Como extrair dados de um PDF em Java

5.1. Extrair dados de documentos PDF

Utilizando o IronPDF for Java, você pode extrair facilmente dados de texto de documentos PDF. Abaixo está um exemplo de código para extrair dados de um arquivo PDF.

Entrada de 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);
    }
}

O código-fonte produz a saída apresentada abaixo:

> 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. Extrair dados de URLs

O IronPDF for Java converte a URL em PDF em tempo de execução e extrai o texto dela. Este exemplo mostrará o código-fonte para extrair texto de URLs.

// 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);
    }
}

Dados extraídos da página da Web

5.3. Extrair dados de dados de tabela

Extrair dados de tabelas de um PDF usando o IronPDF for Java é muito simples; Você só precisa de um PDF contendo uma tabela e executar o código abaixo.

Exemplo de entrada de tabela em 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