SunlightAggregationManager/View/imgQR.xaml.cs

using Net.Codecrete.QrCodeGenerator;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Media.TextFormatting;
using System.Windows.Navigation;
using System.Windows.Shapes;
using static System.Net.WebRequestMethods;

namespace SunlightAggregationManager.View
{
    /// <summary>
    /// StatePage.xaml 的交互逻辑
    /// </summary>
    public partial class imgQR : UserControl
    {
        //调用配置文件
        private readonly UserClass.IniFile.IniFiles Configini = new UserClass.IniFile.IniFiles(Convert.ToString(System.AppDomain.CurrentDomain.BaseDirectory) + "Configini.ini");


        public imgQR()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 生成二维码
        /// 调用示例：  imgQR_CREATE("TEST", imgQR);;
        /// </summary>
        /// <param name="data">[字符串]</param>
        /// <param name="Image">Image控件</param>
        void imgQR_CREATE(string DAT, System.Windows.Controls.Image image)
        {           
            // 生成二维码对象
            QrCode qr = QrCode.EncodeText(DAT, QrCode.Ecc.Medium);

            // 手动绘制 Bitmap (不使用扩展方法)
            int scale = 10;      // 每个点的像素大小
            int border = 4;      // 边距
            int size = (qr.Size + border * 2) * scale;
            // 创建位图
            using (Bitmap bmp = new Bitmap(size, size))
            {
                using (Graphics gfx = Graphics.FromImage(bmp))
                {
                    // 填充背景（白色）
                    gfx.Clear(System.Drawing.Color.White);

                    // 绘制二维码点阵（黑色）
                    using (System.Drawing.Brush brush = new SolidBrush(System.Drawing.Color.Black))
                    {
                        for (int y = 0; y < qr.Size; y++)
                        {
                            for (int x = 0; x < qr.Size; x++)
                            {
                                if (qr.GetModule(x, y))
                                {
                                    System.Drawing.Rectangle rect = new System.Drawing.Rectangle(
                                        (x + border) * scale,
                                        (y + border) * scale,
                                        scale, scale);
                                    gfx.FillRectangle(brush, rect);
                                }
                            }
                        }
                    }
                }

                // 转换为 WPF 的 BitmapImage 并显示
                using (MemoryStream ms = new MemoryStream())
                {
                    bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
                    ms.Position = 0;

                    BitmapImage bitmapImage = new BitmapImage();
                    bitmapImage.BeginInit();
                    bitmapImage.StreamSource = ms;
                    bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
                    bitmapImage.EndInit();

                    // 赋值给 Image 控件 (假设控件名为 imgQR)
                    image.Source = bitmapImage;
                }
            }
        }

        private void imgQR_Loaded(object sender, RoutedEventArgs e)
        {           
            string text_APP = "TEST"; // 要生成二维码的内容
            string text_LINK = Configini.IniReadvalue("SYS", "LINK"); // 要生成二维码的内容

            imgQR_CREATE(text_APP, imgQR_app);
            imgQR_CREATE(text_LINK, imgQR_link);
        }
    }
}