Java POI 解析word文档

时间:2021-04-12 06:24:08

实现步骤:

1.poi实现word转html

2.模型化解析html

3.html转Map数组

Map数组(数组的操作处理不做说明)

1.导jar包。 

Java POI 解析word文档

 

2.代码实现

package com.web.onlinexam.util;

import java.io.BufferedWriter;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileNotFoundException;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.OutputStream;  
import java.io.OutputStreamWriter;  
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.commons.lang.StringUtils;
import org.apache.poi.hwpf.HWPFDocument;  
import org.apache.poi.hwpf.model.PicturesTable;  
import org.apache.poi.hwpf.usermodel.CharacterRun;  
import org.apache.poi.hwpf.usermodel.Picture;  
import org.apache.poi.hwpf.usermodel.Range;  
import org.apache.poi.hwpf.usermodel.Paragraph;     
import org.apache.poi.hwpf.usermodel.Table;     
import org.apache.poi.hwpf.usermodel.TableCell;     
import org.apache.poi.hwpf.usermodel.TableIterator;     
import org.apache.poi.hwpf.usermodel.TableRow;  

import com.common.util.DateFormatUtil;
import com.common.util.FileUploadPathConfig;

/**
 *

 * @Description:Word试卷文档模型化解析

 * @author <a href="mailto:thoslbt@163.com">Thos</a> 42  * @ClassName: WordToHtml 44  * @version V1.0
 *
 */
public class WordToHtml {

    /**
     * 回车符ASCII码
     */
    private static final short ENTER_ASCII = 13;

    /**
     * 空格符ASCII码
     */
    private static final short SPACE_ASCII = 32;

    /**
     * 水平制表符ASCII码
     */
    private static final short TABULATION_ASCII = 9;

    public static String htmlText = "";
    public static String htmlTextTbl = "";
    public static int counter=0;
    public static int beginPosi=0;
    public static int endPosi=0;
    public static int beginArray[];
    public static int endArray[];
    public static String htmlTextArray[];
    public static boolean tblExist=false;

    public static final String inputFile="C:\\Users\\java\\Downloads\\111222.doc";
    public static final String htmlFile="E:/abc.html";

    public static void main(String argv[])
    {        
        try {
            getWordAndStyle(inputFile);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * word文档图片存储路径
     * @return
     */
    public static String wordImageFilePath(){

        return  FileUploadPathConfig.FILE_UPLOAD_BASE+"upload/wordImage/"+ DateFormatUtil.formatDate(new Date());
    }

    /**
     *  word文档图片Web访问路径
     * @return
     */
    public static String wordImgeWebPath(){

        return  "D:/var/e_learning/upload/wordImage/"+ DateFormatUtil.formatDate(new Date())+"/";
    }

    /**
     * 读取每个文字样式
     *
     * @param fileName
     * @throws Exception
     */


    public static void getWordAndStyle(String fileName) throws Exception {
        FileInputStream in = new FileInputStream(new File(fileName));
        HWPFDocument doc = new HWPFDocument(in);

        Range rangetbl = doc.getRange();//得到文档的读取范围   
        TableIterator it = new TableIterator(rangetbl);
        int num=100;         

        beginArray=new int[num];
        endArray=new int[num];
        htmlTextArray=new String[num];

        // 取得文档中字符的总数
        int length = doc.characterLength();
        // 创建图片容器
        PicturesTable pTable = doc.getPicturesTable();

        htmlText = "<html><head><title>" + doc.getSummaryInformation().getTitle() + "</title></head><body>";
        // 创建临时字符串,好加以判断一串字符是否存在相同格式

        if(it.hasNext())
        {
            readTable(it,rangetbl);
        }

        int cur=0;

        String tempString = "";
        for (int i = 0; i < length - 1; i++) {
            // 整篇文章的字符通过一个个字符的来判断,range为得到文档的范围
            Range range = new Range(i, i + 1, doc);

            CharacterRun cr = range.getCharacterRun(0);
            
            if(tblExist)
            {
                if(i==beginArray[cur])
                {         
                    htmlText+=tempString+htmlTextArray[cur];
                    tempString="";
                    i=endArray[cur]-1;
                    cur++;
                    continue;
                }
            }
            if (pTable.hasPicture(cr)) {
                htmlText +=  tempString ;                
                // 读写图片                
                readPicture(pTable, cr);
                tempString = "";                
            }
            else {

                Range range2 = new Range(i + 1, i + 2, doc);
                // 第二个字符
                CharacterRun cr2 = range2.getCharacterRun(0);
                char c = cr.text().charAt(0);

                // 判断是否为空格符
                if (c == SPACE_ASCII)
                    tempString += "&nbsp;";
                // 判断是否为水平制表符
                else if (c == TABULATION_ASCII)
                    tempString += "&nbsp;&nbsp;&nbsp;&nbsp;";
                // 比较前后2个字符是否具有相同的格式
                boolean flag = compareCharStyle(cr, cr2);
                if (flag&&c !=ENTER_ASCII)
                    tempString += cr.text();
                else {
                    String fontStyle = "<span style='font-family:" + cr.getFontName() + ";font-size:" + cr.getFontSize() / 2
                    + "pt;color:"+getHexColor(cr.getIco24())+";";

                    if (cr.isBold())
                        fontStyle += "font-weight:bold;";
                    if (cr.isItalic())
                        fontStyle += "font-style:italic;";

                    htmlText += fontStyle + "' >" + tempString + cr.text();
                    htmlText +="</span>";
                    tempString = "";
                }
                // 判断是否为回车符
                if (c == ENTER_ASCII)
                    htmlText += "<br/>";

            }
        }

        htmlText += tempString+"</body></html>";
        //生成html文件
        writeFile(htmlText);
        System.out.println("------------WordToHtml转换成功----------------");
        //word试卷数据模型化
        analysisHtmlString(htmlText);
        System.out.println("------------WordToHtml模型化成功----------------");
    }

    /**
     * 读写文档中的表格
     *
     * @param pTable
     * @param cr
     * @throws Exception
     */
    public static void readTable(TableIterator it, Range rangetbl) throws Exception {

        htmlTextTbl="";
        //迭代文档中的表格  

        counter=-1;
        while (it.hasNext())
        {
            tblExist=true;
            htmlTextTbl="";
            Table tb = (Table) it.next();    
            beginPosi=tb.getStartOffset() ;
            endPosi=tb.getEndOffset();

            //System.out.println("............"+beginPosi+"...."+endPosi);
            counter=counter+1;
            //迭代行,默认从0开始
            beginArray[counter]=beginPosi;
            endArray[counter]=endPosi;

            htmlTextTbl+="<table border>";
            for (int i = 0; i < tb.numRows(); i++) {      
                TableRow tr = tb.getRow(i);   

                htmlTextTbl+="<tr>";
                //迭代列,默认从0开始   
                for (int j = 0; j < tr.numCells(); j++) {      
                    TableCell td = tr.getCell(j);//取得单元格
                    int cellWidth=td.getWidth();

                    //取得单元格的内容   
                    for(int k=0;k<td.numParagraphs();k++){      
                        Paragraph para =td.getParagraph(k);      
                        String s = para.text().toString().trim();   
                        if(s=="")
                        {
                            s=" ";
                        }
                        htmlTextTbl += "<td width="+cellWidth+ ">"+s+"</td>";
                    }       
                }      
            }   
            htmlTextTbl+="</table>" ;    
            htmlTextArray[counter]=htmlTextTbl;

        } //end while
    }    

    /**
     * 读写文档中的图片
     *
     * @param pTable
     * @param cr
     * @throws Exception
     */
    public static void readPicture(PicturesTable pTable, CharacterRun cr) throws Exception {
        // 提取图片
        Picture pic = pTable.extractPicture(cr, false);
        // 返回POI建议的图片文件名
        String afileName = pic.suggestFullFileName();

        File file = new File(wordImageFilePath());
        System.out.println(file.mkdirs());
        OutputStream out = new FileOutputStream(new File( wordImageFilePath()+ File.separator + afileName));
        pic.writeImageContent(out);
        htmlText += "<img src='"+wordImgeWebPath()+ afileName
        + "' mce_src='"+wordImgeWebPath()+ afileName + "' />";
    }


    public static boolean compareCharStyle(CharacterRun cr1, CharacterRun cr2)
    {
        boolean flag = false;
        if (cr1.isBold() == cr2.isBold() && cr1.isItalic() == cr2.isItalic() && cr1.getFontName().equals(cr2.getFontName())
                && cr1.getFontSize() == cr2.getFontSize()&& cr1.getColor() == cr2.getColor())
        {
            flag = true;
        }
        return flag;
    }

    /*** 字体颜色模块start ********/
    public static int red(int c) {  
        return c & 0XFF;  
    }  

    public static int green(int c) {  
        return (c >> 8) & 0XFF;  
    }  

    public static int blue(int c) {  
        return (c >> 16) & 0XFF;  
    }  

    public static int rgb(int c) {  
        return (red(c) << 16) | (green(c) << 8) | blue(c);  
    }  

    public static String rgbToSix(String rgb) {  
        int length = 6 - rgb.length();  
        String str = "";  
        while (length > 0) {  
            str += "0";  
            length--;  
        }  
        return str + rgb;  
    }  


    public static String getHexColor(int color) {  
        color = color == -1 ? 0 : color;  
        int rgb = rgb(color);  
        return "#" + rgbToSix(Integer.toHexString(rgb));  
    }  
    /** 字体颜色模块end ******/

    /**
     * 写文件
     *
     * @param s
     */
    public static void writeFile(String s) {
        FileOutputStream fos = null;
        BufferedWriter bw = null;
        PrintWriter writer = null;
        try {
            File file = new File(htmlFile);
            fos = new FileOutputStream(file);
            bw = new BufferedWriter(new OutputStreamWriter(fos));
            bw.write(s);
            bw.close();
            fos.close();
            //编码转换
            writer = new PrintWriter(file, "GB2312");
            writer.write(s);
            writer.flush();
            writer.close();
        } catch (FileNotFoundException fnfe) {
            fnfe.printStackTrace();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }

    }

    /**
     * 分析html
     * @param s
     */
    public static void analysisHtmlString(String s){

        String q[] = s.split("<br/>");

        LinkedList<String> list = new LinkedList<String>();

        //清除空字符
        for (int i = 0; i < q.length; i++) {
            if(StringUtils.isNotBlank(q[i].toString().replaceAll("</?[^>]+>","").trim())){

                list.add(q[i].toString().trim());
            }
        }
        String[] result = {};
        String ws[]=list.toArray(result);
        int singleScore = 0;
        int multipleScore = 0;
        int fillingScore = 0;
        int judgeScore = 0;
        int askScore = 0;
        int singleNum = 0;
        int multipleNum = 0;
        int fillingNum = 0;
        int judgeNum = 0;
        int askNum = 0;
        /***********试卷基础数据赋值*********************/
        for (int i = 0; i < ws.length; i++) {
            String delHtml=ws[i].toString().replaceAll("</?[^>]+>","").trim();//去除html
            if(delHtml.contains("、单选题")){
                String numScore=numScore(delHtml);
                singleNum= Integer.parseInt(numScore.split(",")[0]) ;
                singleScore=Integer.parseInt(numScore.split(",")[1]) ;
            }else if(delHtml.contains("、多择题")){
                String numScore=numScore(delHtml);
                multipleNum= Integer.parseInt(numScore.split(",")[0]) ;
                multipleScore=Integer.parseInt(numScore.split(",")[1]) ;
            }else if(delHtml.contains("、填空题")){
                String numScore=numScore(delHtml);
                fillingNum= Integer.parseInt(numScore.split(",")[0]) ;
                fillingScore=Integer.parseInt(numScore.split(",")[1]) ;
            }else if(delHtml.contains("、判断题")){
                String numScore=numScore(delHtml);
                judgeNum= Integer.parseInt(numScore.split(",")[0]) ;
                judgeScore=Integer.parseInt(numScore.split(",")[1]) ;
            }else if(delHtml.contains("、问答题")){
                String numScore=numScore(delHtml);
                askNum= Integer.parseInt(numScore.split(",")[0]) ;
                askScore=Integer.parseInt(numScore.split(",")[1]) ;
            }

        }
        /**************word试卷数据模型化****************/
        List<Map<String, Object>> bigTiMaps = new ArrayList<Map<String,Object>>();
        List<Map<String, Object>> smalMaps = new ArrayList<Map<String,Object>>();
        List<Map<String, Object>> sleMaps = new ArrayList<Map<String,Object>>();
        String htmlText="";
        int smalScore=0;
        for (int j = ws.length-1; j>=0; j--) {
            String html= ws[j].toString().trim();//html格式
            String delHtml=ws[j].toString().replaceAll("</?[^>]+>","").trim();//去除html
            if(!isSelecteTitele(delHtml)&&!isTitele(delHtml)&&!isBigTilete(delHtml)){//无
                if(isTitele(delHtml)){
                    smalScore=itemNum(delHtml);
                }
                htmlText=html+htmlText;
            }else if(isSelecteTitele(delHtml)){//选择题选择项
                Map<String, Object> sleMap = new HashMap<String, Object>();//选择题选择项
                sleMap.put("seleteItem", delHtml.substring(0, 1));
                sleMap.put("seleteQuest", html+htmlText);
                sleMaps.add(sleMap);
            }else if(isTitele(delHtml)){//小标题
                Map<String, Object> smalMap = new HashMap<String, Object>();//小标题
                smalMap.put("smalTilete", html+htmlText);
                smalMap.put("smalScore", smalScore>0?smalScore+"":itemNum(delHtml)+"");
                smalMap.put("sleMaps", sleMaps);
                smalMaps.add(smalMap);
            }else if(isBigTilete(delHtml)){//大标题
                Map<String, Object> bigTiMap = new HashMap<String, Object>();//大标题
                bigTiMap.put("bigTilete", delHtml.substring(2, 5));
                bigTiMap.put("smalMaps", smalMaps);
                bigTiMaps.add(bigTiMap);
            }    

        }
        //System.out.println(bigTiMaps.toString());
    }

    //获取大题-题目数量以及题目总计分数
    public static String numScore(String delHtml){

        String regEx="[^0-9+,|,+^0-9]";   
        Pattern p = Pattern.compile(regEx);   
        Matcher m = p.matcher(delHtml);
        String s=m.replaceAll("").trim();
        if(StringUtils.isNotBlank(s)){
            if(s.contains(",")){
                return s;
            }else if(s.contains(",")){
                return s.replace(",", ",");
            }else{
                return "0,0";
            }
        }else{
            return "0,0";
        }

    }
    //获取每小题分数
    public static int itemNum(String delHtml){
        Pattern pattern = Pattern.compile("((.*?))"); //中文括号
        Matcher matcher = pattern.matcher(delHtml);
        if (matcher.find()&&isNumeric(matcher.group(1))){
            return Integer.parseInt(matcher.group(1));
        }else {
            return 0;
        }
    }
    //判断Str是否是 数字
    public static boolean isNumeric(String str){
        Pattern pattern = Pattern.compile("[0-9]*");
        return pattern.matcher(str).matches();    
    }
    //判断Str是否存在小标题号
    public static boolean isTitele(String str){
        Pattern pattern = Pattern.compile("^([\\d]+[-\\、].*)");
        return pattern.matcher(str).matches();
    }
    //判断Str是否是选择题选择项
    public static boolean isSelecteTitele(String str){
        Pattern pattern = Pattern.compile("^([a-zA-Z]+[-\\:].*)");
        return pattern.matcher(str).matches();
    }
    //判断Str是否是大标题
    public static boolean isBigTilete(String str){
        boolean iso= false ;
        if(str.contains("一、")){
            iso=true;
        }else if(str.contains("二、")){
            iso=true;
        }else if(str.contains("三、")){
            iso=true;
        }else if(str.contains("四、")){
            iso=true;
        }else if(str.contains("五、")){
            iso=true;
        }else if(str.contains("六、")){
            iso=true;
        }else if(str.contains("七、")){
            iso=true;
        }else if(str.contains("八、")){
            iso=true;
        }
        return iso;
    }
}

文章出自:http://www.cnblogs.com/libaoting/p/wordToMap.html
后期我会在该代码基础上,实现扩展,例如将其转换成一个List<Question>