iTextSharp读取PDF(一)_itextsharp 读取

itextsharp-all-5.1.2.zip下载地址点击下载 引入itextsharp.dll

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using iTextSharp;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.xml;
 
namespace PDFR
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        
 
        //退出程序的按钮
 
        private void button2_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
 
        //开始运行程序的按钮
        private void button1_Click(object sender, EventArgs e)
        {
            string pdfStr = readPDF(文件名);
            System.IO.File.WriteAllText(文件名, pdfStr);