poi读doc图片 https://my.oschina.net/DemonCry/blog/761526
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// 导出图片，将图片替换为标签，与导处图片对应 import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.text.DecimalFormat; 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; public class ReplaceDocPicToIndex { public static String writeStr=""; public static int picIndex=0; /** * @param args * @throws Exception */ public static void main(String[] args) throws Exception { File srcFile = new File("f://美术类_色彩.doc"); File desFile = new File("f://aaa/aaa.doc"); String picsDir="f://aaa/pic"; InputStream is = new FileInputStream(srcFile); replacePicToindex(is, picsDir, desFile); } //将图片替换为${index} public static void replacePicToindex(InputStream is,String picsDir,File desFile) throws Exception{ HWPFDocument doc = new HWPFDocument(is); int length = doc.characterLength(); PicturesTable picTable = doc.getPicturesTable(); for(int i=0;i<length-1;i++){ Range range = new Range(i,i+1,doc); CharacterRun charRun = range.getCharacterRun(0); if(picTable.hasPicture(charRun)){ readPic(picTable, charRun,picsDir); }else{ writeStr+=charRun.text(); }; } System.out.println(writeStr); // FileUtils.writeStringToFile(desFile, writeStr, "utf-8"); } //导出图片 public static void readPic(PicturesTable picTable,CharacterRun charRun,String picsDir) throws Exception{ DecimalFormat fmt = new DecimalFormat("0000"); String index = fmt.format((++picIndex)); Picture pic = picTable.extractPicture(charRun, false); OutputStream out = new FileOutputStream(new File(picsDir+"/" + index + ".png")); pic.writeImageContent(out); writeStr += "${" + index + "}"; } } |
