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poi 读取word 遍历表格和单元格中的图片

2019年06月08日  | 移动技术网IT编程  | 我要评论

背景

项目需要解析word表格

  • 需要批量导入系统，并保存每行信息到数据库
  • 并且要保存word中的图片，
  • 并保持每条信息和图片的对应关系
  • 一行数据可能有多条图片

解决办法

没有找到现成的代码，怎么办呐？看源码吧

分享快乐

给出代码

package com.util;

import org.apache.poi.xwpf.usermodel.*;
import org.jeecgframework.core.common.model.json.ajaxjson;
import org.jeecgframework.poi.word.entity.myxwpfdocument;
import org.jeecgframework.poi.word.parse.excel.excelentityparse;
import org.slf4j.logger;
import org.slf4j.loggerfactory;

import javax.imageio.stream.fileimageoutputstream;
import java.io.*;
import java.util.iterator;
import java.util.list;

public class wordimportutil {
    private static final logger logger = loggerfactory.getlogger(wordimportutil.class);

    public static myxwpfdocument getxwpfdocumen(inputstream is) {
        try {

            myxwpfdocument doc = new myxwpfdocument(is);
            return doc;
        } catch (exception e) {
            logger.error(e.getmessage(), e);
        } finally {
            try {
                is.close();
            } catch (exception e) {
                logger.error(e.getmessage(), e);
            }
        }
        return null;
    }

    public static ajaxjson parsethistable(myxwpfdocument doc){
        iterator<xwpftable> ittable = doc.gettablesiterator();
        xwpftable table;
        while (ittable.hasnext()) {
            table = ittable.next();

            xwpftablerow row;
            list<xwpftablecell> cells;
            object listobj;

            excelentityparse excelentityparse = new excelentityparse();
            for (int i = 0; i < table.getnumberofrows(); i++) {
                if(i ==0)
                    continue;
                row = table.getrow(i);
                cells = row.gettablecells();
                for (int j = 0; j < cells.size(); j++) {
                    xwpftablecell cell = cells.get(j);
                    if(j == 10){
                        getcellimage(cell);
                    }

                    //输出当前的单元格的数据
                    system.out.print(cell.gettext() + "\t");
                }

            }

        }
        return null;
    }

    public static  string getcellimage(xwpftablecell cell){
        list<xwpfparagraph> xwpfparagraphs =  cell.getparagraphs();
        if(xwpfparagraphs == null) return null;
        for(xwpfparagraph xwpfparagraph:xwpfparagraphs){
            list<xwpfrun> xwpfrunlist = xwpfparagraph.getruns();
            if(xwpfrunlist==null) return null;
            for(xwpfrun xwpfrun:xwpfrunlist){
                list<xwpfpicture> xwpfpicturelist =  xwpfrun.getembeddedpictures();
                if(xwpfparagraph==null) return null;
                for(xwpfpicture xwpfpicture:xwpfpicturelist){
                    xwpfpicture.getpicturedata().getdata();
                    xwpfpicture.getpicturedata().getfilename();
                    byte2image( xwpfpicture.getpicturedata().getdata(),"d:/"+ xwpfpicture.getpicturedata().getfilename());
                }
            }
        }
        return "";
    }

    public static  void byte2image(byte[] data,string path){
        if(data.length<3||path.equals("")) return;
        fileimageoutputstream imageoutput = null;
        try{
            imageoutput = new fileimageoutputstream(new file(path));
            imageoutput.write(data, 0, data.length);
            system.out.println("make picture success,please find image in " + path);
        } catch(exception ex) {
            system.out.println("exception: " + ex);
            ex.printstacktrace();
        }finally {
            try {
                imageoutput.close();
            } catch (ioexception e) {
                e.printstacktrace();
            }
        }
    }

    public static void main(string[] args) throws exception{
        myxwpfdocument myxwpfdocument = getxwpfdocumen(new fileinputstream("d:/园艺作物加工副产物适宜性评价填写.docx"));
        parsethistable(myxwpfdocument);
    }

}

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