/// <summary>
/// 生成二维码
/// </summary>
/// <param name="value">需要生成的值</param>
/// <param name="pixelsPerModule">像素</param>
/// <param name="level">级别</param>
/// <param name="drawQuietZones">是否生成白色边框</param>
/// <param name="ico">ico logo</param>
/// <param name="iconSizePercent">log大小比例</param>
/// <param name="iconBorderWidth">log的边框</param>
/// <returns></returns>
public Bitmap GetQRCode(string value, int pixelsPerModule = 8, QRCodeLevel level = QRCodeLevel.M, bool drawQuietZones = true, Bitmap ico = null, int iconSizePercent = 15, int iconBorderWidth = 6)
{
QRCoder.QRCodeGenerator Tool = new QRCoder.QRCodeGenerator();
QRCoder.QRCodeData data = Tool.CreateQrCode(value, (QRCoder.QRCodeGenerator.ECCLevel)((int)level), true);
QRCoder.QRCode qrcode = new QRCoder.QRCode(data);
return(qrcode.GetGraphic(pixelsPerModule, Color.Black, Color.White, ico, iconSizePercent, iconBorderWidth, drawQuietZones));
}
public byte[] Create(string data, QRCodeLevel level, int pixelsPerModule, string darkColorHtmlHex, string lightColorHtmlHex)
{
QRCodeGenerator.ECCLevel lv = (QRCodeGenerator.ECCLevel)((int)level);
var qrcodeData = CreateQrCode(data, lv);
BitmapByteQRCode code = new BitmapByteQRCode(qrcodeData);
return(code.GetGraphic(pixelsPerModule, darkColorHtmlHex: darkColorHtmlHex, lightColorHtmlHex: lightColorHtmlHex));
}
public byte[] Create(string data, QRCodeLevel level = QRCodeLevel.Q, int pixelsPerModule = 20)
{
QRCodeGenerator.ECCLevel lv = (QRCodeGenerator.ECCLevel)((int)level);
var qrcodeData = CreateQrCode(data, lv);
BitmapByteQRCode code = new BitmapByteQRCode(qrcodeData);
return(code.GetGraphic(pixelsPerModule));
}
/// <summary>
/// 创建二维码
/// </summary>
/// <param name="content"></param>
/// <returns></returns>
public static string Create(string str, int _size, string destImg = "", bool _combin = false, QRCodeLevel _levet = QRCodeLevel.M, QRCodeVersion _ver = QRCodeVersion.A, QRCodeType _type = QRCodeType.Byte)
{
var _result = string.Empty;
var fullpath = string.Empty;
var filepath = System.Web.HttpContext.Current.Server.MapPath(@"~\QRCode\upload") + "\\";
if (string.IsNullOrEmpty(destImg))
{
destImg = filepath + "favicon.png";
}
if (string.IsNullOrEmpty(str))
{
_result = "[{\"status\":0,\"count\":1,\"content\":\"" + "亲内容去哪里了".ChinessConvertToUnicodeString() + "\"}]";
return _result;
}
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
String encoding = _type.ToString();
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 = _size;
qrCodeEncoder.QRCodeScale = scale;
}
catch (Exception ex)
{
//throw new Exception(ex.ToString());
_result = "[{\"status\":0,\"count\":1,\"content\":\"" + "大小设置出错".ChinessConvertToUnicodeString() + "\"}]";
return _result;
}
try
{
int version = Convert.ToInt16(_ver);
qrCodeEncoder.QRCodeVersion = version + 1;
}
catch (Exception ex)
{
//throw new Exception(ex.ToString());
_result = "[{\"status\":0,\"count\":1,\"content\":\"" + "版本设置出错".ChinessConvertToUnicodeString() + "\"}]";
return _result;
}
string errorCorrect = _levet.ToString();
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;
Image image;
image = qrCodeEncoder.Encode(ConverToGB(str, 16));
var filename = Guid.NewGuid().ToString() + ".png";
fullpath = filepath + filename;
if (!Directory.Exists(filepath))
{
Directory.CreateDirectory(filepath);
}
fullpath = filepath + filename;
if (_combin)
{
CombinImage(image, destImg, true);
}
image.Dispose();
_result = "[{\"status\":1,\"count\":1,\"content\":\"" + str + "\",\"list\":[{\"imgurl\":\"" + fullpath + "\"}]}]";
return _result;
}
public static bool ToPrinterQRCodeLevel(string value, out QRCodeLevel output)
{
return(PrinterQRCodeLevelDictionary.TryGetKey(value, out output));
}