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   源码介绍

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     将任意字符串生成二维码图片

    

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using QRCodeHelper;
using QRCodeHelper.common;

namespace QRDemoTool
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {

            string sBinCodeInfo = string.Empty;

            sBinCodeInfo = textBox1.Text;

            if (string.IsNullOrWhiteSpace(sBinCodeInfo))
            {
                return;
            }

            try
            {
                MultiFormatWriter mutiWriter = new MultiFormatWriter();
                ByteMatrix bm = mutiWriter.encode(sBinCodeInfo, BarcodeFormat.QR_CODE, 200, 200);
                Bitmap img = bm.ToBitmap();
                pictureBox1.Image = img;

                //自动保存图片到当前目录
                //string filename = System.Environment.CurrentDirectory   "\\QR"   DateTime.Now.Ticks.ToString()   ".jpg";
                //img.Save(filename, System.Drawing.Imaging.ImageFormat.Jpeg);
                //lbshow.Text = "图片已保存到："   filename;

            }
            catch (Exception ee)
            { MessageBox.Show(ee.Message); }
        }
    }
}