// GET api/common/5
public string GetQRCode(string url, string logoUrl)
{
string result = @"{""returnCode"":""9999"",""returnMsg"":""请输入内容""}";
if (string.IsNullOrEmpty(url))
{
return(result);
}
string timeStr = DateTime.Now.ToFileTime().ToString();
Bitmap bitmap;
if (string.IsNullOrEmpty(logoUrl))
{
bitmap = QRCodeHelper.Create(url);
}
else
{
bitmap = QRCodeHelper.CreateQRCodeWithLogo(url, logoUrl);
}
string fileName = System.Web.HttpContext.Current.Server.MapPath("~") + "\\Images\\" + timeStr + ".jpg";
bitmap.Save(fileName); //保存位图
string imageUrl = "../../Images/" + timeStr + ".jpg"; //显示图片
return(@"{""returnCode"":""0000"",""returnMsg"":""" + imageUrl + @"""}");
}
public void ProcessRequest(HttpContext context)
{
var nickname = context.Request["nick"];
var text = context.Request["data"];
var product = context.Request["product"];
var price = context.Request["price"];
if (String.IsNullOrEmpty(nickname) ||
String.IsNullOrEmpty(product) ||
String.IsNullOrEmpty(text) ||
String.IsNullOrEmpty(price))
{
return;
}
nickname = HttpUtility.UrlDecode(nickname);
text = HttpUtility.UrlDecode(text);
product = HttpUtility.UrlDecode(product);
var midword = "为您推荐了";
Bitmap theBitmap = new Bitmap(initialWidth, initialHeight);
Graphics theGraphics = Graphics.FromImage(theBitmap);
//呈现质量
theGraphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
//背景色
theGraphics.Clear(Color.FromArgb(255, 255, 255));
//边框
//theGraphics.DrawRectangle(new Pen(Color.FromArgb(61, 173, 47), 1), 1, 1, initialWidth - 2,
// initialHeight - 2);
//圆弧边框
Pen p = new Pen(Color.FromArgb(61, 173, 47), 1);
Rectangle rect = new Rectangle(1, 1, initialWidth - 2, initialHeight - 2);
using (GraphicsPath path = new ImageUtility().CreateRoundedRectanglePath(rect, 7))
{
theGraphics.DrawPath(p, path);
theGraphics.FillPath(new SolidBrush(Color.White), path);
}
string FontType = "微软雅黑";
Font theFont = new Font(FontType, 18f, System.Drawing.FontStyle.Regular, GraphicsUnit.Pixel);
//准备工作。定义画刷颜色
Brush greenBrush = new SolidBrush(Color.FromArgb(61, 173, 47)); //填充的颜色
Brush greyBrush = new SolidBrush(Color.FromArgb(144, 144, 144)); //填充的颜色
//var img = Bitmap.FromFile(baseRoot + "//images//slogo.jpg");//图片地址
var imgFile = baseRoot + "//images//slogo.jpg";
var qrcode = QRCodeHelper.CreateQRCodeWithLogo(text, imgFile);
//var thumbnail = GetThumbnail(img, 35, 35);
var imgX = (initialWidth - qrcode.Width) / 2;
var imgY = (initialHeight - qrcode.Height) / 2;
theGraphics.DrawImage(qrcode, new System.Drawing.Rectangle(imgX, imgY, qrcode.Width, qrcode.Height),
new System.Drawing.Rectangle(0, 0, qrcode.Width, qrcode.Height),
System.Drawing.GraphicsUnit.Pixel);
nickname = nickname.Length > 4 ? nickname.Substring(0, 4) : nickname;
midword = "为您推荐了";
product = product.Length > 4 ? product.Substring(0, 5) : product;
price = "￥" + price;
var tips = "（长按识别二维码参团购买）";
var start = 40;
if (nickname.Length == 1)
{
start = 75;
}
else if (nickname.Length == 2)
{
start = 60;
}
else if (nickname.Length == 3)
{
start = 50;
}
else if (nickname.Length == 4)
{
start = 30;
}
theGraphics.DrawString(nickname, theFont, greenBrush, start, 15);
theGraphics.DrawString(midword, theFont, greyBrush, 115, 15);
theGraphics.DrawString(product, theFont, greenBrush, 220, 15);
theGraphics.DrawString(price, theFont, greyBrush, 122, 40);
theGraphics.DrawString(tips, theFont, greyBrush, 47, 275);
MemoryStream ms = new MemoryStream();
theBitmap.Save(ms, ImageFormat.Png);
//context.Session["code"] = code;
context.Response.ContentType = "image/jpeg";
context.Response.BinaryWrite(ms.ToArray());
theGraphics.Dispose();
theBitmap.Dispose();
ms.Dispose();
}
