Reader導入excel工具類

不解釋直接上代碼，樓主在參考中修改了幾個BUG，這是參考原做者（牧夢者）路徑

http://www.javashuo.com/article/p-vskdnsxh-z.html

DefaultReader.java

package com.cgtax.file.reader;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

public class DefaultReader implements Reader {

    @Override
    public void process(File file) throws Exception {

    }

    @Override
    public List<List<String>> getData() {
        return new ArrayList<>();
    }

}

Reader.java

package com.cgtax.file.reader;

import java.io.File;
import java.util.List;

public interface Reader {
    
    public void process(File file) throws Exception;
    
    public List<List<String>> getData();

}

ReaderFactory.java

package com.cgtax.file.reader;

import java.io.File;

import org.apache.commons.lang.IllegalClassException;

public class ReaderFactory {
    
    public static Reader createReader(File file) throws Exception {
        Reader reader = null;
        
        String suffix = file.getName().substring(file.getName().lastIndexOf(".") + 1);
        char[] chars = suffix.toCharArray();
        chars[0] = (char) (chars[0] - 32);
        String convert = String.valueOf(chars);
        String className = "com.cgtax.file.reader." + convert + "Reader";
        try {
            reader = (Reader) Class.forName(className).newInstance();
        } catch (ClassNotFoundException e) {
            reader = new DefaultReader();
            
            throw new IllegalClassException(className + " does not exists!");
        };
        
        return reader;
    }

}

ReaderUtil.java

package com.cgtax.file.reader;

import java.io.File;
import java.io.IOException;
import java.util.List;

import com.cgtax.collect.service.utils.ExcelSaveAs;

public class ReaderUtil {

    public static List<List<String>> read(File file) throws Exception {
        Reader reader = ReaderFactory.createReader(file);
        File target = null;
        try {
            reader.process(file);
        } catch (IOException e){
            String message = e.getMessage();
            // 若是爲Excel格式錯誤異常，轉存後再解析
            if(message != null && message.startsWith("Invalid header signature;")){
                target = ExcelSaveAs.saveAs2007(file); // JACOB另存爲
                reader = ReaderFactory.createReader(target);
                reader.process(target);
            }else{
                throw e;
            }
        } catch(Exception e){
            throw new RuntimeException(e);
        } finally {
            if (target != null && target.exists()) target.delete();
            if (file != null && file.exists()) file.delete();
        }
        
        List<List<String>> data = reader.getData();
        
        return data;
    }
}

XlsReader.java

package com.cgtax.file.reader;

import java.io.File;
import java.io.FileInputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.atomic.AtomicLong;

import org.apache.log4j.Logger;
import org.apache.poi.hssf.eventusermodel.EventWorkbookBuilder.SheetRecordCollectingListener;
import org.apache.poi.hssf.eventusermodel.FormatTrackingHSSFListener;
import org.apache.poi.hssf.eventusermodel.HSSFEventFactory;
import org.apache.poi.hssf.eventusermodel.HSSFListener;
import org.apache.poi.hssf.eventusermodel.HSSFRequest;
import org.apache.poi.hssf.eventusermodel.MissingRecordAwareHSSFListener;
import org.apache.poi.hssf.eventusermodel.dummyrecord.LastCellOfRowDummyRecord;
import org.apache.poi.hssf.eventusermodel.dummyrecord.MissingCellDummyRecord;
import org.apache.poi.hssf.model.HSSFFormulaParser;
import org.apache.poi.hssf.record.BOFRecord;
import org.apache.poi.hssf.record.BlankRecord;
import org.apache.poi.hssf.record.BoolErrRecord;
import org.apache.poi.hssf.record.DimensionsRecord;
import org.apache.poi.hssf.record.EOFRecord;
import org.apache.poi.hssf.record.FormulaRecord;
import org.apache.poi.hssf.record.LabelRecord;
import org.apache.poi.hssf.record.LabelSSTRecord;
import org.apache.poi.hssf.record.NumberRecord;
import org.apache.poi.hssf.record.Record;
import org.apache.poi.hssf.record.SSTRecord;
import org.apache.poi.hssf.record.StringRecord;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;

import com.cgtax.collect.service.utils.CgtaxCollectUtil;
import com.sdp.core.dt.Dto;
import com.sdp.utils.Str;


//https://blog.csdn.net/lipinganq/article/details/77678443

public class XlsReader implements HSSFListener, Reader {
    
    private static Logger logger = Logger.getLogger(XlsReader.class);
    
     private int minColumns = -1;

    private POIFSFileSystem fs;

    private int lastRowNumber;

    private int lastColumnNumber;

    private boolean outputFormulaValues = true;

    private SheetRecordCollectingListener workbookBuildingListener;

    private HSSFWorkbook stubWorkbook;

    private SSTRecord sstRecord;

    private FormatTrackingHSSFListener formatListener;

    private int sheetIndex = -1;

    private int nextRow;

    private int nextColumn;

    private boolean outputNextStringRecord;

    private int curRow = 0;

    private List<String> rowlist = new LinkedList<String>();;

    private AtomicLong rows = new AtomicLong(0);
        
    private boolean isValidateExcel;
    
    private List<List<String>> data = new ArrayList<>();
    
    private int totalCount = 0;
    
    private int tableHeaderLength = 0;

    @Override
    public void process(File file) throws Exception {
        String filename = file.getAbsolutePath();
        this.fs = new POIFSFileSystem(new FileInputStream(filename));
        MissingRecordAwareHSSFListener listener = new MissingRecordAwareHSSFListener(this);
        formatListener = new FormatTrackingHSSFListener(listener);
        HSSFEventFactory factory = new HSSFEventFactory();
        HSSFRequest request = new HSSFRequest();
        if (outputFormulaValues) {
            request.addListenerForAllRecords(formatListener);
        } else {
            workbookBuildingListener = new SheetRecordCollectingListener(formatListener);
            request.addListenerForAllRecords(workbookBuildingListener);
        }
        factory.processWorkbookEvents(request, fs);
    }

    @Override
    public List<List<String>> getData() {
        return data;
    }

    public void processRecord(Record record) {
        int thisRow = -1;
        int thisColumn = -1;
        String thisStr = null;
        String value = null;
    
        switch (record.getSid()) {
        case BOFRecord.sid:
            BOFRecord br = (BOFRecord) record;
            if (br.getType() == BOFRecord.TYPE_WORKSHEET) {
                // 若是有須要，則創建子工做薄
                if (workbookBuildingListener != null && stubWorkbook == null) {
                    stubWorkbook = workbookBuildingListener.getStubHSSFWorkbook();
                }
                
                sheetIndex++;
                
                if (sheetIndex == 0) {
                    isValidateExcel = true;
                }
            }
            break;
        case DimensionsRecord.sid: //excel範圍
            if (sheetIndex == 0) {
                DimensionsRecord dr = (DimensionsRecord) record;
                totalCount  = dr.getLastRow();
            }
            break;
        case SSTRecord.sid:
            sstRecord = (SSTRecord) record;
            break;

        case BlankRecord.sid:
            BlankRecord brec = (BlankRecord) record;
            thisRow = brec.getRow();
            thisColumn = brec.getColumn();
            thisStr = "";
            rowlist.add(thisColumn, thisStr);
            break;
        case BoolErrRecord.sid: // 單元格爲布爾類型
            BoolErrRecord berec = (BoolErrRecord) record;
            thisRow = berec.getRow();
            thisColumn = berec.getColumn();
            thisStr = berec.getBooleanValue() + "";
            rowlist.add(thisColumn, thisStr);
            break;

        case FormulaRecord.sid: // 單元格爲公式類型
            FormulaRecord frec = (FormulaRecord) record;
            thisRow = frec.getRow();
            thisColumn = frec.getColumn();
            if (outputFormulaValues) {
                if (Double.isNaN(frec.getValue())) {
                    // Formula result is a string
                    // This is stored in the next record
                    outputNextStringRecord = true;
                    nextRow = frec.getRow();
                    nextColumn = frec.getColumn();
                } else {
                    thisStr = formatListener.formatNumberDateCell(frec);
                }
            } else {
                thisStr = '"' + HSSFFormulaParser.toFormulaString(stubWorkbook, frec.getParsedExpression()) + '"';
            }
            rowlist.add(thisColumn, thisStr);
            break;
        case StringRecord.sid:// 單元格中公式的字符串
            if (outputNextStringRecord) {
                // String for formula
                StringRecord srec = (StringRecord) record;
                thisStr = srec.getString();
                thisRow = nextRow;
                thisColumn = nextColumn;
                outputNextStringRecord = false;
            }
            break;
        case LabelRecord.sid:
            LabelRecord lrec = (LabelRecord) record;
            curRow = thisRow = lrec.getRow();
            thisColumn = lrec.getColumn();
            value = lrec.getValue().trim();
            value = value.equals("") ? " " : value;
            this.rowlist.add(thisColumn, value);
            break;
        case LabelSSTRecord.sid: // 單元格爲字符串類型
            LabelSSTRecord lsrec = (LabelSSTRecord) record;
            curRow = thisRow = lsrec.getRow();
            thisColumn = lsrec.getColumn();
            if (sstRecord == null) {
                rowlist.add(thisColumn, " ");
            } else {
                value = sstRecord.getString(lsrec.getSSTIndex()).toString().trim();
                value = value.equals("") ? " " : value;
                rowlist.add(thisColumn, value);
            }
            break;
        case NumberRecord.sid: // 單元格爲數字類型
            NumberRecord numrec = (NumberRecord) record;
            curRow = thisRow = numrec.getRow();
            thisColumn = numrec.getColumn();
            value = formatListener.formatNumberDateCell(numrec).trim();
            value = value.equals("") ? " " : value;
            // 向容器加入列值
            rowlist.add(thisColumn, value);
            break;
        case EOFRecord.sid: //workbook或者worksheet的結尾
            
            break;
        default:
            break;
        }
        
        // 遇到新行的操做
        if (thisRow != -1 && thisRow != lastRowNumber) {
            lastColumnNumber = -1;
        }

        // 空值的操做
        if (record instanceof MissingCellDummyRecord) {
            MissingCellDummyRecord mc = (MissingCellDummyRecord) record;
            curRow = thisRow = mc.getRow();
            thisColumn = mc.getColumn();
            rowlist.add(thisColumn, " ");
        }
        
        // 更新行和列的值
        if (thisRow > -1)
            lastRowNumber = thisRow;
        if (thisColumn > -1)
            lastColumnNumber = thisColumn;

        // 行結束時的操做
        if (record instanceof LastCellOfRowDummyRecord) {
            if (minColumns > 0) {
                // 列值從新置空
                if (lastColumnNumber == -1) {
                    lastColumnNumber = 0;
                }
            }
            lastColumnNumber = -1;
            
            int start_row = Integer.parseInt(Dto.getParam().getString("start_row"));
            if ((curRow - start_row + 2 == 0) && isValidateExcel) {
                String labels = Dto.getParam().getString("labels");
                if (Str.isNotAnyEmpty(labels)) {
                    List<String> labelList = Arrays.asList(labels.split(","));
                    tableHeaderLength = labelList.size();
                    if (CgtaxCollectUtil.equals(labelList, rowlist)) {
                        isValidateExcel = false;
                    } else {
                        Dto.getParam().set("model_title", Arrays.toString(labelList.toArray()));
                        Dto.getParam().set("excel_title", Arrays.toString(rowlist.toArray()));
                        logger.error("模型屬性：" + Arrays.toString(labelList.toArray()));
                        logger.error("excel表頭：" + Arrays.toString(rowlist.toArray()));
                        
                        throw new RuntimeException(new IllegalArgumentException("excel列與模板屬性不一致!"));
                    }
                }
            }

            rows.incrementAndGet();
            
            int  end_row = 0;
            String s_end_row = Dto.getParam().getString("end_row");
            if (Str.isNotAnyEmpty(s_end_row)) {
                end_row = Integer.parseInt(s_end_row);
            }
            
            if ((sheetIndex == 0) && ((curRow - start_row + 2) > 0) && (curRow < totalCount + end_row)) {
                /* 處理最後一列爲空導入異常*/
                String labels = Dto.getParam().getString("labels");
                int labelSize = Arrays.asList(labels.split(",")).size();
                if(rowlist.size() < labelSize){
                    for(int i = rowlist.size(); i < labelSize; i++){
                        rowlist.add(" ");
                    }
                }
                /* 過濾空行*/
                boolean isFlag = false;
                for(String str : rowlist){
                    if(Str.isNotAnyEmpty(str)){
                        isFlag = true;
                        break;
                    }
                }
                if(isFlag){
                    /* 處理數據列數大於表頭列數*/
                    while(rowlist.size() > tableHeaderLength) rowlist.remove(tableHeaderLength);
                    data.add(new ArrayList<>(rowlist));
                }
            }
            
            // 清空容器
            rowlist.clear();
        }
    }
}

XlsxReader.java

package com.cgtax.file.reader;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.atomic.AtomicLong;
import java.util.regex.Pattern;

import org.apache.log4j.Logger;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.ss.usermodel.BuiltinFormats;
import org.apache.poi.ss.usermodel.DataFormatter;
import org.apache.poi.xssf.eventusermodel.XSSFReader;
import org.apache.poi.xssf.model.SharedStringsTable;
import org.apache.poi.xssf.model.StylesTable;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFRichTextString;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.XMLReaderFactory;

import com.cgtax.collect.service.utils.CgtaxCollectUtil;
import com.jfinal.kit.StrKit;
import com.sdp.core.dt.Dto;
import com.sdp.utils.Str;

public class XlsxReader extends DefaultHandler implements Reader {
    
    private static Logger logger = Logger.getLogger(XlsxReader.class);
    
    private OPCPackage pkg;

    private SharedStringsTable sst;

    private String lastContents;

    private boolean nextIsString;

    private int sheetIndex = -1;

    private List<String> rowlist = new LinkedList<String>();

    private int curRow = 0;
    
    private int actualRowIndex = 0;
    private List<Integer> curRowList = new ArrayList<Integer>();

    private int curCol = 0;

    private boolean isTElement;

    private CellDataType nextDataType = CellDataType.SSTINDEX;

    private final DataFormatter formatter = new DataFormatter();

    private short formatIndex;

    private String formatString;

    private String preRef = null, ref = null;

    private String maxRef = null;

    private StylesTable stylesTable;
    
    private AtomicLong rows = new AtomicLong(0);
    
    private boolean isValidateExcel;
    
    private List<List<String>> data = new ArrayList<>();
    
    private int totalCount = 0;
    
    private int tableHeaderLength = 0;//記錄表頭長度

    @Override
    public void process(File file) throws Exception {
        String filename = file.getAbsolutePath();
        pkg = OPCPackage.open(filename);
        XSSFReader xssfReader = new XSSFReader(pkg);
        stylesTable = xssfReader.getStylesTable();
        SharedStringsTable sst = xssfReader.getSharedStringsTable();
        XMLReader parser = this.fetchSheetParser(sst);
        Iterator<InputStream> sheets = xssfReader.getSheetsData();
        while (sheets.hasNext()) {
            curRow = 0;
            curRowList.clear();
            actualRowIndex = 0;
            sheetIndex++;
            
            if (sheetIndex == 0) {
                isValidateExcel = true;
            }
            
            InputStream sheet = sheets.next();
            InputSource sheetSource = new InputSource(sheet);
            parser.parse(sheetSource);
            sheet.close();
        }
        
        if (pkg != null) pkg.close();
    }

    @Override
    public List<List<String>> getData() {
        return data;
    }

    public XMLReader fetchSheetParser(SharedStringsTable sst) throws SAXException {
        XMLReader parser = XMLReaderFactory.createXMLReader("org.apache.xerces.parsers.SAXParser");
        this.sst = sst;
        parser.setContentHandler(this);
        return parser;
    }

    public void startElement(String uri, String localName, String name, Attributes attributes) throws SAXException {
        if ("dimension".equals(name)) {// 得到總計錄數
            String d = attributes.getValue("ref");
            totalCount = getNumber(d.substring(d.indexOf(":") + 1, d.length()));
        }
        if(ref != null) isRowNull(ref);
        // c => 單元格
        if ("c".equals(name)) {
            // 前一個單元格的位置
            if (preRef == null) {
                preRef = attributes.getValue("r");
            } else {
                preRef = ref;
            }
            // 當前單元格的位置
            ref = attributes.getValue("r");
            // 設定單元格類型
            this.setNextDataType(attributes);
            // Figure out if the value is an index in the SST
            String cellType = attributes.getValue("t");
            if (cellType != null && cellType.equals("s")) {
                nextIsString = true;
            } else {
                nextIsString = false;
            }
        }

        // 當元素爲t時
        if ("t".equals(name)) {
            isTElement = true;
        } else {
            isTElement = false;
        }

        // 置空
        lastContents = "";
    }

    /**
     * 單元格中的數據可能的數據類型
     */
    enum CellDataType {
        BOOL, ERROR, FORMULA, INLINESTR, SSTINDEX, NUMBER, DATE, NULL
    }

    /**
     * 處理數據類型
     * 
     * @param attributes
     */
    public void setNextDataType(Attributes attributes) {
        nextDataType = CellDataType.NUMBER;
        formatIndex = -1;
        formatString = null;
        String cellType = attributes.getValue("t");
        String cellStyleStr = attributes.getValue("s");
        // String columData = attributes.getValue("r");

        if ("b".equals(cellType)) {
            nextDataType = CellDataType.BOOL;
        } else if ("e".equals(cellType)) {
            nextDataType = CellDataType.ERROR;
        } else if ("inlineStr".equals(cellType)) {
            nextDataType = CellDataType.INLINESTR;
        } else if ("s".equals(cellType)) {
            nextDataType = CellDataType.SSTINDEX;
        } else if ("str".equals(cellType)) {
            nextDataType = CellDataType.FORMULA;
        }

        if (cellStyleStr != null) {
            int styleIndex = Integer.parseInt(cellStyleStr);
            XSSFCellStyle style = stylesTable.getStyleAt(styleIndex);
            formatIndex = style.getDataFormat();
            formatString = style.getDataFormatString();

            if ("m/d/yy" == formatString) {
                nextDataType = CellDataType.DATE;
                formatString = "yyyy-MM-dd hh:mm:ss.SSS";
            }

            if (formatString == null) {
                nextDataType = CellDataType.NULL;
                formatString = BuiltinFormats.getBuiltinFormat(formatIndex);
            }
        }
    }

    /**
     * 對解析出來的數據進行類型處理
     * 
     * @param value
     *            單元格的值（這時候是一串數字）
     * @param thisStr
     *            一個空字符串
     * @return
     */
    public String getDataValue(String value, String thisStr) {
        switch (nextDataType) {
        // 這幾個的順序不能隨便交換，交換了極可能會致使數據錯誤
        case BOOL:
            char first = value.charAt(0);
            thisStr = first == '0' ? "FALSE" : "TRUE";
            break;
        case ERROR:
            thisStr = "\"ERROR:" + value.toString() + '"';
            break;
        case FORMULA:
            thisStr = '"' + value.toString() + '"';
            break;
        case INLINESTR:
            XSSFRichTextString rtsi = new XSSFRichTextString(value.toString());

            thisStr = rtsi.toString();
            rtsi = null;
            break;
        case SSTINDEX:
            String sstIndex = value.toString();
            try {
                int idx = Integer.parseInt(sstIndex);
                XSSFRichTextString rtss = new XSSFRichTextString(sst.getEntryAt(idx));
                thisStr = rtss.toString();
                rtss = null;
            } catch (NumberFormatException ex) {
                thisStr = value.toString();
            }
            break;
        case NUMBER:
            if (formatString != null) {
                thisStr = formatter.formatRawCellContents(Double.parseDouble(value), formatIndex, formatString).trim();
            } else {
                thisStr = value;
            }

            thisStr = thisStr.replace("_", "").trim();
            break;
        case DATE:
            thisStr = formatter.formatRawCellContents(Double.parseDouble(value), formatIndex, formatString);

            // 對日期字符串做特殊處理
            thisStr = thisStr.replace(" ", "T");
            break;
        default:
            thisStr = " ";

            break;
        }

        return thisStr;
    }

    @Override
    public void endElement(String uri, String localName, String name) throws SAXException {
        // 根據SST的索引值的到單元格的真正要存儲的字符串
        // 這時characters()方法可能會被調用屢次
        if (nextIsString && StrKit.isBlank(lastContents) && isDecimal(lastContents)) {
            int idx = Integer.parseInt(lastContents);
            lastContents = new XSSFRichTextString(sst.getEntryAt(idx)).toString();
        }

        // t元素也包含字符串
        if (isTElement) {
            // 將單元格內容加入rowlist中，在這以前先去掉字符串先後的空白符
            String value = lastContents.trim();
            rowlist.add(curCol, value);
            curCol++;
            isTElement = false;
        } else if ("v".equals(name)) {
            // v => 單元格的值，若是單元格是字符串則v標籤的值爲該字符串在SST中的索引
            String value = this.getDataValue(lastContents.trim(), "");
            // 補全單元格之間的空單元格
            if (!ref.equals(preRef)) {
                int len = countNullCell(ref, preRef);
                for (int i = 0; i < len; i++) {
                    rowlist.add(curCol, "");
                    curCol++;
                }
            } else if (preRef.equals(ref)) {
                // 解決第一個字段爲空的記錄
                String firstColRef = preRef.replaceAll("\\d+", "");
                String rowNum = preRef.replaceAll("[A-Z]+", "");
                if (!firstColRef.equals("A")) {
                    preRef = "A" + rowNum;
                    int len = countNullCell(ref, preRef) + 1;// A3爲空 則 A3
                                                                // B3的空單元格爲1
                    for (int i = 0; i < len; i++) {
                        rowlist.add(curCol, "");
                        curCol++;
                    }
                }
            }
            rowlist.add(curCol, value);
            curCol++;
        } else if ("c".equals(name) && countNullCell(ref, preRef) >= 0) {
            if (lastContents.trim().equals("")) {
                int len = countNullCell(ref, preRef) + 1;// A3爲空 則 A3 B3的空單元格爲1
                for (int i = 0; i < len; i++) {
                    rowlist.add(curCol, "");
                    curCol++;
                }
            }
        } else {
            if(name.equals("c") && preRef.equals(ref) 
                    && Str.isNotAnyEmpty(preRef) && Str.isNotAnyEmpty(ref)
                    && lastContents.trim().equals("")){
                rowlist.add(curCol, "");
                curCol++;
            }
            // 若是標籤名稱爲 row ，這說明已到行尾，調用 optRows() 方法
            if (name.equals("row")) {
                // 默認第一行爲表頭，以該行單元格數目爲最大數目
                if (curRow == 1) {
                    maxRef = ref;
                }
                // 補全一行尾部可能缺失的單元格
                if (maxRef != null) {
                    int len = countNullCell(maxRef, ref);
                    for (int i = 0; i <= len; i++) {
                        rowlist.add(curCol, "");
                        curCol++;
                    }
                }
                
                int start_row = Integer.parseInt(Dto.getParam().getString("start_row"));
                if ((curRow - start_row + 2 == 0) && isValidateExcel) {
                    String labels = Dto.getParam().getString("labels");
                    if (Str.isNotAnyEmpty(labels)) {
                        List<String> labelList = Arrays.asList(labels.split(","));
                        tableHeaderLength = labelList.size();
                        if (CgtaxCollectUtil.equals(labelList, rowlist)) {
                            isValidateExcel = false;
                        } else {
                            if (pkg != null) {
                                try {
                                    pkg.close();
                                } catch (IOException e) {
                                    throw new RuntimeException(e);
                                }
                            }
                            Dto.getParam().set("model_title", Arrays.toString(labelList.toArray()));
                            Dto.getParam().set("excel_title", Arrays.toString(rowlist.toArray()));
                            logger.error("模型屬性：" + Arrays.toString(labelList.toArray()));
                            logger.error("excel表頭：" + Arrays.toString(rowlist.toArray()));
                            throw new IllegalArgumentException("excel列與模板屬性不一致!");
                        }
                    }
                }
                
                rows.incrementAndGet();
                
                int  end_row = 0;
                String s_end_row = Dto.getParam().getString("end_row");
                if (Str.isNotAnyEmpty(s_end_row)) {
                    end_row = Integer.parseInt(s_end_row);
                }
                if ((sheetIndex == 0) && ((actualRowIndex - start_row + 2) > 0) && (actualRowIndex < totalCount + end_row)) {
                    /* 過濾空行*/
                    boolean isFlag = false;
                    for(String str : rowlist){
                        if(Str.isNotAnyEmpty(str)){
                            isFlag = true;
                            break;
                        }
                    }
                    if(isFlag){
                        /* 處理數據列數大於表頭列數*/
                        while(rowlist.size() > tableHeaderLength) rowlist.remove(tableHeaderLength);
                        data.add(new ArrayList<>(rowlist));
                    }
                }

                rowlist.clear();
                curRow++;
                actualRowIndex++;
                curCol = 0;
                preRef = null;
                ref = null;
            }
        }
    }

    @Override
    public void endDocument() throws SAXException {
        
    }
    
    @Override
    public void characters(char[] ch, int start, int length) throws SAXException {
        lastContents += new String(ch, start, length);
    }
    
    private boolean isDecimal(String str) {
        return Pattern.compile("([1-9]+[0-9]*|0)(\\.[\\d]+)?").matcher(str).matches();
    }

    private int countNullCell(String ref, String preRef) {
        // excel2007最大行數是1048576，最大列數是16384，最後一列列名是XFD
        String xfd = ref.replaceAll("\\d+", "");
        String xfd_1 = preRef.replaceAll("\\d+", "");

        xfd = fillChar(xfd, 3, '@', true);
        xfd_1 = fillChar(xfd_1, 3, '@', true);

        char[] letter = xfd.toCharArray();
        char[] letter_1 = xfd_1.toCharArray();
        int res = (letter[0] - letter_1[0]) * 26 * 26 + (letter[1] - letter_1[1]) * 26 + (letter[2] - letter_1[2]);
        return res - 1;
    }

    private String fillChar(String str, int len, char let, boolean isPre) {
        int len_1 = str.length();
        if (len_1 < len) {
            if (isPre) {
                for (int i = 0; i < (len - len_1); i++) {
                    str = let + str;
                }
            } else {
                for (int i = 0; i < (len - len_1); i++) {
                    str = str + let;
                }
            }
        }
        return str;
    }
    
    private static int getNumber(String column) {
        String c = column.toUpperCase().replaceAll("[A-Z]", "");
        return Integer.parseInt(c);
    }
    
    private void isRowNull(String column){
        int rowIndex = getNumber(ref);
        if(!curRowList.contains(rowIndex)){
            if(curRowList.size() > 0){
                actualRowIndex += (rowIndex-1) - curRowList.get(curRowList.size() - 1);
            }
            curRowList.add(rowIndex);
        }
    }
}