Class PdfExtractor

Information

Représente le plugin Documentize.PdfExtractor. Utilisé pour extraire du texte, des images, des données de formulaire, des propriétés (méta‑données) des documents PDF.

public static class PdfExtractor

Héritage

object ← PdfExtractor

Membres hérités

Méthodes

Extract(ExtractTextOptions)

Extract Text from PDF document.

public static string Extract(ExtractTextOptions options)

Paramètres

  • options ExtractTextOptions : Un objet d’options contenant les instructions pour l’opération.

Retour

string : Texte extrait.

Exemples

L’exemple montre comment extraire le contenu texte d’un fichier PDF.

// Create ExtractTextOptions object to set input file path
var options = new ExtractTextOptions("path_to_your_pdf_file.pdf");
// Perform the process and get the extracted text
var textExtracted = PdfExtractor.Extract(options);

L’exemple montre comment extraire le contenu texte d’un flux PDF.

// Create ExtractTextOptions object to set input stream
var stream = File.OpenRead("path_to_your_pdf_file.pdf");
var options = new ExtractTextOptions(stream);
// Perform the process and get the extracted text
var textExtracted = PdfExtractor.Extract(options);

L’exemple montre comment extraire le contenu texte d’un document PDF avec TextFormattingMode.

// Create ExtractTextOptions object to set input file path and TextFormattingMode
var options = new ExtractTextOptions("path_to_your_pdf_file.pdf", TextFormattingMode.Pure);
// Perform the process and get the extracted text
var textExtracted = PdfExtractor.Extract(options);

L’exemple montre comment extraire du texte d’un fichier PDF de la manière la plus concise possible.

// Perform the process and get the extracted text
var textExtracted = PdfExtractor.Extract(new ExtractTextOptions("path_to_your_pdf_file.pdf", TextFormattingMode.Pure));

Exceptions

ArgumentException
Si les options ne sont pas définies.

Extract(ExtractImagesOptions)

Extract images from PDF document.

public static ResultContainer Extract(ExtractImagesOptions options)

Paramètres

Retour

ResultContainer : Un objet contenant le résultat de l’opération.

Exemples

L’exemple montre comment extraire des images d’un document PDF.

// Create ExtractImagesOptions to set instructions
var options = new ExtractImagesOptions();
// Add input file path
options.AddInput(new FileData("path_to_your_pdf_file.pdf"));
// Set output Directory path
options.AddOutput(new DirectoryData("path_to_results_directory"));
// Perform the process
var results = PdfExtractor.Extract(options);
// Get path to image result
var imageExtracted = results.ResultCollection[0].ToFile();

L’exemple montre comment extraire des images d’un document PDF vers des flux sans dossier.

// Create ExtractImagesOptions to set instructions
var options = new ExtractImagesOptions();
// Add input file path
options.AddInput(new FileData("path_to_your_pdf_file.pdf"));
// Not set output - it will write results to streams
// Perform the process
var results = PdfExtractor.Extract(options);
// Get Stream
var ms = results.ResultCollection[0].ToStream();
// Copy data to file for demo
ms.Seek(0, SeekOrigin.Begin);
using (var fs = File.Create("test_file.png"))
{
    ms.CopyTo(fs);
}

Exceptions

ArgumentException
Si les options ne sont pas définies.

Extract(ExtractFormDataToDsvOptions)

Extract Form Data from PDF document.

public static ResultContainer Extract(ExtractFormDataToDsvOptions options)

Paramètres

Retour

ResultContainer : Un objet contenant le résultat de l’opération.

Exemples

L’exemple montre comment exporter les valeurs de formulaire vers un fichier CSV.

// Create ExtractFormDataToDsvOptions object to set instructions
var options = new ExtractFormDataToDsvOptions(',', true);
// Add input file path
options.AddInput(new FileData("path_to_your_pdf_file.pdf"));
// Set output file path
options.AddOutput(new FileData("path_to_result_csv_file.csv"));
// Perform the process
PdfExtractor.Extract(options);

L’exemple montre comment exporter les valeurs de formulaire vers un fichier TSV et définir les propriétés.

// Create ExtractFormDataToDsvOptions object to set instructions
var options = new ExtractFormDataToDsvOptions();
//Set Delimiter
options.Delimiter = '\t';
//Add Field Names to result
options.AddFieldName = true;
// Add input file path
options.AddInput(new FileData("path_to_your_pdf_file.pdf"));
// Set output file path
options.AddOutput(new FileData("path_to_result_csv_file.tsv"));
// Perform the process
PdfExtractor.Extract(options);

Exceptions

ArgumentException
Si les options ne sont pas définies.

Extract(ExtractPropertiesOptions)

Extract Properties from PDF document.

public static PdfProperties Extract(ExtractPropertiesOptions options)

Paramètres

Retour

PdfProperties : Un objet contenant le résultat de l’opération.

Exemples

L’exemple montre comment extraire les propriétés (FileName, Title, Author, Subject, Keywords, Created, Modified, Application, PDF Producer, Number of Pages) d’un fichier PDF.

// Create ExtractPropertiesOptions object to set input file
var options = new ExtractPropertiesOptions("path_to_your_pdf_file.pdf");
// Perform the process and get Properties
var pdfProperties = PdfExtractor.Extract(options);
var filename = pdfProperties.FileName;
var title = pdfProperties.Title;
var author = pdfProperties.Author;
var subject = pdfProperties.Subject;
var keywords = pdfProperties.Keywords;
var created = pdfProperties.Created;
var modified = pdfProperties.Modified;
var application = pdfProperties.Application;
var pdfProducer = pdfProperties.PdfProducer;
var numberOfPages = pdfProperties.NumberOfPages;

L’exemple montre comment extraire les propriétés (Title, Author, Subject, Keywords, Created, Modified, Application, PDF Producer, Number of Pages) d’un flux PDF.

// Create ExtractPropertiesOptions object to set input stream
var stream = File.OpenRead("path_to_your_pdf_file.pdf");
var options = new ExtractPropertiesOptions(stream);
// Perform the process and get Properties
var pdfProperties = PdfExtractor.Extract(options);
var title = pdfProperties.Title;
var author = pdfProperties.Author;
var subject = pdfProperties.Subject;
var keywords = pdfProperties.Keywords;
var created = pdfProperties.Created;
var modified = pdfProperties.Modified;
var application = pdfProperties.Application;
var pdfProducer = pdfProperties.PdfProducer;
var numberOfPages = pdfProperties.NumberOfPages;

L’exemple montre comment extraire les propriétés d’un fichier PDF de la manière la plus concise possible.

// Perform the process and get Properties
var pdfProperties = PdfExtractor.Extract(new ExtractPropertiesOptions("path_to_your_pdf_file.pdf"));

Exceptions

ArgumentException
Si les options ne sont pas définies.

Namespace : Documentize
Assembly : Documentize.dll

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