Jak wyodrębniać dane z PDF w Java

5.1. Pobieranie danych z dokumentów PDF

Korzystając z IronPDF for Java, można łatwo wyodrębnić dane tekstowe z dokumentów PDF. Poniżej znajduje się przykładowy kod służący do wyodrębniania danych z pliku PDF.

Plik wejściowy PDF

// Import the necessary IronPDF package for working with PDF documents
import com.ironsoftware.ironpdf.PdfDocument;

import java.io.IOException;
import java.nio.file.Paths;

public class Main {
    public static void main(String[] args) throws IOException {
        // Load the PDF document from the specified file
        PdfDocument pdf = PdfDocument.fromFile(Paths.get("business plan.pdf"));

        // Extract all text from the PDF document
        String text = pdf.extractAllText();

        // Print the extracted text to the console
        System.out.println("Text extracted from the PDF: " + text);
    }
}

// Import the necessary IronPDF package for working with PDF documents
import com.ironsoftware.ironpdf.PdfDocument;

import java.io.IOException;
import java.nio.file.Paths;

public class Main {
    public static void main(String[] args) throws IOException {
        // Load the PDF document from the specified file
        PdfDocument pdf = PdfDocument.fromFile(Paths.get("business plan.pdf"));

        // Extract all text from the PDF document
        String text = pdf.extractAllText();

        // Print the extracted text to the console
        System.out.println("Text extracted from the PDF: " + text);
    }
}

Kod źródłowy generuje poniższy wynik:

> Text extracted from the PDF:
> 
> CRAFT-ARENA
> 
> Muhammad Waleed Butt
> 
> Hassan Khan
> 
> ABOUT US
> 
> Craft-Arena is a partnership based business that will help local crafters of Pakistan to sell their handicrafts at good prices and helps them earn a good living.

5.2. Pobieranie danych z adresów URL

IronPDF for Java konwertuje adres URL na plik PDF w czasie wykonywania i wyodrębnia z niego tekst. Ten przykład pokaże kod źródłowy służący do wyodrębniania tekstu z adresów URL.

// Import the necessary IronPDF package for working with PDF documents
import com.ironsoftware.ironpdf.PdfDocument;

import java.io.IOException;

public class Main {
    public static void main(String[] args) throws IOException {
        // Convert a URL to a PDF and load it into a PdfDocument
        PdfDocument pdf = PdfDocument.renderUrlAsPdf("https://ironpdf.com/java/");

        // Extract all text from the PDF document
        String text = pdf.extractAllText();

        // Print the extracted text to the console
        System.out.println("Text extracted from the URLs: " + text);
    }
}

// Import the necessary IronPDF package for working with PDF documents
import com.ironsoftware.ironpdf.PdfDocument;

import java.io.IOException;

public class Main {
    public static void main(String[] args) throws IOException {
        // Convert a URL to a PDF and load it into a PdfDocument
        PdfDocument pdf = PdfDocument.renderUrlAsPdf("https://ironpdf.com/java/");

        // Extract all text from the PDF document
        String text = pdf.extractAllText();

        // Print the extracted text to the console
        System.out.println("Text extracted from the URLs: " + text);
    }
}

Wyodrębnione dane ze stron internetowych

5.3. Wyodrębnianie danych z tabeli

Wyodrębnianie danych z tabel w pliku PDF za pomocą IronPDF for Java jest bardzo proste; Wystarczy plik PDF zawierający tabelę oraz uruchomienie poniższego kodu.

Przykładowa tabela w formacie PDF

// Import the necessary IronPDF package for working with PDF documents
import com.ironsoftware.ironpdf.PdfDocument;

import java.io.IOException;
import java.nio.file.Paths;

public class Main {
    public static void main(String[] args) throws IOException {
        // Load the PDF document from the specified file
        PdfDocument pdf = PdfDocument.fromFile(Paths.get("table.pdf"));

        // Extract all text from the PDF document, including table data
        String text = pdf.extractAllText();

        // Print the extracted table data to the console
        System.out.print("Text extracted from the Marked tables: " + text);
    }
}

// Import the necessary IronPDF package for working with PDF documents
import com.ironsoftware.ironpdf.PdfDocument;

import java.io.IOException;
import java.nio.file.Paths;

public class Main {
    public static void main(String[] args) throws IOException {
        // Load the PDF document from the specified file
        PdfDocument pdf = PdfDocument.fromFile(Paths.get("table.pdf"));

        // Extract all text from the PDF document, including table data
        String text = pdf.extractAllText();

        // Print the extracted table data to the console
        System.out.print("Text extracted from the Marked tables: " + text);
    }
}

> Test Case Description Expected Result Actual Result Status
> 
> 1 Test login functionality User should be able to log in with valid credentials
> 
> User log in successfully Pass
> 
> 2 Test search functionality Search results should be relevant and accurate
> 
> Search is accurate and provide relevant products Pass
> 
> 3 Test checkout process User should be able to complete a purchase successfully
> 
> User can purchase successfully Pass