施用POI的hwpf操作word乱码

public void testWord(String file,String newPath) {        //File file = new File(fileString);        try {            FileInputStream in = new FileInputStream(file);            POIFSFileSystem pfs = new POIFSFileSystem(in);            HWPFDocument hwpf = new HWPFDocument(pfs);            Range range = hwpf.getRange();            StyleSheet styleSheet = hwpf.getStyleSheet();            TableIterator it = new TableIterator(range);            // 遍历一个DOC中的所有表格            while (it.hasNext()) {                Table tb = (Table) it.next();                // 遍历表格的行                for (int i = 0; i < tb.numRows(); i++) {                    TableRow tr = tb.getRow(i);                    // 遍历表格的列                    for (int j = 0; j < tr.numCells(); j++) {                        // 往表格中插入数据                        TableCell td = tr.getCell(j);                        String text = "哈哈，输入中文";                        int p = td.numParagraphs();                        Paragraph para = td.getParagraph(p);                        ParagraphProperties pp = new ParagraphProperties();                        if(j%2==0){                            para.insertBefore(text);                        }                    }                }            }            // 在表格外面插入内容            CharacterProperties cp = new CharacterProperties();            cp.setBold(true);            cp.setCharacterSpacing(10);            cp.setChse(cp.SPRM_CHARSCALE);            cp.setCapitalized(true);            File outputFile = new File(newPath);            OutputStream output = new FileOutputStream(outputFile);            hwpf.write(output);            output.close();                    } catch (Exception ex) {            ex.printStackTrace();        }    }