做班级网站的目的,广东网站备案要多久,做婚纱网站的目的,如何自建外贸网站介绍该库旨在为开发人员提供一个简单的类#xff0c;以便他们在需要根据数据字符串生成条形码图像时使用。用法该库包含一个名为BarcodeLib的类#xff0c;其中包含三个构造函数#xff1a;Barcode();
Barcode(string);
Barcode(string, BarcodeLib.TYPE);如果决定使用参数创… 介绍该库旨在为开发人员提供一个简单的类以便他们在需要根据数据字符串生成条形码图像时使用。用法该库包含一个名为BarcodeLib的类其中包含三个构造函数Barcode();
Barcode(string);
Barcode(string, BarcodeLib.TYPE);
如果决定使用参数创建实例则参数如下字符串是要编码到条形码中的数据而BarcodeLib.TYPE是用于编码数据的符号体系。如果在创建实例时未选择指定数据和类型则可以稍后但在编码之前通过适当的属性指定它们。BarcodeLib.Barcode b new BarcodeLib.Barcode();
Image img b.Encode(BarcodeLib.TYPE.UPCA, 038000356216, Color.Black, Color.White, 290, 120);private void btnEncode_Click(object sender, EventArgs e){errorProvider1.Clear();int W Convert.ToInt32(this.txtWidth.Text.Trim());int H Convert.ToInt32(this.txtHeight.Text.Trim());b.Alignment AlignmentPositions.CENTER;//barcode alignmentswitch (cbBarcodeAlign.SelectedItem.ToString().Trim().ToLower()){case left: b.Alignment AlignmentPositions.LEFT; break;case right: b.Alignment AlignmentPositions.RIGHT; break;default: b.Alignment AlignmentPositions.CENTER; break;}//switchTYPE type TYPE.UNSPECIFIED;switch (cbEncodeType.SelectedItem.ToString().Trim()){case UPC-A: type TYPE.UPCA; break;case UPC-E: type TYPE.UPCE; break;case UPC 2 Digit Ext.: type TYPE.UPC_SUPPLEMENTAL_2DIGIT; break;case UPC 5 Digit Ext.: type TYPE.UPC_SUPPLEMENTAL_5DIGIT; break;case EAN-13: type TYPE.EAN13; break;case JAN-13: type TYPE.JAN13; break;case EAN-8: type TYPE.EAN8; break;case ITF-14: type TYPE.ITF14; break;case Codabar: type TYPE.Codabar; break;case PostNet: type TYPE.PostNet; break;case Bookland/ISBN: type TYPE.BOOKLAND; break;case Code 11: type TYPE.CODE11; break;case Code 39: type TYPE.CODE39; break;case Code 39 Extended: type TYPE.CODE39Extended; break;case Code 39 Mod 43: type TYPE.CODE39_Mod43; break;case Code 93: type TYPE.CODE93; break;case LOGMARS: type TYPE.LOGMARS; break;case MSI: type TYPE.MSI_Mod10; break;case Interleaved 2 of 5: type TYPE.Interleaved2of5; break;case Interleaved 2 of 5 Mod 10: type TYPE.Interleaved2of5_Mod10; break;case Standard 2 of 5: type TYPE.Standard2of5; break;case Standard 2 of 5 Mod 10: type TYPE.Standard2of5_Mod10; break;case Code 128: type TYPE.CODE128; break;case Code 128-A: type TYPE.CODE128A; break;case Code 128-B: type TYPE.CODE128B; break;case Code 128-C: type TYPE.CODE128C; break;case Telepen: type TYPE.TELEPEN; break;case FIM: type TYPE.FIM; break;case Pharmacode: type TYPE.PHARMACODE; break;default: MessageBox.Show(Please specify the encoding type.); break;}//switchtry{if (type ! TYPE.UNSPECIFIED){try{b.BarWidth textBoxBarWidth.Text.Trim().Length 1 ? null : (int?)Convert.ToInt32(textBoxBarWidth.Text.Trim());}catch (Exception ex){throw new Exception(Unable to parse BarWidth: ex.Message, ex);}try{b.AspectRatio textBoxAspectRatio.Text.Trim().Length 1 ? null : (double?)Convert.ToDouble(textBoxAspectRatio.Text.Trim());}catch (Exception ex){throw new Exception(Unable to parse AspectRatio: ex.Message, ex);}b.IncludeLabel this.chkGenerateLabel.Checked;b.RotateFlipType (RotateFlipType)Enum.Parse(typeof(RotateFlipType), this.cbRotateFlip.SelectedItem.ToString(), true);if (!String.IsNullOrEmpty(this.textBox1.Text.Trim()))b.AlternateLabel this.textBox1.Text;elseb.AlternateLabel this.txtData.Text;//label alignment and positionswitch (this.cbLabelLocation.SelectedItem.ToString().Trim().ToUpper()){case BOTTOMLEFT: b.LabelPosition LabelPositions.BOTTOMLEFT; break;case BOTTOMRIGHT: b.LabelPosition LabelPositions.BOTTOMRIGHT; break;case TOPCENTER: b.LabelPosition LabelPositions.TOPCENTER; break;case TOPLEFT: b.LabelPosition LabelPositions.TOPLEFT; break;case TOPRIGHT: b.LabelPosition LabelPositions.TOPRIGHT; break;default: b.LabelPosition LabelPositions.BOTTOMCENTER; break;}//switch// Encoding performed here barcode.BackgroundImage b.Encode(type, this.txtData.Text.Trim(), this.btnForeColor.BackColor, this.btnBackColor.BackColor, W, H);////show the encoding timethis.lblEncodingTime.Text ( Math.Round(b.EncodingTime, 0, MidpointRounding.AwayFromZero).ToString() ms);txtEncoded.Text b.EncodedValue;tsslEncodedType.Text Encoding Type: b.EncodedType.ToString();// Read dynamically calculated Width/Height because the user is interested.if (b.BarWidth.HasValue)txtWidth.Text b.Width.ToString();if (b.AspectRatio.HasValue)txtHeight.Text b.Height.ToString();}//if//reposition the barcode image to the middlebarcode.Location new Point((this.barcode.Location.X this.barcode.Width / 2) - barcode.Width / 2, (this.barcode.Location.Y this.barcode.Height / 2) - barcode.Height / 2);}//trycatch (Exception ex){MessageBox.Show(ex.Message);}//catch}//btnEncode_Click
版权和许可 Apache-2.0 License开源地址https://github.com/barnhill/barcodelib
