            @b@            int type = cell.getCellType();@b@            @b@        @b@            switch (type) {@b@                case HSSFCell.CELL_TYPE_STRING:@b@                    strReturn = cell.getStringCellValue();@b@                    break;@b@                case HSSFCell.CELL_TYPE_NUMERIC:@b@                    try {@b@                        boolean isDate = HSSFDateUtil.isCellDateFormatted(cell);@b@                        @b@                        if (isDate) {@b@                            double d = cell.getNumericCellValue();@b@                            Date date = HSSFDateUtil.getJavaDate(d);@b@        @b@                            if (strReturn == null) {@b@                                strReturn = cell.getDateCellValue().toLocaleString();@b@                            }@b@                        } else {@b@                            double d = cell.getNumericCellValue();@b@                            strReturn = keepScore(d);@b@                        }@b@                    } catch (Exception e) {@b@                        double d = cell.getNumericCellValue();@b@                        strReturn = keepScore(d);@b@                    }@b@                    break;@b@                case HSSFCell.CELL_TYPE_BOOLEAN:@b@                    strReturn = String.valueOf(cell.getBooleanCellValue());@b@                    break;@b@                case HSSFCell.CELL_TYPE_ERROR:@b@                    strReturn = defaultValue;@b@                    break;@b@                default:@b@                    strReturn = defaultValue;@b@@b@            }@b@            @b@        } catch (Exception e) {@b@            e.printStackTrace();@b@            strReturn = defaultValue;@b@        }@b@@b@        return strReturn;@b@    }@b@@b@    /**@b@     * excel2007单元格内容读取@b@     * @b@     * @param cell@b@     * @param defaultValue@b@     * @return@b@     */@b@    @SuppressWarnings("deprecation")@b@    public static String getStringValue(XSSFCell cell, String defaultValue) {@b@        String strReturn = defaultValue;@b@@b@        try {@b@            if (cell == null)@b@                return defaultValue;@b@@b@            int type = cell.getCellType();@b@@b@            switch (type) {@b@            case XSSFCell.CELL_TYPE_STRING:@b@                strReturn = cell.getStringCellValue();@b@                break;@b@            case XSSFCell.CELL_TYPE_NUMERIC:@b@                boolean isDate = HSSFDateUtil.isCellDateFormatted(cell);@b@                if (isDate) {@b@                    double d = cell.getNumericCellValue();@b@                    Date date = HSSFDateUtil.getJavaDate(d);@b@@b@                    if (strReturn == null) {@b@                        strReturn = cell.getDateCellValue().toLocaleString();@b@                    }@b@                } else {@b@                    double d = cell.getNumericCellValue();@b@                    strReturn = keepScore(d);@b@                }@b@                break;@b@            case XSSFCell.CELL_TYPE_BOOLEAN:@b@                strReturn = String.valueOf(cell.getBooleanCellValue());@b@                break;@b@            case XSSFCell.CELL_TYPE_ERROR:@b@                strReturn = defaultValue;@b@                break;@b@            default:@b@                strReturn = defaultValue;@b@@b@            }@b@        } catch (Exception e) {@b@            e.printStackTrace();@b@            strReturn = defaultValue;@b@        }@b@@b@        return strReturn;@b@    }@b@@b@@b@    /**@b@     * 获取excel2003标题行列名组成的list@b@     * @b@     * @param row 标题行@b@     * @return list@b@     */@b@    public static List<String> getColNames(HSSFRow row) {@b@        int cols = row.getPhysicalNumberOfCells();@b@        List<String> colNames = new ArrayList<String>();@b@@b@        for (int i = 0; i < cols; i++) {@b@            String colName = getStringValue(row.getCell(i), "");@b@            if (colName != null && !colName.equals(""))@b@                colNames.add(colName.trim().toLowerCase());@b@        }@b@@b@        return colNames;@b@    }@b@@b@    /**@b@     * 获取excel2003标题行列名组成的list@b@     * @b@     * @param row 标题行@b@     * @return list@b@     */@b@    public static Map<Integer, String> getMapColNames(HSSFRow row) {// HSSFRow row@b@        int cols = row.getPhysicalNumberOfCells();//获得总列数@b@        @b@        @b@        Map<Integer, String> colNames = new HashMap<Integer, String>();@b@        @b@        for (int i = 0; i <cols; i++) {@b@            @b@            String colName = getStringValue(row.getCell(i), "");//读取Excel中的数据@b@            @b@            if(colName.equals("")){@b@                cols++;@b@            }@b@            if (colName != null && !colName.equals("")){@b@                colNames.put(i, colName.trim());@b@            }@b@        }@b@@b@        return colNames;@b@    }@b@@b@    /**@b@     * 获取excel2007标题行列名组成的list@b@     * @b@     * @param row 标题行@b@     * @return list@b@     */@b@    public static List<String> getColNames(XSSFRow row) {@b@        int cols = row.getPhysicalNumberOfCells();@b@@b@        List<String> colNames = new ArrayList<String>();@b@@b@        for (int i = 0; i < cols; i++) {@b@            String colName = getStringValue(row.getCell(i), "");@b@            if (colName != null && !colName.equals(""))@b@                colNames.add(colName.trim().toLowerCase());@b@        }@b@@b@        return colNames;@b@    }@b@@b@    /**@b@     * 获取excel2007标题行列名组成的list@b@     * @b@     * @param row 标题行@b@     * @return list@b@     */@b@    public static Map<Integer, String> getMapColNames(XSSFRow row) {@b@        int cols = row.getPhysicalNumberOfCells();@b@@b@        Map<Integer, String> colNames = new HashMap<Integer, String>();@b@@b@        for (int i = 0; i < cols; i++) {@b@            String colName = getStringValue(row.getCell(i), "");@b@            @b@            if(colName.equals("")){//如果colName为空时 cols就加1@b@                cols++;@b@            }@b@            if (colName != null && !colName.equals(""))@b@                colNames.put(i, colName.trim());@b@        }@b@@b@        return colNames;@b@    }@b@@b@    /**@b@     * 获取txt标题行列名组成的list(默认第一个非空行为标题行)@b@     * @b@     * @param fieName 文件名@b@     * @return list@b@     */@b@    public static List<String> getColNames(String fileName, String separator) {@b@        BufferedReader in = null;@b@        try {@b@            List<String> colNames = new ArrayList<String>();@b@            in = new BufferedReader(new FileReader(fileName));@b@            String line;@b@            while ((line = in.readLine()) != null) {@b@                if (!"".equals(line.trim())) {@b@                    for (String str : line.split(separator)) {@b@                        colNames.add(str.trim());@b@                    }@b@                    return colNames;@b@                }@b@            }@b@            @b@        } catch (Exception e) {@b@            e.printStackTrace();@b@        } finally {@b@            try {@b@                if (in != null){@b@                    in.close();@b@                }@b@            } catch (IOException e) {@b@                e.printStackTrace();@b@            }@b@        }@b@        return null;@b@    }@b@@b@    /**@b@     * 获取txt标题行列名组成的list(默认第一个非空行为标题行)@b@     * @b@     * @param fieName 文件名@b@     * @return list@b@     */@b@    public static Map<Integer, String> getMapColNames(String fileName,@b@            String separator) {@b@        BufferedReader in = null;@b@        try {@b@            Map<Integer, String> colNames = new HashMap<Integer, String>();@b@            in = new BufferedReader(new FileReader(fileName));@b@            String line;@b@            while ((line = in.readLine()) != null) {@b@                if (!"".equals(line.trim())) {@b@                    for (int i = 0; i < line.split(separator).length; i++) {@b@                        String str = line.split(separator)[i];@b@                        colNames.put(i, str.trim());@b@                    }@b@                    return colNames;@b@                }@b@            }@b@        } catch (Exception e) {@b@            e.printStackTrace();@b@        }finally{@b@            try {@b@                if (in != null){@b@                    in.close();@b@                }@b@            } catch (IOException e) {@b@                e.printStackTrace();@b@            }@b@        }@b@        return null;@b@    }@b@    public static Map<Integer, String> getMapColNames(InputStream fis,@b@            String separator) {@b@        BufferedReader in = null;@b@        try {@b@            Map<Integer, String> colNames = new HashMap<Integer, String>();@b@            in = new BufferedReader(new InputStreamReader(fis));@b@            String line;@b@            while ((line = in.readLine()) != null) {@b@                if (!"".equals(line.trim())) {@b@                    for (int i = 0; i < line.split(separator).length; i++) {@b@                        String str = line.split(separator)[i];@b@                        colNames.put(i, str.trim());@b@                    }@b@                    return colNames;@b@                }@b@            }@b@        } catch (Exception e) {@b@            e.printStackTrace();@b@        }finally{@b@            try {@b@                if (in != null){@b@                    in.close();@b@                }@b@            } catch (IOException e) {@b@                e.printStackTrace();@b@            }@b@        }@b@        return null;@b@    }@b@    /**@b@     * 获取txt标题行列名组成的list(默认第一个非空行为标题行)@b@     * @b@     * @param fieName 文件名@b@     * @return list@b@     */@b@    public static List<String> getColNames(InputStream is, boolean firstHeader,@b@            String separator) {@b@        BufferedReader in = null;@b@        try {@b@            List<String> colNames = new ArrayList<String>();@b@            in = new BufferedReader(new InputStreamReader(is));@b@            String line = null;@b@            boolean isRun = true;@b@            while (isRun) {@b@                line = in.readLine();@b@                if (line == null) {@b@                    continue;@b@                }@b@                isRun = false;@b@                if (!firstHeader) {@b@                    line = in.readLine();@b@                }@b@            }@b@            if (!"".equals(line.trim())) {@b@                for (int i = 0; i < line.split(separator).length; i++) {@b@                    String str = line.split(separator)[i];@b@                    colNames.add(str.trim());@b@                }@b@                return colNames;@b@            }@b@        } catch (Exception e) {@b@            e.printStackTrace();@b@        }@b@        finally{@b@            try {@b@                if (in != null){@b@                    in.close();@b@                }@b@            } catch (IOException e) {@b@                e.printStackTrace();@b@            }@b@        }@b@        return null;@b@    }@b@@b@    /**@b@     * 获取txt标题行列名组成的list(默认第一个非空行为标题行)@b@     * @b@     * @param fieName 文件名@b@     * @return list@b@     */@b@    public static Map<Integer, String> getMapColNames(InputStream is,@b@            boolean firstHeader, String separator) {@b@        BufferedReader in = null;@b@        try {@b@            Map<Integer, String> colNames = new HashMap<Integer, String>();@b@            in = new BufferedReader(new InputStreamReader(is));@b@            String line = null;@b@            boolean isRun = true;@b@            while (isRun) {@b@                line = in.readLine();@b@                if (line == null) {@b@                    continue;@b@                }@b@                isRun = false;@b@                if (!firstHeader) {@b@                    line = in.readLine();@b@                }@b@            }@b@            if (!"".equals(line.trim())) {@b@                for (int i = 0; i < line.split(separator).length; i++) {@b@                    String str = line.split(separator)[i];@b@                    colNames.put(i, str.trim());@b@                }@b@                return colNames;@b@            }@b@        } catch (Exception e) {@b@            e.printStackTrace();@b@        }@b@        finally{@b@            try {@b@                if (in != null){@b@                    in.close();@b@                }@b@            } catch (IOException e) {@b@                e.printStackTrace();@b@            }@b@        }@b@        return null;@b@    }@b@@b@    /**@b@     * 获取txt内容组成的list(默认第一个非空行为标题行)@b@     * @b@     * @param fieName 文件名@b@     * @return list@b@     */@b@    public static List<String[]> getTxtContents(String fileName,@b@            String separator) {@b@        BufferedReader in = null;@b@        try {@b@            List<String[]> colNames = new ArrayList<String[]>();@b@            in = new BufferedReader(new FileReader(fileName));@b@            String line;@b@            while ((line = in.readLine()) != null) {@b@                if (!"".equals(line.trim())) {@b@                    colNames.add(line.split(separator));@b@                }@b@            }@b@            colNames.remove(0);@b@            return colNames;@b@        } catch (Exception e) {@b@            e.printStackTrace();@b@        } finally{@b@            try {@b@                if (in != null){@b@                    in.close();@b@                }@b@            } catch (IOException e) {@b@                e.printStackTrace();@b@            }@b@        }@b@        return null;@b@    }@b@    public static List<String[]> getTxtContents(InputStream fis,@b@            String separator) {@b@        @b@        BufferedReader in = null;@b@        try {@b@            List<String[]> colNames = new ArrayList<String[]>();@b@            in = new BufferedReader(new InputStreamReader(fis));@b@            String line;@b@            while ((line = in.readLine()) != null) {@b@                if (!"".equals(line.trim())) {@b@                    colNames.add(line.split(separator));@b@                }@b@            }@b@            colNames.remove(0);@b@            return colNames;@b@        } catch (Exception e) {@b@            e.printStackTrace();@b@        } finally{@b@            try {@b@                if (in != null){@b@                    in.close();@b@                }@b@            } catch (IOException e) {@b@                e.printStackTrace();@b@            }@b@        }@b@        return null;@b@    }@b@    /**@b@     * 返回xml文件对应的内容@b@     */@b@    public static Document getXmlDoc(File file) {@b@        SAXReader reader = new SAXReader();@b@        Document document = null;@b@        try {@b@            document = reader.read(file);@b@        } catch (Exception e) {@b@            InputStream in = null;@b@            InputStreamReader strInStream = null;@b@            try {@b@                in = new FileInputStream(file);@b@                strInStream = new InputStreamReader(in, "GBK");@b@                document = reader.read(strInStream);@b@            } catch (Exception ex) {@b@                ex.printStackTrace();@b@            } finally{@b@                try {@b@                    if (strInStream!=null) strInStream.close();@b@                } catch (IOException e1) {@b@                    e1.printStackTrace();@b@                }@b@                try {@b@                    if (in!=null) in.close();@b@                } catch (IOException e1) {@b@                    e1.printStackTrace();@b@                }@b@            }@b@@b@        }@b@        return document;@b@    }@b@@b@    /**@b@     * 返回xml文件对应的内容@b@     */@b@    public static Document getXmlDoc(InputStream fis) {@b@        Document document = null;@b@        SAXReader reader = new SAXReader();@b@        try {@b@            BufferedReader input = null;@b@            PushbackInputStream pis = new PushbackInputStream(fis, 1024);@b@            String bomEncoding = getBOMEncoding(pis);@b@            if (bomEncoding == null) {@b@                input = new BufferedReader(new InputStreamReader(pis, "UTF-8"));@b@            } else {@b@                input = new BufferedReader(new InputStreamReader(pis,@b@                        bomEncoding));@b@            }@b@            document = reader.read(input);@b@        } catch (Exception e) {@b@            try {@b@                InputStreamReader strInStream = new InputStreamReader(fis, "GBK");@b@                document = reader.read(strInStream);@b@            } catch (Exception ex) {@b@                ex.printStackTrace();@b@            }@b@        }@b@        return document;@b@    }@b@@b@    /**@b@     * 获取xml最后一级节点名组成的list@b@     * @b@     * @param element0  节点@b@     * @return list@b@     */@b@    public static List<String> getLastLevelNodeNames(Element element0) {@b@        List<String> nodeNames = new ArrayList<String>();@b@        @SuppressWarnings("unchecked")@b@        List<Element> elements = element0.elements();@b@        for (Element ele : elements) {@b@            nodeNames.add(ele.getName());@b@        }@b@        return nodeNames;@b@    }@b@@b@    protected static String getBOMEncoding(PushbackInputStream is)@b@            throws IOException {@b@        String encoding = null;@b@        int[] bytes = new int[3];@b@        bytes[0] = is.read();@b@        bytes[1] = is.read();@b@        bytes[2] = is.read();@b@        if (bytes[0] == 0xFE && bytes[1] == 0xFF) {@b@            encoding = "UTF-16BE";@b@            is.unread(bytes[2]);@b@        } else if (bytes[0] == 0xFF && bytes[1] == 0xFE) {@b@            encoding = "UTF-16LE";@b@            is.unread(bytes[2]);@b@        } else if (bytes[0] == 0xEF && bytes[1] == 0xBB && bytes[2] == 0xBF) {@b@            encoding = "UTF-8";@b@        } else {@b@            for (int i = bytes.length - 1; i >= 0; i--) {@b@                is.unread(bytes[i]);@b@            }@b@        }@b@        return encoding;@b@    }@b@@b@    private static String keepScore(double d) {@b@        String result = "";@b@        if (d > 0) {@b@            if (d - (int) d < Double.MIN_VALUE) { // 是否为int型@b@                result = Integer.toString((int) d);@b@            } else { // 是否为double型@b@                DecimalFormat df = new DecimalFormat("#.###########");@b@                result = df.format(d);@b@                // strReturn = Double.toString(cell.getNumericCellValue());@b@            }@b@        } else {@b@            if ((int) d - d < Double.MIN_VALUE) { // 是否为int型@b@                result = Integer.toString((int) d);@b@            } else { // 是否为double型@b@                DecimalFormat df = new DecimalFormat("#.###########");@b@                result = df.format(d);@b@            }@b@        }@b@        return result;@b@    }@b@}

二、控制台结果

id:12;title:xwood;date:8.9;

三、依赖jar包

commons-codec-1.6.jar,点击下载

commons-logging-1.1.1.jar,点击下载

dom4j-1.6.1.jar,点击下载

log4j-1.2.17.jar,点击下载

poi-3.9.jar,点击下载

poi-ooxml-3.9.jar,点击下载

poi-ooxml-schemas-3.9.jar,点击下载

xmlbeans-2.3.0.jar,点击下载