利用ZXing生成条码二维码例子

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using ZXing.Common;
using ZXing;
using ZXing.QrCode;
using System.Windows.Forms;
using System.Text.RegularExpressions;

namespace BarCodePrint
{
    class BarCodeGenerate
    {
        ///<summary>
        ///生成条形码
        ///</summary>
        ///<paramname="pictureBox1"></param>
        ///<paramname="Contents"></param>
        public Bitmap CreateBarCodeBitMap(string Contents, int Width, int Height)
        {
            //Regex rg = new Regex("^[0-9]{12}$");
            //if (!rg.IsMatch(Contents))
            //{
            //    MessageBox.Show("本例子采用EAN_13编码，需要输入12位数字");
            //    return;
            //}

            EncodingOptions options = null;
            BarcodeWriter writer = null;
            options = new EncodingOptions
            {
                Width = Width,
                Height = Height
            };
            writer = new BarcodeWriter();
            writer.Format = BarcodeFormat.CODE_128;
            writer.Options = options;


            Bitmap bitmap = writer.Write(Contents);

            return bitmap;
        }



        ///<summary>
        ///生成条形码
        ///</summary>
        ///<paramname="pictureBox1"></param>
        ///<paramname="Contents"></param>
        public void CreateBarCode(PictureBox pictureBox1, string Contents)
        {
            //Regex rg = new Regex("^[0-9]{12}$");
            //if (!rg.IsMatch(Contents))
            //{
            //    MessageBox.Show("本例子采用EAN_13编码，需要输入12位数字");
            //    return;
            //}

            EncodingOptions options = null;
            BarcodeWriter writer = null;
            options = new EncodingOptions
            {
                Width = pictureBox1.Width,
                Height = pictureBox1.Height
            };
            writer = new BarcodeWriter();
            writer.Format = BarcodeFormat.CODE_128;
            writer.Options = options;

            Bitmap bitmap = writer.Write(Contents);
            pictureBox1.Image = bitmap;
        }




        ///<summary>
        ///生成二维码
        ///</summary>
        ///<paramname="pictureBox1"></param>
        ///<paramname="Contents"></param>
        public Bitmap CreateQRCode(string Contents, int Width, int Height)
        {
            if (Contents == string.Empty)
            {
                MessageBox.Show("输入内容不能为空！");

            }

            EncodingOptions options = null;
            BarcodeWriter writer = null;

            options = new QrCodeEncodingOptions
            {
                DisableECI = true,
                CharacterSet = "UTF-8",
                Width = Width,
                Height = Height
            };
            writer = new BarcodeWriter();
            writer.Format = BarcodeFormat.QR_CODE;
            writer.Options = options;


            Bitmap bitmap = writer.Write(Contents);
            return bitmap;
        }


        ///<summary>
        ///生成二维码
        ///</summary>
        ///<paramname="pictureBox1"></param>
        ///<paramname="Contents"></param>
        public void CreateQuickMark(PictureBox pictureBox1, string Contents)
        {
            if (Contents == string.Empty)
            {
                MessageBox.Show("输入内容不能为空！");
                return;
            }

            EncodingOptions options = null;
            BarcodeWriter writer = null;

            options = new QrCodeEncodingOptions
            {
                DisableECI = true,
                CharacterSet = "UTF-8",
                Width = pictureBox1.Width,
                Height = pictureBox1.Height
            };
            writer = new BarcodeWriter();
            writer.Format = BarcodeFormat.QR_CODE;
            writer.Options = options;


            Bitmap bitmap = writer.Write(Contents);
            pictureBox1.Image = bitmap;
        }

        ///<summary>
        ///解码
        ///</summary>
        ///<paramname="pictureBox1"></param>
        public void Decode(PictureBox pictureBox1)
        {
            BarcodeReader reader = new BarcodeReader();
            Result result = reader.Decode((Bitmap)pictureBox1.Image);
        }
    }
}