csharp 例如-CSHARP-GroupDocs.Search.Examples.CSharp-CustomFieldExtractor-Customfieldextractor.cs

Posted 2021-05-12

// For complete examples and data files, please go to https://github.com/atirtahirgroupdocs/GroupDocs.Search-for-.NET
class CustomFieldExtractor : IFieldExtractor
{
    public string[] Extensions
    {
        //redefine internal field extractor
        get { return new[] {".doc", ".doc"}; }
        //extractor for supporting new document format
        //get { return new[] { ".ext1", ".ext2" }; }
    }

    public FieldInfo[] GetFields(string fileName)
    {
        FieldInfo[] result = new FieldInfo[4];
        result[0] = new FieldInfo("Content", "Hardcoded document content");
        result[1] = new FieldInfo("DocumentType", "MyDocumentType");
        result[2] = new FieldInfo("Author", "Hardcoded author");
        result[3] = new FieldInfo("CreationDate", "21.05.2004");
        return result;
    }
}