C#生成二维码带图片

【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;



namespace QRCodeDone
{
    public partial class FrmQRCodeWriter : Form
    {


        #region 构造函数
        public FrmQRCodeWriter()
        {
            InitializeComponent();
        }
        #endregion

        #region 事件

        /// <summary>
        /// 加载窗体
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Form1_Load(object sender, EventArgs e)
        {
            //初始化文本款
            TxtStr1.Text = "输入姓名";
            TxtStr2.Text = "输入年龄";
            TxtStr3.Text = "输入性别";
        }

        /// <summary>
        /// 生成二维码
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnExcuteQRCode_Click(object sender, EventArgs e)
        {
            string str = null;//定义文本
            int width = 0;//二维码尺寸
            int height = 0;

            QRCodeHelper t1 = new QRCodeHelper();

            //文本读取
            str = TxtStr1.Text   TxtStr2.Text   TxtStr3.Text;
            //二维码尺寸
            width = this.pictureBoxQRCode.Width;
            height = this.pictureBoxQRCode.Height;
            //生成二维码
            this.pictureBoxQRCode.Image = t1.MakeDoneQRcode(str, width, height);
        }

        #endregion


    }
}