C# 生成二维码(ZXing.Net)_c#生成二维码

1、添加Nuget包，引用ZXing.Net

		/// <summary>
        /// 生成二维码
        /// </summary>
        /// <param name="filePath">地址</param>
        /// <param name="qrCodeContent">内容</param>
        public static void CreateZXingQrCode(string filePath, string qrCodeContent)
        {
            //设置规格
            ZXing.QrCode.QrCodeEncodingOptions options = new ZXing.QrCode.QrCodeEncodingOptions()
            {
                Width = 500,//设置二维码的宽度
                Height = 500,//设置二维码的高度
                Margin = 1,//设置二维码的边距
                CharacterSet = "UTF-8",//设置内容编码
                DisableECI = true,
            };
            //生成二维码
            ZXing.BarcodeWriter writer = new ZXing.BarcodeWriter()
            {
                Format = ZXing.BarcodeFormat.QR_CODE,//生成类型
                Options = options,//设置格式
            };
            //
            System.Drawing.Bitmap bitmap = writer.Write(qrCodeContent);//存放二维码;
            //进行保存
            bitmap.Save(filePath, System.Drawing.Imaging.ImageFormat.Jpeg);
            bitmap.Dispose();
        }
        /// <summary>
        /// 生成带logo的二维码
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="qrCodeContent"></param>
        /// <param name="imagePath"></param>
        public static void CreateZXingQrCode(string filePath, string qrCodeContent, string imagePath)
        {
            //设置规格
            ZXing.QrCode.QrCodeEncodingOptions option = new ZXing.QrCode.QrCodeEncodingOptions()
            {
                CharacterSet = "UTF-8",// 设置编码格式，否则读中文会乱码
                Height = 200,
                Width = 200,
                Margin = 1,// 设置二维码周围空白边距(可选)
            };
            //生成图片
            ZXing.BarcodeWriter writer = new ZXing.BarcodeWriter()
            {
                Options = option,
                Format = ZXing.BarcodeFormat.QR_CODE,//生成类型
            };
            System.Drawing.Bitmap img = writer.Write(qrCodeContent);
            // 添加logo图片
            System.Drawing.Bitmap logoImg = System.Drawing.Bitmap.FromFile(imagePath) as System.Drawing.Bitmap;
            System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage(img);
            System.Drawing.Rectangle logoRec = new System.Drawing.Rectangle() ;
            //设置logo图片的大小和绘制位置
            logoRec.Width = img.Width / 6;
            logoRec.Height = img.Height / 6;
            logoRec.X = img.Width / 2 - logoRec.Width / 2; // 中心点
            logoRec.Y = img.Height / 2 - logoRec.Height / 2;
            graphics.DrawImage(logoImg, logoRec);
            //保存绘制后的图片
            img.Save(filePath, System.Drawing.Imaging.ImageFormat.Jpeg);
            img.Dispose();
        }

        /// <summary>
        /// 读取二维码
        /// </summary>
        /// <param name="filePath">地址</param>
        /// <returns></returns>
        public static string ReadZXingQrCode(string filePath)
        {
            //读取规格
            ZXing.Common.DecodingOptions options = new ZXing.Common.DecodingOptions();
            options.PossibleFormats = new List<ZXing.BarcodeFormat>()
            {
                ZXing.BarcodeFormat.QR_CODE
            };
            ZXing.BarcodeReader br = new ZXing.BarcodeReader()
            {
                Options = options
            };
            //指定规格
            //读取图片
            System.Drawing.Image image = System.Drawing.Image.FromFile(filePath);
            //读取图片内容
            ZXing.Result rs = br.Decode(image as System.Drawing.Bitmap);
            return rs.Text;
        }
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实现效果如下:

仅个人记录

参考文章：
C# WinForm生成二维码,一维码,条形码 操作