/// <summary>
/// 从S3下载并加上水印并返回下载地址
/// </summary>
/// <param name="keyName">S3文件名</param>
/// <param name="waterMarkName">水印文本名</param>
public static string ConverPDFByS3Download(string keyName, string waterMarkName)
{
var fileSuffix = Path.GetExtension(keyName);
var download = new AWSS3().DownloadObjectAsync(keyName);
var s3File = download.Result;
download.Wait();
string outPath = Path.Combine(Directory.GetCurrentDirectory(), @"temp");
if (!Directory.Exists(outPath))
{
Directory.CreateDirectory(outPath);
}
string outFilePath = Path.Combine(outPath, string.Format("{0}{1}.{2}", waterMarkName, Guid.NewGuid().ToString(), fileSuffix));
string domainPath = string.Format("{0}/temp/{1}{2}.{3}", Constants.domain, waterMarkName, Guid.NewGuid().ToString(), fileSuffix);
if (fileSuffix == ".pdf")
{
ConvertPDF.SetWatermark(s3File, outFilePath, waterMarkName);
}
else
{
StreamToFile(s3File, outFilePath);
}
return(domainPath);
}
/// <summary>
/// 从S3下载并加上水印并返回流
/// </summary>
/// <param name="keyName">S3文件名</param>
/// <param name="waterMarkName">水印文本名</param>
public static Stream ConverPDFByStream(string keyName, string waterMarkName)
{
var fileSuffix = Path.GetExtension(keyName);
var download = new AWSS3().DownloadObjectAsync(keyName);
var s3File = download.Result;
download.Wait();
if (fileSuffix == ".pdf")
{
return(ConvertPDF.SetWatermark(s3File, waterMarkName));
}
return(null);
}