/// <summary>
/// 生成红包码
/// </summary>
/// <param name="hbUrl0">红包码</param>
/// <param name="HbDir">收款码保存路径</param>
/// <returns></returns>
public static string genHbPic(string hbUrl0, string HbDir)
{
string hbUrl = hbUrl0.Trim();
string picName = "";
if (hbUrl.ToLower().StartsWith("https://qr.alipay.com/"))
{
picName = hbUrl.Substring("https://qr.alipay.com/".Length) + ".png";
}
else
{
picName = MD5.Encrypt(hbUrl) + ".png";
}
string picPath = AppDomain.CurrentDomain.BaseDirectory + HbDir + picName;
if (!File.Exists(picPath))
{
Bitmap pic = QrTool_HB.ToHbPic(hbUrl); // 生成红包码
picName = QrTool_HB.Save(pic, HbDir, picName);
}
if (File.Exists(AppDomain.CurrentDomain.BaseDirectory + HbDir + picName))
{
return(picName);
}
else
{
return("");
}
}
protected void Page_Load(object sender, EventArgs e)
{
String dirPath = Request["path"];
String reName = Request["reName"];
bool isDownload = (Request["download"] != null && Request["download"].Equals("true"));
if (dirPath == null)
{
Response.Write(Request.Url + "?" + "path=" + "http://t2.hddhhn.com/uploads/tu/201707/115/56.jpg" + "&" + "reName=" + "0.png" + "&" + "download=" + "false");
}
else
{
Bitmap img = QrTool_HB.ToHbPic(dirPath);
if (reName == null)
{
reName = "0.png";
}
// 输出图像
try
{
MemoryStream ms = new MemoryStream();
img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
Response.ClearContent();
Response.ContentType = "Image/png";
Response.AddHeader("Content-Disposition", (isDownload ? "attachment; " : "") + "filename=" + HttpUtility.UrlEncode(reName, System.Text.Encoding.UTF8));
Response.BinaryWrite(ms.ToArray());
}
catch (Exception ex) { }
}
}
