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[英]Ghostscript.Net doesn't working in Windows Server 2012 R2
[英]Ghostscript.NET pdf to image not working on windows azure
我試圖使用Ghostscript.NET將pdf第一頁轉換為圖像它在本地IIS上正常工作但在Azure Web應用程序上失敗並出現以下錯誤:
[GhostscriptException:無法為符號'gsapi_revision'創建導出函數的委托
Ghostscript.NET.GhostscriptLibrary.Initialize()+ 865
Ghostscript.NET.GhostscriptLibrary..ctor(GhostscriptVersionInfo version,Boolean fromMemory)+178
Ghostscript.NET.Interpreter.GhostscriptInterpreter..ctor(GhostscriptVersionInfo version,Boolean fromMemory)+48
Ghostscript.NET.Viewer.GhostscriptViewer.Open(String path,GhostscriptVersionInfo versionInfo,Boolean dllFromMemory)+75
Ghostscript.NET.Viewer.GhostscriptViewer.Open(Stream stream,GhostscriptVersionInfo versionInfo,Boolean dllFromMemory)+59
Ghostscript.NET.Rasterizer.GhostscriptRasterizer.Open(Stream stream,GhostscriptVersionInfo versionInfo,Boolean dllFromMemory)+40
VirtualWindow.Dropzone.Pages.Home.btnUpload_Click(Object sender,EventArgs e)+270
System.Web.UI.WebControls.Button.OnClick(EventArgs e)+116
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument)+108
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument)+12
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl,String eventArgument)+15
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)+31 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint,Boolean includeStagesAfterAsyncPoint)+3582
我的代碼如下
protected void btnUpload_Click(object sender, EventArgs e)
{
if (fileUpload.HasFile)
{
string ghostDllPath = HttpContext.Current.Server.MapPath("~/bin/External");
GhostscriptRasterizer rasterizer = null;
GhostscriptVersionInfo vesion = null;
if (Environment.Is64BitProcess)
vesion = new Ghostscript.NET.GhostscriptVersionInfo(new Version(0, 0, 0), ghostDllPath + @"\gsdll64.dll", string.Empty, Ghostscript.NET.GhostscriptLicense.GPL);
else
vesion = new Ghostscript.NET.GhostscriptVersionInfo(new Version(0, 0, 0), ghostDllPath + @"\gsdll32.dll", string.Empty, Ghostscript.NET.GhostscriptLicense.GPL);
using (rasterizer = new Ghostscript.NET.Rasterizer.GhostscriptRasterizer())
{
rasterizer.Open(fileUpload.PostedFile.InputStream, vesion, false);
if (rasterizer.PageCount > 0)
{
int dpi = 90;
System.Drawing.Image img = rasterizer.GetPage(dpi, dpi, 1);
using (MemoryStream ms = new MemoryStream())
{
string file = Guid.NewGuid().ToString() + ".png";
img.Save(ms, ImageFormat.Png);
Response.ContentType = "image/png";
byte[] data = ms.ToArray();
Response.OutputStream.Write(data, 0, data.Length);
Response.AddHeader("Content-Disposition", "attachment;filename=" + file);
Response.Flush();
}
}
rasterizer.Close();
}
}
}
我做錯了什么?
好的發現了這個問題。 包括路徑在內的所有內容都已正確設置。 我的網站托管在免費計划上,因此它被配置為32位環境。 我的本地環境是64位工作。 所以我gsdll32.dll
了gsdll32.dll
。 更新了azure,它也開始在azure上工作了。
問題是錯誤的gsdll32.dll
。
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