通过java程序将word转化为pdf - 底层开发

这种方式对表格的支持不是特别好

import java.io.FileInputStream;

import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.itextpdf.text.BaseColor;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfWriter;
import org.apache.commons.collections.MapUtils;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.extractor.WordExtractor;
import org.apache.poi.hwpf.usermodel.Range;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.xwpf.converter.pdf.PdfConverter;
import org.apache.poi.xwpf.converter.pdf.PdfOptions;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import org.apache.poi.xwpf.usermodel.XWPFTable;
import org.apache.poi.xwpf.usermodel.XWPFTableCell;
import org.apache.poi.xwpf.usermodel.XWPFTableRow;
import org.slf4j.Logger;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import org.slf4j.LoggerFactory;
import fr.opensagres.xdocreport.utils.StringUtils;
import java.util.Map.Entry;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.hwpf.usermodel.Range;
import org.apache.poi.POIXMLDocument;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import org.apache.poi.openxml4j.opc.OPCPackage;
public class WordPdfUtils {
protected static final Logger logger = LoggerFactory.getLogger(WordPdfUtils.class);
public static void main(String[] args) throws Exception{
String filepath = "C:/Users/Rocca/Desktop/vork/xxx.docx";
String outpath = "F:/test.pdf";
InputStream source = new FileInputStream(filepath);
OutputStream target = new FileOutputStream(outpath);
Map<String, String> params = new HashMap<String, String>();
PdfOptions options = PdfOptions.create();
wordConverterToPdf(source, target, options, params);
}

/**
* 将word文档，转换成pdf, 中间替换掉变量
* @param source 源为word文档，必须为docx文档
* @param target 目标输出
* @param params 需要替换的变量
* @throws Exception
*/
public static void wordConverterToPdf(InputStream source, OutputStream target, Map<String, String> params) throws Exception {
wordConverterToPdf(source, target, null, params);
}
public static void wordConverter2003ToPdf(InputStream source, OutputStream target,
PdfOptions options,
Map<String, String> params) throws Exception {
POIFSFileSystem fs = null;
Document document = new Document();
try {
fs = new POIFSFileSystem(source);
HWPFDocument doc = new HWPFDocument(fs);
WordExtractor we = new WordExtractor(doc);
String text2003 =we.getText();
PdfWriter writer = PdfWriter.getInstance(document, target);
Range range = doc.getRange();
document.open();
writer.setPageEmpty(true);
document.newPage();
String[] paragraphs = we.getParagraphText();
BaseFont baseFont = BaseFont.createFont("C:/windows/fonts/simsun.ttc,1", BaseFont.IDENTITY_H,BaseFont.NOT_EMBEDDED);
Font font = new Font(baseFont, 14, Font.NORMAL);
//font.setFamily("Droid Sans");
for (int i = 0; i < paragraphs.length; i++) {
org.apache.poi.hwpf.usermodel.Paragraph pr = range.getParagraph(i);
// CharacterRun run = pr.getCharacterRun(i);
// run.setBold(true);
// run.setCapitalized(true);
// run.setItalic(true);
paragraphs[i] = paragraphs[i].replaceAll("\\cM?\r?\n", "");
System.out.println("Length:" + paragraphs[i].length());
System.out.println("Paragraph" + i + ": " + paragraphs[i].toString());

// add the paragraph to the document
document.add(new Paragraph(paragraphs[i],font));
}

}catch (Exception e) {
e.printStackTrace();
}finally {
document.close();
}

}
/**
* 将word文档，转换成pdf, 中间替换掉变量
* @param source 源为word文档，必须为docx文档
* @param target 目标输出
* @param params 需要替换的变量
* @param options PdfOptions.create().fontEncoding( "windows-1250" ) 或者其他
* @throws Exception
*/
public static void wordConverterToPdf(InputStream source, OutputStream target,
PdfOptions options,
Map<String, String> params) throws Exception {
XWPFDocument doc = new XWPFDocument(source);
paragraphReplace(doc.getParagraphs(), params);
for (XWPFTable table : doc.getTables()) {
for (XWPFTableRow row : table.getRows()) {
for (XWPFTableCell cell : row.getTableCells()) {
paragraphReplace(cell.getParagraphs(), params);
}
}
}
PdfConverter.getInstance().convert(doc, target, options);
}
public static void searchAndReplace(String srcPath, String destPath,Map<String, String> map) {
try {
OPCPackage pack = POIXMLDocument.openPackage(srcPath);
XWPFDocument doc = new XWPFDocument(pack);
List<XWPFParagraph> paragraphs = doc.getParagraphs();
for (XWPFParagraph tmp : paragraphs) {
//System.out.println(tmp.getParagraphText());
List<XWPFRun> runs = tmp.getRuns();
for (XWPFRun r : runs) {
System.out.println("XWPFRun-Text:" + r.getText(0));
for (Entry<String, String> e : map.entrySet()) {
if (r.getText(0).equals(e.getKey())) {
r.setText(map.get(r.getText(0)),0);
}
}

}
}

FileOutputStream fos = new FileOutputStream(destPath);
doc.write(fos);
fos.flush();
fos.close();
} catch (Exception e) {
e.printStackTrace();
}

}
/** 替换段落中内容 */
private static void paragraphReplace(List<XWPFParagraph> paragraphs, Map<String, String> params) {
if (MapUtils.isNotEmpty(params)) {
for (XWPFParagraph p : paragraphs){
for (XWPFRun r : p.getRuns()){
String content = r.getText(r.getTextPosition());
logger.info(content);
if(StringUtils.isNotEmpty(content) && params.containsKey(content)) {
r.setText(params.get(content), 0);
}
}
}
}
}

}

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