PDF转图片Ghostscript.NET

PDF转图片 Ghostscript.NET

public static void ConvertPdf2Img(string input, string outputPath, ref List<string> output, ref string status)
{GhostscriptJpegDevice dev &＃61; new GhostscriptJpegDevice();output &＃61; new List<string>();try{using (GhostscriptRasterizer ra &＃61; new GhostscriptRasterizer()){ra.Open(input);var cnt &＃61; ra.PageCount;for (int pageNumber &＃61; 1; pageNumber <&＃61; cnt; pageNumber&＃43;&＃43;){var pageFilePath &＃61; Path.Combine(outputPath, Guid.NewGuid().ToString() &＃43; ".jpg");var img &＃61; ra.GetPage(300, 300, pageNumber);img.Save(pageFilePath, ImageFormat.Jpeg);output.Add(pageFilePath);img.Dispose();}}}catch (Exception ex){status &＃61; ex.Message;dev &＃61; null/* TODO Change to default(_) if this is not a reference type */;}
}

List<Image> img &＃61; new List<Image>();foreach (string str in fileList)img.Add(Image.FromFile(str));


本地运行报错&＃xff0c;服务器上不报错&＃xff0c;将代码优化一下

//gsdll64.dll拷贝到项目版本
var _lastInstalledVersion &＃61; new GhostscriptVersionInfo($"{System.Environment.CurrentDirectory}\\gsdll64.dll");
_rasterizer.Open(inputPdfPath, _lastInstalledVersion, false);


测试时发现PDF文件名是包含中文时&＃xff0c;会抛出异常

// PDF转IMG时文件名包含中文
if(Regex.IsMatch(Path.GetFileName(fileName), &＃64;"[\u4e00-\u9fa5]"))
{newFilePath &＃61; Path.Combine(Path.GetDirectoryName(filePath), Guid.NewGuid().ToString & Path.GetExtension(filePath));File.Copy(oldfilePath, newFilePath);
}