ExtractText

ExtractText()

使用 Unicode 编码从 Pdf 文档中提取文本。

public void ExtractText()

例子

第一个示例演示如何从 PDF 文件中提取所有文本。 第二个示例演示如何将每一页的文本提取到一个 txt 文件中。

PdfExtractor extractor = new PdfExtractor();
extractor.BindPdf(@"D:\Text\text.pdf");
extractor.ExtractText();
extractor.GetText(@"D:\Text\text.txt");

Dim extractor As PdfExtractor =  New PdfExtractor() 
extractor.BindPdf("D:\Text\text.pdf")
extractor.ExtractText()
extractor.GetText("D:\Text\text.txt")

PdfExtractor extractor = new PdfExtractor();
extractor.BindPdf(TestPath + @"Aspose.Pdf.Kit.Pdf");
extractor.ExtractText();
String prefix = TestPath + @"Aspose.Pdf.Kit";
String suffix = ".txt";
int pageCount = 1;
while (extractor.HasNextPageText())
{
    extractor.GetNextPageText(prefix + pageCount + suffix);
    pageCount++;
}

Dim extractor As PdfExtractor =  New PdfExtractor() 
extractor.BindPdf(TestPath + "Aspose.Pdf.Kit.Pdf")
extractor.ExtractText()
Dim prefix As String =  TestPath + "Aspose.Pdf.Kit" 
Dim suffix As String =  ".txt" 
Dim pageCount As Integer =  1 
While extractor.HasNextPageText()
    extractor.GetNextPageText(prefix + pageCount + suffix)
    pageCount = pageCount + 1
End While

也可以看看

ExtractText(Encoding)

使用指定的编码从 Pdf 文档中提取文本。

public void ExtractText(Encoding encoding)
范围类型描述
encodingEncoding提取文本的编码。

例子

第一个示例演示如何从 PDF 文件中提取所有文本。 第二个示例演示如何将每一页的文本提取到一个 txt 文件中。

PdfExtractor extractor = new PdfExtractor();
extractor.BindPdf(@"D:\Text\text.pdf");
extractor.ExtractText(Encoding.Unicode);
extractor.GetText(@"D:\Text\text.txt");

Dim extractor As PdfExtractor =  New PdfExtractor() 
extractor.BindPdf("D:\Text\text.pdf")
extractor.ExtractText(Encoding.Unicode)
extractor.GetText("D:\Text\text.txt")

PdfExtractor extractor = new PdfExtractor();
extractor.BindPdf(TestPath + @"Aspose.Pdf.Kit.Pdf");
extractor.ExtractText(Encoding.Unicode);
String prefix = TestPath + @"Aspose.Pdf.Kit";
String suffix = ".txt";
int pageCount = 1;
while (extractor.HasNextPageText())
{
    extractor.GetNextPageText(prefix + pageCount + suffix);
    pageCount++;
}

Dim extractor As PdfExtractor =  New PdfExtractor() 
extractor.BindPdf(TestPath + "Aspose.Pdf.Kit.Pdf")
extractor.ExtractText(Encoding.Unicode)
Dim prefix As String =  TestPath + "Aspose.Pdf.Kit" 
Dim suffix As String =  ".txt" 
Dim pageCount As Integer =  1 
While extractor.HasNextPageText()
    extractor.GetNextPageText(prefix + pageCount + suffix)
    pageCount = pageCount + 1
End While

也可以看看

ExtractImage GetAttachment