c#怎样生成二维码的示例分享【C#.Net教程】,csharp,.net,分享

援用ZXing类库

完成功用:

1生成带有Logo二维码

2 将二维码绘制到图片上

3 图片上绘制笔墨

生成二维码

public string CreateQrCode(string md5Str,string name,int sex)
        {
            string str = sex == 1? "教师":"密斯";
            string logoPath = AppDomain.CurrentDomain.BaseDirectory + "/logo.png";
            string qrCodePath = path + DateTime.Now.ToString("yyyyMMddHHmmss") + ".jpg";
            string yqPath = AppDomain.CurrentDomain.BaseDirectory + "/yq2.jpg";
            string yqCardPath = path + TCommon.Md5(DateTime.Now.ToString("yyyyMMddHHmmss")) + ".jpg";
            if (Directory.Exists(path) == false)//假如不存在就建立file文件夹
            {
                Directory.CreateDirectory(path);
            }
            Generate3(md5Str,logoPath,qrCodePath);
            Image qrCodeImg = new Bitmap(qrCodePath);
            Image image = new Bitmap(yqPath);
            Graphics ig = Graphics.FromImage(image);
            Font font = new Font("Arial", 38,FontStyle.Bold); 
            Font font2 = new Font("STXINWEI", 38, FontStyle.Bold);
            Brush brush = System.Drawing.Brushes.Black;
            SizeF size = ig.MeasureString(name, font2);
            SizeF size2 = ig.MeasureString(str, font);
            ig.DrawString(name, font, brush, (720-size.Width-size2.Width) /2, 680);
            ig.DrawString(str, font, brush, (720 - size.Width - size2.Width) / 2 + size.Width, 680);
            ig.FillRectangle(Brushes.White, 280, 351, 160, 160);
            ig.DrawImage(qrCodeImg, 285, 356);
            image.Save(yqCardPath);
            return yqCardPath.Substring(2);
        }

图片上生成笔墨

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