C#读取PDF文档内容

using System.IO;
using System.Text;
using org.pdfbox.pdmodel;
using org.pdfbox.util;

namespace PDFReader
{
    class Program
    {
        public static void pdf2txt(FileInfo pdffile, FileInfo txtfile)
        {
            PDDocument doc = PDDocument.load(pdffile.FullName);
            PDFTextStripper pdfStripper = new PDFTextStripper();
            string text = pdfStripper.getText(doc);
            StreamWriter swPdfChange = new StreamWriter(txtfile.FullName, false, Encoding.GetEncoding("gb2312"));
            swPdfChange.Write(text);
            swPdfChange.Close();
        }
        static void Main(string[] args)
        {
            pdf2txt(new FileInfo(@"C:/Users/Susan/Desktop/完整稿__匆匆那年_九夜茴.pdf"), new FileInfo(@"C:/Users/Susan/Desktop/完整稿__匆匆那年_九夜茴.txt"));
        }
    }
}