平常项目中遇到需要将word转换为pdf,我们一般利用的是jacob.jar组件,这个组件利用的是微软office组件,但有时项目需要部署到liunx下,liunx中没有office,我们可以利用apache poi实现这一功能。
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 org.apache.commons.collections.MapUtils;
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 org.slf4j.LoggerFactory;
import fr.opensagres.xdocreport.utils.StringUtils;
/**
* @author Rocca
*
*/
public class WordPdfUtils {
protected static final Logger logger = LoggerFactory.getLogger(WordPdfUtils.class);
public static void main(String[] args) throws Exception{
String filepath = "E:/Spring_Security_安全权限管理手册.docx";
String outpath = "E:/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);
}
/**
* 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);
}
/** 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);
}
}
}
}
}
}