[英]Convert pdf to html with Aspose.Pdf for Cloud
我在使用Aspose.Pdf-Cloud v1.0.9將pdf轉換為html時遇到問題。
碼:
public byte[] ConvertPdfToHtml(byte[] doc, string fileName)
{
var pdfApi = new PdfApi(ConfigurationManager.AppSettings["AsposeKey"],
ConfigurationManager.AppSettings["AsposeSID"], ConfigurationManager.AppSettings["AsposeUrl"]);
try
{
var apiResponse = pdfApi.PutConvertDocument("html", null,
Path.GetFileNameWithoutExtension(fileName) + ".html", doc);
if (apiResponse != null && apiResponse.Status.Equals("Ok"))
{
return apiResponse.ResponseStream;
}
throw new Exception("Couldn't convert pdf - " + fileName + " to HTML...");
}
catch (Exception ex)
{
NLogger.LogError("ConvertPdfToHtml - " + ex);
throw;
}
}
看來,無論我上傳了什么內容(Adobe,selectPdf),我都會收到400錯誤的請求。 有人有運氣可以工作嗎?
到目前為止,Aspose.Words對於doc / docx到html的工作對我來說非常有用。
更新:登錄帳戶后,似乎在后台生成了一個錯誤:
錯誤:方法或操作未實現。方法:將文檔轉換為在線指定的格式。參數:format'html',url'',outPath'testadobe.html'
這可能是aspose sdk問題,我將嘗試與他們聯系,因為該方法在sdk上公開,並且與文檔完全符合我的要求,也需要它與pdf一起使用。
更新的代碼:
public byte[] ConvertPdfToHtml(byte[] doc, string fileName)
{
var pdfApi = new PdfApi(ConfigurationManager.AppSettings["AsposeKey"],
ConfigurationManager.AppSettings["AsposeSID"], ConfigurationManager.AppSettings["AsposeUrl"]);
var storageApi = new StorageApi(ConfigurationManager.AppSettings["AsposeKey"],
ConfigurationManager.AppSettings["AsposeSID"], ConfigurationManager.AppSettings["AsposeUrl"]);
try
{
storageApi.PutCreate(fileName, "", "", doc);
var apiResponse = pdfApi.GetDocumentWithFormat(fileName, "html", "", "", Path.GetFileNameWithoutExtension(fileName) + ".html");
if (apiResponse != null && apiResponse.Status.Equals("Ok"))
{
var storageRes = storageApi.GetDownload(Path.GetFileNameWithoutExtension(fileName) + ".html", null, "");
var htmlDoc = ZipExtractor.ExtractHtmlFromZip(storageRes.ResponseStream,
Path.GetFileNameWithoutExtension(fileName) + ".html");
return htmlDoc;
}
throw new Exception("Couldn't convert pdf - " + fileName + " to HTML...");
}
catch (Exception ex)
{
NLogger.LogError("ConvertPdfToHtml - " + ex);
throw;
}
}
后代的解壓縮功能:
public static byte[] ExtractHtmlFromZip(byte[] zipBytes, string fileName)
{
var zipStream = new MemoryStream(zipBytes);
if(zipStream == null) throw new NullReferenceException("zipStream doesn't contain any bytes...");
var archive = new ZipArchive(zipStream);
foreach (var zipEntry in archive.Entries)
{
if (zipEntry.FullName == fileName)
{
var fileStream = zipEntry.Open();
using (var ms = new MemoryStream())
{
fileStream.CopyTo(ms);
var bytes = ms.ToArray();
return bytes;
}
}
throw new FileNotFoundException("Couldn't find " + fileName + " in zip archive...");
}
throw new Exception("Oops... looks like this should've never been reached in ExtractHtmlFromZip");
}
我們有兩個API將PDF文檔轉換為HTML。
我建議您使用第一個。 以下cURL示例將幫助您理解API。
curl -v "http://api.aspose.cloud/v1.1/pdf/Sample.pdf?format=html&appSID=B01A15E5-1B83-4B9A-8EB3-0F2BFA6AC766&signature=hHUw2HKmLY6tQFEevDg52uOLKak" \
-X GET \
-H "Content-Type: application/json" \
-H "Accept: multipart/form-data" \
-o Sample_out.zip
如您所見,我將輸出(-o)文件擴展名設置為.zip,而不是.html,原因是轉換后的文件包含多個文件(.html,.css,圖像文件),因此API將輸出文件。
此cURL示例使用Sample.pdf作為資源文件。
PS:我與Aspose合作擔任開發人員。
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