grails - Aspose:设置页面标题时看不到＆符之后的文本

Question

我在设置包含“＆”之类的网页标题文本时遇到了问题。 pdf中“＆”后的文本消失了，可能是因为它是 Aspose 中的保留键。我的代码如下所示:

 PageSetup pageSetup = workbook.getWorksheets().get(worksheetName).getPageSetup();
 //calling the function
  setHeaderFooter(pageSetup, parameters, criteria)

 //function for setting header and footer
 def setHeaderFooter(PageSetup pageSetup, parameters, criteria = [:])
    {
       def selectedLoa=getSelectedLoa(parameters)
       if(selectedLoa.length()>110){
        String firstLine = selectedLoa.substring(0,110);
        String secondLine = selectedLoa.substring(110);
        if(secondLine.length()>120){
            secondLine = secondLine.substring(0,122)+"...."
        }
        selectedLoa = firstLine+"\n"+secondLine.trim();
    }
    def periodInfo=getPeriodInfo(parameters, criteria)
    def reportingInfo=periodInfo[0]
    def comparisonInfo=periodInfo[1]
    def benchmarkName=getBenchmark(parameters)
    def isNonComparison = criteria.isNonComparison?
    criteria.isNonComparison:false

    def footerInfo="&BReporting Period:&B " + reportingInfo+"\n"
    if (comparisonInfo && !isNonComparison){
        footerInfo=footerInfo+"&BComparison Period:&B " +comparisonInfo+"\n"
    }
    if (benchmarkName){
        footerInfo+="&BBenchmark:&B "+benchmarkName
    }
   //where I encounterd the issue,selectedLoa contains string with ampersand
    pageSetup.setHeader(0, pageSetup.getHeader(0) + "\n&\"Lucida Sans,Regular\"&8&K02-074&BPopulation:&B "+selectedLoa)

    //Insertion of footer
    pageSetup.setFooter(0,"&\"Lucida Sans,Regular\"&8&K02-074"+footerInfo)
    def downloadDate = new Date().format("MMMM dd, yyyy")
    pageSetup.setFooter(2,"&\"Lucida Sans,Regular\"&8&K02-074" + downloadDate)

    //Insertion of logo
    try{
        def bucketName = parameters.containsKey('printedRLBucketName')?parameters.get('printedRLBucketName'):null
        def filePath = parameters.containsKey('printedReportLogo')?parameters.get('printedReportLogo'): null

        // Declaring a byte array
        byte[] binaryData

        if(!filePath || filePath.contains("null") || filePath.endsWith("null")){
            filePath = root+"/images/defaultExportLogo.png"
            InputStream is = new FileInputStream(new File(filePath))
            binaryData = is.getBytes()
        }else {
            AmazonS3Client s3client = amazonClientService.getAmazonS3Client()
            S3Object object = s3client.getObject(bucketName, filePath)

            // Getting the bytes out of input stream of S3 object
            binaryData = object.getObjectContent().getBytes()
        }

        // Setting the logo/picture in the right section (2) of the page header
        pageSetup.setHeaderPicture(2, binaryData);

        // Setting the script for the logo/picture
        pageSetup.setHeader(2, "&G");

        // Scaling the picture to correct size
        Picture pic = pageSetup.getPicture(true, 2);
        pic.setLockAspectRatio(true)
        pic.setRelativeToOriginalPictureSize(true)
        pic.setHeight(35)
        pic.setWidth(Math.abs(pic.getWidth() * (pic.getHeightScale() / 100)).intValue());
    }catch (Exception e){
        e.printStackTrace()
    }
}

在这种情况下，“＆”号消失后，我在pdf header 中仅获得“a”所有其他文本。请为我提供解决方案。我正在使用aspose 18.2

Answer 1

我们在带有以下代码段的PDF页面上添加了 header ，但 header 文本中包含“＆”号时，我们没有发现任何问题。

// open document
Document document = new Document(dataDir + "input.pdf");
// create text stamp
TextStamp textStamp = new TextStamp("a&bcdefg");
// set properties of the stamp
textStamp.setTopMargin(10);
textStamp.setHorizontalAlignment(HorizontalAlignment.Center);
textStamp.setVerticalAlignment(VerticalAlignment.Top);

// set text properties
textStamp.getTextState().setFont(new FontRepository().findFont("Arial"));
textStamp.getTextState().setFontSize(14.0F);
textStamp.getTextState().setFontStyle(FontStyles.Bold);
textStamp.getTextState().setFontStyle(FontStyles.Italic);
textStamp.getTextState().setForegroundColor(Color.getGreen());

// iterate through all pages of PDF file
for (int Page_counter = 1; Page_counter <= document.getPages().size(); Page_counter++) {
        // add stamp to all pages of PDF file
        document.getPages().get_Item(Page_counter).addStamp(textStamp);
}
// save output document
document.save(dataDir + "TextStamp_18.8.pdf");

请确保在您的环境中使用Aspose.PDF for Java 18.8。有关添加页面标题的更多信息，您可以访问 Add Text Stamp in the Header or Footer section。

如果您在添加标题时遇到任何问题，请通过Google云端硬盘，Dropbox等与我们分享您的代码段和生成的PDF文档，以便我们进行调查以帮助您。

PS :我与Aspose一起担任开发人员推广人员。