protected void Page_Load(object sender, System.EventArgs e)
{
string a = base.Request.Form["return_code"];
string arg_2B_0 = base.Request.Form["return_msg"];
string text = base.Request.Form["code_url"];
string text2 = base.Request.Form["orderID"];
string text3 = base.Request.Form["amount"];
if (a == "SUCCESS" && text != null && text != "")
{
Bitmap bitmap = new QrImage
{
Mode = "byte",
Version = -1,
Size = 200,
Padding = 10,
Level = "Q",
Background = Color.White,
Foreground = Color.Black
}.CreateImage(text);
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
bitmap.Save(memoryStream, ImageFormat.Png);
byte[] buffer = memoryStream.GetBuffer();
this.imagecode = System.Convert.ToBase64String(buffer, 0, buffer.Length);
this.amountcode = text3;
this.orderid = text2;
}
}
/// <summary>
/// 生成二维码图片
/// </summary>
/// <param name="str">字符串</param>
/// <param name="size">图片大小</param>
/// <param name="path">图片位置
/// 例如 /abc/abc/
/// </param>
/// <returns>返回生成的二维码图片路径</returns>
public static string Create(string str, int size, string path)
{
try
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
//设置编码模式
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
//设置编码测量度
qrCodeEncoder.QRCodeScale = size;
//设置编码版本
qrCodeEncoder.QRCodeVersion = 4;
//设置编码错误纠正
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
var encodedData = qrCodeEncoder.Encode(str);// QRcode.CreateQRCode(content, QRCodeEncoder.ENCODE_MODE.BYTE, QRCodeEncoder.ERROR_CORRECTION.M, 8, size, size, 0, codeEyeColor);
var qrImage = new QrImage();
Image image = qrImage.CreateImage(encodedData);
//System.Drawing.Image image = qrCodeEncoder.Encode(str);
string filename = "~" + path + Guid.NewGuid() + ".jpg";
//HttpContext.Current.Request.MapPath(filename)
image.Save(filename.Replace("~", ""));
return(filename.Replace("~", ""));
}
catch (Exception)
{
return("");
}
}
/// <summary>
/// 获取二维码图片
/// </summary>
private void GetQRCodeImage(HttpContext context)
{
string url = GameRequest.GetQueryString("url");
if (string.IsNullOrEmpty(url))
{
return;
}
QrImage qrcode = new QrImage();
// 编码方式
qrcode.Mode = "byte";
// 二维码版本
qrcode.Version = -1;
// 图片尺寸
qrcode.Size = 100;
// 补白尺寸
qrcode.Padding = 10;
// 二维码纠错等级
qrcode.Level = "Q";
// 二维码前景和背景色
qrcode.Background = Color.White;
qrcode.Foreground = Color.Black;
// ico图标
try
{
FileStream fs = new FileStream(TextUtility.GetFullPath("/favicon.ico"), FileMode.Open);
Icon ico = new Icon(fs, 256, 256);
qrcode.Logo = ico.ToBitmap();
fs.Close();
}
catch
{ }
// 创建图片
try
{
Bitmap encodeImage = qrcode.CreateImage(url);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
encodeImage.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
context.Response.ClearContent();
context.Response.ContentType = "image/png";
context.Response.BinaryWrite(ms.ToArray());
encodeImage.Dispose();
}
catch
{ }
}
protected void Page_Load(object sender, EventArgs e)
{
string return_code = Request.Form["return_code"];
string return_msg = Request.Form["return_msg"];
string code_url = Request.Form["code_url"];
string orderID = Request.Form["orderID"];
string amount = Request.Form["amount"];
if (return_code == "SUCCESS" && code_url != null && code_url != "")
{
//初始化二维码生成工具
QrImage qrcode = new QrImage();
// 编码方式
qrcode.Mode = "byte";
// 二维码版本
qrcode.Version = -1;
// 图片尺寸
qrcode.Size = 200;
// 补白尺寸
qrcode.Padding = 10;
// 二维码纠错等级
qrcode.Level = "Q";
// 二维码前景和背景色
qrcode.Background = Color.White;
qrcode.Foreground = Color.Black;
Bitmap encodeImage = qrcode.CreateImage(code_url);
MemoryStream ms = new MemoryStream();
encodeImage.Save(ms, ImageFormat.Png);
byte[] img = ms.GetBuffer();
imagecode = Convert.ToBase64String(img, 0, img.Length);
amountcode = amount;
orderid = orderID;
}
}
private void GetQRCodeImage(System.Web.HttpContext context)
{
string queryString = GameRequest.GetQueryString("url");
if (!string.IsNullOrEmpty(queryString))
{
QrImage qrImage = new QrImage();
qrImage.Mode = "byte";
qrImage.Version = -1;
qrImage.Size = 100;
qrImage.Padding = 10;
qrImage.Level = "Q";
qrImage.Background = Color.White;
qrImage.Foreground = Color.Black;
try
{
System.IO.FileStream fileStream = new System.IO.FileStream(TextUtility.GetFullPath("/favicon.ico"), System.IO.FileMode.Open);
Icon icon = new Icon(fileStream, 256, 256);
qrImage.Logo = icon.ToBitmap();
fileStream.Close();
}
catch
{
}
try
{
Bitmap bitmap = qrImage.CreateImage(queryString);
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
bitmap.Save(memoryStream, ImageFormat.Bmp);
context.Response.ClearContent();
context.Response.ContentType = "image/png";
context.Response.BinaryWrite(memoryStream.ToArray());
bitmap.Dispose();
}
catch
{
}
}
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="content">二维码内容</param>
/// <param name="size">二维码大小</param>
/// <param name="targetPath">生成图片存放路径</param>
/// <param name="codeEyeColor">颜色</param>
/// <param name="border">边框宽度</param>
/// <param name="backGroundPath">背景图路径</param>
/// <param name="x">定位x</param>
/// <param name="y">定位y</param>
/// <param name="width">图片宽度</param>
/// <param name="height">图片高度</param>
/// <returns>返回生成的图片路径</returns>
public static string CreateTGCode(string content, int size, string targetPath, System.Drawing.Color codeEyeColor, QrPosition position, int border = 0, string backGroundPath = "")
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
//设置编码模式
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
//设置编码测量度
qrCodeEncoder.QRCodeScale = size;
//设置编码版本
qrCodeEncoder.QRCodeVersion = 8;
//设置编码错误纠正
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
var encodedData = qrCodeEncoder.Encode(content);// QRcode.CreateQRCode(content, QRCodeEncoder.ENCODE_MODE.BYTE, QRCodeEncoder.ERROR_CORRECTION.M, 8, size, size, 0, codeEyeColor);
var qrImage = new QrImage();
Image img = qrImage.CreateImage(encodedData);
string filename = "~" + targetPath + Guid.NewGuid() + ".jpg";
if (string.IsNullOrEmpty(backGroundPath))
{
img.Save(HttpContext.Current.Request.MapPath(filename));
}
else
{
Image backimg = Image.FromFile(backGroundPath);//背景图片
int x, y;
if (position == QrPosition.Top)
{
//y = backimg.Height / 2 - img.Height / 2
}
Image resultImg = QRcode.CombinImage(backimg, img, backimg.Width / 2 - img.Width / 2, backimg.Width / 2 - img.Width / 2, img.Width, img.Height);
resultImg.Save(HttpContext.Current.Request.MapPath(filename));
}
return(filename.Replace("~", ""));
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="Content">内容文本</param>
/// <param name="QRCodeEncodeMode">二维码编码方式</param>
/// <param name="QRCodeErrorCorrect">纠错码等级</param>
/// <param name="QRCodeVersion">二维码版本号 0-40</param>
/// <param name="QRCodeScale">每个小方格的预设宽度（像素），正整数</param>
/// <param name="size">图片尺寸（像素），0表示不设置</param>
/// <param name="border">图片白边（像素），当size大于0时有效</param>
/// <returns></returns>
public static System.Drawing.Image CreateQRCode(string Content, QRCodeEncoder.ENCODE_MODE QRCodeEncodeMode, QRCodeEncoder.ERROR_CORRECTION QRCodeErrorCorrect, int QRCodeVersion, int QRCodeScale, int size, int border, System.Drawing.Color codeEyeColor)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncodeMode;
qrCodeEncoder.QRCodeErrorCorrect = QRCodeErrorCorrect;
qrCodeEncoder.QRCodeScale = QRCodeScale;
qrCodeEncoder.QRCodeVersion = QRCodeVersion;
var encodedData = qrCodeEncoder.Encode(Content);// QRcode.CreateQRCode(content, QRCodeEncoder.ENCODE_MODE.BYTE, QRCodeEncoder.ERROR_CORRECTION.M, 8, size, size, 0, codeEyeColor);
var qrImage = new QrImage();
Image image = qrImage.CreateImage(encodedData);
//System.Drawing.Image image = qrCodeEncoder.Encode(Content);
#region 根据设定的目标图片尺寸调整二维码QRCodeScale设置，并添加边框
if (size > 0)
{
//当设定目标图片尺寸大于生成的尺寸时，逐步增大方格尺寸
#region 当设定目标图片尺寸大于生成的尺寸时，逐步增大方格尺寸
while (image.Width < size)
{
qrCodeEncoder.QRCodeScale++;
Image imageNew = qrImage.CreateImage(encodedData);
//System.Drawing.Image imageNew = qrCodeEncoder.Encode(Content);
if (imageNew.Width < size)
{
image = new System.Drawing.Bitmap(imageNew);
imageNew.Dispose();
imageNew = null;
}
else
{
qrCodeEncoder.QRCodeScale--; //新尺寸未采用，恢复最终使用的尺寸
imageNew.Dispose();
imageNew = null;
break;
}
}
#endregion
//当设定目标图片尺寸小于生成的尺寸时，逐步减小方格尺寸
#region 当设定目标图片尺寸小于生成的尺寸时，逐步减小方格尺寸
while (image.Width > size && qrCodeEncoder.QRCodeScale > 1)
{
qrCodeEncoder.QRCodeScale--;
Image imageNew = qrImage.CreateImage(encodedData);
//System.Drawing.Image imageNew = qrCodeEncoder.Encode(Content);
image = new System.Drawing.Bitmap(imageNew);
imageNew.Dispose();
imageNew = null;
if (image.Width < size)
{
break;
}
}
#endregion
//根据参数设置二维码图片白边的最小宽度（按需缩小）
#region 根据参数设置二维码图片白边的最小宽度
if (image.Width <= size && border > 0)
{
while (image.Width <= size && size - image.Width < border * 2 && qrCodeEncoder.QRCodeScale > 1)
{
qrCodeEncoder.QRCodeScale--;
Image imageNew = qrImage.CreateImage(encodedData);
//System.Drawing.Image imageNew = qrCodeEncoder.Encode(Content);
image = new System.Drawing.Bitmap(imageNew);
imageNew.Dispose();
imageNew = null;
}
}
#endregion
//已经确认二维码图像，为图像染色修饰
if (true)
{
//定位点方块边长
int beSize = qrCodeEncoder.QRCodeScale * 3;
int bep1_l = qrCodeEncoder.QRCodeScale * 2;
int bep1_t = qrCodeEncoder.QRCodeScale * 2;
int bep2_l = image.Width - qrCodeEncoder.QRCodeScale * 5 - 1;
int bep2_t = qrCodeEncoder.QRCodeScale * 2;
int bep3_l = qrCodeEncoder.QRCodeScale * 2;
int bep3_t = image.Height - qrCodeEncoder.QRCodeScale * 5 - 1;
int bep4_l = image.Width - qrCodeEncoder.QRCodeScale * 7 - 1;
int bep4_t = image.Height - qrCodeEncoder.QRCodeScale * 7 - 1;
System.Drawing.Graphics graphic0 = System.Drawing.Graphics.FromImage(image);
// Create solid brush.
SolidBrush blueBrush = new SolidBrush(codeEyeColor == null ? System.Drawing.Color.Black : codeEyeColor);
// Fill rectangle to screen.
graphic0.FillRectangle(blueBrush, bep1_l, bep1_t, beSize, beSize);
graphic0.FillRectangle(blueBrush, bep2_l, bep2_t, beSize, beSize);
graphic0.FillRectangle(blueBrush, bep3_l, bep3_t, beSize, beSize);
graphic0.FillRectangle(blueBrush, bep4_l, bep4_t, qrCodeEncoder.QRCodeScale, qrCodeEncoder.QRCodeScale);
}
//当目标图片尺寸大于二维码尺寸时，将二维码绘制在目标尺寸白色画布的中心位置
#region 如果目标尺寸大于生成的图片尺寸，将二维码绘制在目标尺寸白色画布的中心位置
if (image.Width < size)
{
//新建空白绘图
System.Drawing.Bitmap panel = new System.Drawing.Bitmap(size, size);
System.Drawing.Graphics graphic0 = System.Drawing.Graphics.FromImage(panel);
int p_left = 0;
int p_top = 0;
if (image.Width <= size) //如果原图比目标形状宽
{
p_left = (size - image.Width) / 2;
}
if (image.Height <= size)
{
p_top = (size - image.Height) / 2;
}
//将生成的二维码图像粘贴至绘图的中心位置
graphic0.DrawImage(image, p_left, p_top, image.Width, image.Height);
image = new System.Drawing.Bitmap(panel);
panel.Dispose();
panel = null;
graphic0.Dispose();
graphic0 = null;
}
#endregion
}
#endregion
return(image);
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="Content">内容文本</param>
/// <param name="QRCodeEncodeMode">二维码编码方式</param>
/// <param name="QRCodeErrorCorrect">纠错码等级</param>
/// <param name="QRCodeVersion">二维码版本号 0-40</param>
/// <param name="QRCodeScale">每个小方格的预设宽度（像素），正整数</param>
/// <param name="size">图片尺寸（像素），0表示不设置</param>
/// <param name="border">图片白边（像素），当size大于0时有效</param>
/// <returns></returns>
public static System.Drawing.Image CreateQRCode(string Content, QRCodeEncoder.ENCODE_MODE QRCodeEncodeMode, QRCodeEncoder.ERROR_CORRECTION QRCodeErrorCorrect, int QRCodeVersion, int QRCodeScale, int size, int border)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncodeMode;
qrCodeEncoder.QRCodeErrorCorrect = QRCodeErrorCorrect;
qrCodeEncoder.QRCodeScale = QRCodeScale;
qrCodeEncoder.QRCodeVersion = QRCodeVersion;
var encodedData = qrCodeEncoder.Encode(Content);// QRcode.CreateQRCode(content, QRCodeEncoder.ENCODE_MODE.BYTE, QRCodeEncoder.ERROR_CORRECTION.M, 8, size, size, 0, codeEyeColor);
var qrImage = new QrImage();
Image image = qrImage.CreateImage(encodedData);
//System.Drawing.Image image = qrCodeEncoder.Encode(Content);
#region 根据设定的目标图片尺寸调整二维码QRCodeScale设置，并添加边框
if (size > 0)
{
//当设定目标图片尺寸大于生成的尺寸时，逐步增大方格尺寸
#region 当设定目标图片尺寸大于生成的尺寸时，逐步增大方格尺寸
while (image.Width < size)
{
qrCodeEncoder.QRCodeScale++;
Image imageNew = qrImage.CreateImage(encodedData);
//System.Drawing.Image imageNew = qrCodeEncoder.Encode(Content);
if (imageNew.Width < size)
{
image = new System.Drawing.Bitmap(imageNew);
imageNew.Dispose();
imageNew = null;
}
else
{
qrCodeEncoder.QRCodeScale--; //新尺寸未采用，恢复最终使用的尺寸
imageNew.Dispose();
imageNew = null;
break;
}
}
#endregion
//当设定目标图片尺寸小于生成的尺寸时，逐步减小方格尺寸
#region 当设定目标图片尺寸小于生成的尺寸时，逐步减小方格尺寸
while (image.Width > size && qrCodeEncoder.QRCodeScale > 1)
{
qrCodeEncoder.QRCodeScale--;
//var encodedData = qrCodeEncoder.Encode(Content);// QRcode.CreateQRCode(content, QRCodeEncoder.ENCODE_MODE.BYTE, QRCodeEncoder.ERROR_CORRECTION.M, 8, size, size, 0, codeEyeColor);
//var qrImage = new QrImage();
Image imageNew = qrImage.CreateImage(encodedData);
//System.Drawing.Image imageNew = qrCodeEncoder.Encode(Content);
image = new System.Drawing.Bitmap(imageNew);
imageNew.Dispose();
imageNew = null;
if (image.Width < size)
{
break;
}
}
#endregion
//如果目标尺寸大于生成的图片尺寸，则为图片增加白边
#region 如果目标尺寸大于生成的图片尺寸，则为图片增加白边
if (image.Width <= size)
{
//根据参数设置二维码图片白边的最小宽度
#region 根据参数设置二维码图片白边的最小宽度
if (border > 0)
{
while (image.Width <= size && size - image.Width < border * 2 && qrCodeEncoder.QRCodeScale > 1)
{
qrCodeEncoder.QRCodeScale--;
Image imageNew = qrImage.CreateImage(encodedData);
//System.Drawing.Image imageNew = qrCodeEncoder.Encode(Content);
image = new System.Drawing.Bitmap(imageNew);
imageNew.Dispose();
imageNew = null;
}
}
#endregion
//当目标图片尺寸大于二维码尺寸时，将二维码绘制在目标尺寸白色画布的中心位置
if (image.Width < size)
{
//新建空白绘图
System.Drawing.Bitmap panel = new System.Drawing.Bitmap(size, size);
System.Drawing.Graphics graphic0 = System.Drawing.Graphics.FromImage(panel);
int p_left = 0;
int p_top = 0;
if (image.Width <= size) //如果原图比目标形状宽
{
p_left = (size - image.Width) / 2;
}
if (image.Height <= size)
{
p_top = (size - image.Height) / 2;
}
//将生成的二维码图像粘贴至绘图的中心位置
graphic0.DrawImage(image, p_left, p_top, image.Width, image.Height);
image = new System.Drawing.Bitmap(panel);
panel.Dispose();
panel = null;
graphic0.Dispose();
graphic0 = null;
}
}
#endregion
}
#endregion
return(image);
}
private void btnEncode_Click_1(object sender, EventArgs e)
{
if (txtEncodeData.Text.Trim() == String.Empty)
{
MessageBox.Show("Data must not be empty.");
return;
}
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
String encoding = cboEncoding.Text;
if (encoding == "Byte")
{
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
}
else if (encoding == "AlphaNumeric")
{
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.ALPHA_NUMERIC;
}
else if (encoding == "Numeric")
{
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.NUMERIC;
}
try
{
int scale = Convert.ToInt16(txtSize.Text);
qrCodeEncoder.QRCodeScale = scale;
}
catch (Exception ex)
{
MessageBox.Show("Invalid size!");
return;
}
try
{
int version = Convert.ToInt16(cboVersion.Text);
qrCodeEncoder.QRCodeVersion = version;
}
catch (Exception ex)
{
MessageBox.Show("Invalid version !");
}
string errorCorrect = cboCorrectionLevel.Text;
if (errorCorrect == "L")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
}
else if (errorCorrect == "M")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
}
else if (errorCorrect == "Q")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.Q;
}
else if (errorCorrect == "H")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
}
string data = txtEncodeData.Text;
var encodedData = qrCodeEncoder.Encode(data);
var qrImage = new QrImage();
Image image = qrImage.CreateImage(encodedData);
picEncode.Image = image;
}
