Ganti Teks - Fasad

Ganti Teks dalam File PDF yang Ada

Untuk mengganti teks dalam file PDF yang ada, Anda perlu membuat objek dari kelas PdfContentEditor dan mengikat file PDF input menggunakan metode BindPdf. Setelah itu, Anda perlu memanggil metode ReplaceText. Anda perlu menyimpan file PDF yang diperbarui menggunakan metode Save dari kelas PdfContentEditor. Potongan kode berikut menunjukkan cara mengganti teks dalam file PDF yang ada.

.NET Core 3.1

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText01()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor object
    using (var editor = new Aspose.Pdf.Facades.PdfContentEditor())
    {
        // Bind PDF document
        editor.BindPdf(dataDir + "sample.pdf");
        editor.ReplaceText("Value", "Label");

        // Save PDF document
        editor.Save(dataDir + "PdfContentEditorDemo01_out.pdf");
    }
}

.NET 8

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText01()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor Object
    using var editor = new Aspose.Pdf.Facades.PdfContentEditor();

    // Bind PDF document
    editor.BindPdf(dataDir + "sample.pdf");
    editor.ReplaceText("Value", "Label");

    // Save PDF document
    editor.Save(dataDir + "PdfContentEditorDemo01_out.pdf");
}

Periksa bagaimana tampilannya dalam dokumen asli:

Ganti Teks

Dan periksa hasil setelah mengganti teks:

Hasil Penggantian Teks

Dalam contoh kedua, Anda akan melihat bagaimana, selain mengganti teks, Anda juga dapat meningkatkan atau mengurangi ukuran font:

.NET Core 3.1

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText02()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor object
    using (var editor = new Aspose.Pdf.Facades.PdfContentEditor())
    {
        // Bind PDF document
        editor.BindPdf(dataDir + "sample.pdf");
        editor.ReplaceText("Value", "Label", 12);

        // Save PDF document
        editor.Save(dataDir + "PdfContentEditorDemo02_out.pdf");
    }
}

.NET 8

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText02()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor object
    using var editor = new Aspose.Pdf.Facades.PdfContentEditor();

    // Bind PDF document
    editor.BindPdf(dataDir + "sample.pdf");
    editor.ReplaceText("Value", "Label", 12);

    // Save PDF document
    editor.Save(dataDir + "PdfContentEditorDemo02_out.pdf");
}

Untuk kemungkinan yang lebih canggih dalam bekerja dengan teks kami, kami akan menggunakan metode TextState. Dengan metode ini, kami dapat membuat teks menjadi tebal, miring, berwarna, dan sebagainya.

.NET Core 3.1

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText03()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor object
    using (var editor = new Aspose.Pdf.Facades.PdfContentEditor())
    {
        // Bind PDF document
        editor.BindPdf(dataDir + "sample.pdf");

        var textState = new Aspose.Pdf.Text.TextState
        {
            ForegroundColor = Aspose.Pdf.Color.Red,
            FontSize = 12,
        };

        editor.ReplaceText("Value", "Label", textState);

        // Save PDF document
        editor.Save(dataDir + "PdfContentEditorDemo03_out.pdf");
    }
}

.NET 8

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText03()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor object
    using var editor = new Aspose.Pdf.Facades.PdfContentEditor();

    // Bind PDF document
    editor.BindPdf(dataDir + "sample.pdf");

    var textState = new Aspose.Pdf.Text.TextState
    {
        ForegroundColor = Aspose.Pdf.Color.Red,
        FontSize = 12,
    };

    editor.ReplaceText("Value", "Label", textState);

    // Save PDF document
    editor.Save(dataDir + "PdfContentEditorDemo03_out.pdf");
}

Jika Anda perlu mengganti semua teks yang ditentukan dalam dokumen, gunakan potongan kode berikut. Artinya, penggantian teks akan terjadi di mana pun teks yang ditentukan untuk penggantian ditemukan, dan juga akan menghitung jumlah penggantian tersebut.

.NET Core 3.1

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText04()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor object
    using (var editor = new Aspose.Pdf.Facades.PdfContentEditor())
    {
        // Bind PDF document
        editor.BindPdf(dataDir + "sample.pdf");
        int count = 0;

        while (editor.ReplaceText("Value", "Label"))
        {
            count++;
        }

        Console.WriteLine($"{count} occurrences have been replaced.");

        // Save PDF document
        editor.Save(dataDir + "PdfContentEditorDemo04_out.pdf");
    }
}

.NET 8

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText04()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor object
    using var editor = new Aspose.Pdf.Facades.PdfContentEditor();

    // Bind PDF document
    editor.BindPdf(dataDir + "sample.pdf");
    int count = 0;

    while (editor.ReplaceText("Value", "Label"))
    {
        count++;
    }

    Console.WriteLine($"{count} occurrences have been replaced.");

    // Save PDF document
    editor.Save(dataDir + "PdfContentEditorDemo04_out.pdf");
}

Ganti semua Teks

Potongan kode berikut menunjukkan cara melakukan semua penggantian teks tetapi di halaman tertentu dari dokumen Anda.

.NET Core 3.1

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText05()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor object
    using (var editor = new Aspose.Pdf.Facades.PdfContentEditor())
    {
        // Bind PDF document
        editor.BindPdf(dataDir + "sample.pdf");
        int count = 0;

        while (editor.ReplaceText("9999", 2, "ABCDE"))
        {
            count++;
        }

        Console.WriteLine($"{count} occurrences have been replaced.");

        // Save PDF document
        editor.Save(dataDir + "PdfContentEditorDemo05_out.pdf");
    }
}

.NET 8

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText05()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor object
    using var editor = new Aspose.Pdf.Facades.PdfContentEditor();

    // Bind PDF document
    editor.BindPdf(dataDir + "sample.pdf");
    int count = 0;

    while (editor.ReplaceText("9999", 2, "ABCDE"))
    {
        count++;
    }

    Console.WriteLine($"{count} occurrences have been replaced.");

    // Save PDF document
    editor.Save(dataDir + "PdfContentEditorDemo05_out.pdf");
}

Dalam potongan kode berikut, kami akan menunjukkan cara mengganti, misalnya, angka tertentu dengan huruf yang kami butuhkan.

.NET Core 3.1

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText06()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor object
    using (var editor = new Aspose.Pdf.Facades.PdfContentEditor
           {
               ReplaceTextStrategy = new Aspose.Pdf.Facades.ReplaceTextStrategy
               {
                   IsRegularExpressionUsed = true,
                   ReplaceScope = Aspose.Pdf.Facades.ReplaceTextStrategy.Scope.ReplaceAll
               }
           })
    {
        // Bind PDF document
        editor.BindPdf(dataDir + "sample.pdf");
        editor.ReplaceText("\\d{4}", "ABCDE");

        // Save PDF document
        editor.Save(dataDir + "PdfContentEditorDemo06_out.pdf");
    }
}

.NET 8

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ReplaceText06()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();

    // Instantiate PdfContentEditor object
    using var editor = new Aspose.Pdf.Facades.PdfContentEditor
    {
        ReplaceTextStrategy = new Aspose.Pdf.Facades.ReplaceTextStrategy
        {
            IsRegularExpressionUsed = true,
            ReplaceScope = Aspose.Pdf.Facades.ReplaceTextStrategy.Scope.ReplaceAll
        }
    };

    // Bind PDF document
    editor.BindPdf(dataDir + "sample.pdf");
    editor.ReplaceText("\\d{4}", "ABCDE");

    // Save PDF document
    editor.Save(dataDir + "PdfContentEditorDemo06_out.pdf");
}

Ekstrak gambar dan ubah posisi cap Bekerja dengan Gambar menggunakan PdfContentEditor

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