二维码生成程序(ThoughtWorks.QRCode)

【实例截图】

【核心代码】

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 ThoughtWorks.QRCode.Codec;

namespace 二维码程序
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            string link = "钢卷号：2051119881";
            CodeImage(link);
            pictureBox1.Image =Create_ImgCode (link,4);
           

        }
        /// <summary>

        /// 根据链接获取二维码

        /// </summary>

        /// <param name="link">链接</param>

        /// <returns>返回二维码图片</returns>

        private Bitmap GetDimensionalCode(string link)
        {

            Bitmap bmp = null;

            try
            {

                QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();


                qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;


                qrCodeEncoder.QRCodeScale = 4;


                //int version = Convert.ToInt16(cboVersion.Text);

                qrCodeEncoder.QRCodeVersion = 7;


                qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;


                bmp = qrCodeEncoder.Encode(link);

            }

            catch (Exception ex)
            {

                //MessageBox.Show("Invalid version !");

            }

            return bmp;

        }


         /// <summary>   
        /// 生成二维码图片   
        /// </summary>   
       /// <param name="codeNumber">要生成二维码的字符串</param>        
       /// <param name="size">大小尺寸</param>   
       /// <returns>二维码图片</returns>   
      public Image Create_ImgCode(string codeNumber, int size)  
       {  
           //创建二维码生成类   
            QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();  
          
            //设置编码模式   
            qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;  
            //设置编码测量度   
            qrCodeEncoder.QRCodeScale = size;  
            //设置编码版本   
           qrCodeEncoder.QRCodeVersion = 0;  
            //设置编码错误纠正   
            qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;  
            //生成二维码图片   
            System.Drawing.Bitmap image = qrCodeEncoder.Encode(codeNumber.ToString(), Encoding.UTF8);
            Image image1 = image;
            return image1;
            
      }
      public Bitmap CodeImage(string str)
      {
          //实例化一个生成二维码的对象
          QRCodeEncoder qrEncoder = new QRCodeEncoder();
          //设置二维码的编码模式
          qrEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
          //二维码像素宽度
          qrEncoder.QRCodeScale = 4;
          //设置版本
          qrEncoder.QRCodeVersion = 0;
          //根据内容生成二维码图像
          Bitmap image = qrEncoder.Encode(str, Encoding.UTF8);
          return image;

      }

      private void button1_Click(object sender, EventArgs e)
      {

      }  
    }
}