生成群二维码图片代码:
string AppPath=Server.MapPath("~/cc/res/碳化硅黑体.ttf");
//读取字体文件
PrivateFontCollection pfc =new PrivateFontCollection();
pfc.AddFontFile(AppPath);
//实例化字体样式
Font font=new Font(pfc.Families[0], 36);
string text= queryText;
string path=Server.MapPath("~/cc/res/ewm333.jpg");
Bitmap mp =new Bitmap(path);
Graphics graphics = Graphics.FromImage(mp);
using (Graphics g= Graphics.FromImage(mp))
{
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
g.DrawString(text, font, Brushes.Black, new PointF(194, 92));
}
MemoryStream stream =new MemoryStream();
mp.Save(stream, System.Drawing.Imaging.ImageFormat.Jpeg);
byte[] mydata=new byte[stream.Length];
mydata = stream.ToArray();
stream.Close();
Response.BinaryWrite(mydata);//将图片输出在页面上
Response.ContentType="image/JPEG";
Response.End();