Net Core教程
c#使用zxing打印标签
BarCodeClass.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ZXing.Common;
using ZXing;
using System.Windows.Forms;
using System.Drawing;
using System.Text.RegularExpressions;
using ZXing.QrCode;
namespace WindowsFormsApplication1
{
class BarCodeClass
{
///<summary>
///生成条形码
///</summary>
///<paramname="pictureBox1"></param>
///<paramname="Contents"></param>
public void CreateBarCode(PictureBox pictureBox1, string Contents)
{
Regex rg = new Regex("^[0-9]{12}$");
if (!rg.IsMatch(Contents))
{
MessageBox.Show("本例子采用EAN_13编码，需要输入12位数字");
return;
}
EncodingOptions options = null;
BarcodeWriter writer = null;
options = new EncodingOptions
{
Width = pictureBox1.Width,
Height = pictureBox1.Height
};
writer = new BarcodeWriter();
writer.Format = BarcodeFormat.ITF;
writer.Options = options;
Bitmap bitmap = writer.Write(Contents);
pictureBox1.Image = bitmap;
}
///<summary>
///生成二维码
///</summary>
///<paramname="pictureBox1"></param>
///<paramname="Contents"></param>
public void CreateQuickMark(PictureBox pictureBox1,string Contents)
{
if(Contents == string.Empty)
{
MessageBox.Show("输入内容不能为空！");
return;
}
EncodingOptions options =null;
BarcodeWriter writer =null;
options = new QrCodeEncodingOptions
{
DisableECI = true,
CharacterSet = "UTF-8",
Width = pictureBox1.Width,
Height = pictureBox1.Height
};
writer = new BarcodeWriter();
writer.Format = BarcodeFormat.QR_CODE;
writer.Options = options;
Bitmap bitmap = writer.Write(Contents);
pictureBox1.Image = bitmap;
}
///<summary>
///解码
///</summary>
///<paramname="pictureBox1"></param>
public void Decode(PictureBox pictureBox1)
{
BarcodeReader reader = new BarcodeReader();
Result result = reader.Decode((Bitmap)pictureBox1.Image);
}
}
}
DocementBase.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing.Printing;
using System.Drawing;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
class DocementBase : PrintDocument
{
//fields
public Font Font = new Font("Verdana", 10, GraphicsUnit.Point);
//预览打印
public DialogResult showPrintPreviewDialog()
{
PrintPreviewDialog dialog = new PrintPreviewDialog();
dialog.Document = this;
return dialog.ShowDialog();
}
//先设置后打印
public DialogResult ShowPageSettingsDialog()
{
PageSetupDialog dialog = new PageSetupDialog();
dialog.Document = this;
return dialog.ShowDialog();
}
}
}
imageDocument.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Drawing.Printing;
namespace WindowsFormsApplication1
{
class imageDocument : DocementBase
{
private Image _Image;
public Image Image
{
get
{
return _Image;
}
set
{
_Image = value;
if (_Image != null)
{
if (_Image.Size.Width > _Image.Size.Height)
DefaultPageSettings.Landscape = true;
else
DefaultPageSettings.Landscape = false;
}
}
}
public imageDocument()
{
}
public imageDocument(Image image)
{
this.Image = image;
}
protected override void OnPrintPage(PrintPageEventArgs e)
{
if (Image == null)
{
throw new InvalidOperationException();
}
Rectangle bestFit = GetBestFitRectangle(e.MarginBounds, Image.Size);
e.Graphics.DrawImage(Image, bestFit);
e.Graphics.DrawRectangle(Pens.Black, bestFit);
e.Graphics.DrawRectangle(Pens.Black, e.MarginBounds);
}
// 保持高度比：参数为(打印边界的Rectangularle对象，图像大小的Size对象)
protected Rectangle GetBestFitRectangle(Rectangle toContain, Size objectSize)
{
//检查页面是水平还是竖直的。
bool containerLandscape = false;
if (toContain.Width > toContain.Height)
containerLandscape = true;
//高度比=图像的高/图像的宽
float aspectRatio = (float)objectSize.Height / (float)objectSize.Width;
//得到页面左上角的坐标
int midContainerX = toContain.Left + (toContain.Width / 2);
int midContainerY = toContain.Top + (toContain.Height / 2);
int x1 = 0, x2 = 0, y1 = 0, y2 = 0;
if (containerLandscape == false)
{
//竖直图像
x1 = toContain.Left;
x2 = toContain.Right;
//调整之后的height
int adjustedHeight = (int)((float)toContain.Width * aspectRatio);
y1 = midContainerY - (adjustedHeight / 2);
y2 = y1 + adjustedHeight;
}
else
{
y1 = toContain.Top;
y2 = toContain.Bottom;
//调整之后的height
int adjustedWidth = (int)((float)toContain.Height / aspectRatio);
x1 = midContainerX - (adjustedWidth / 2);
x2 = x1 + adjustedWidth;
}
return new Rectangle(x1, y1, x2 - x1, y2 - y1);
}
}
}
using System;
using System.Drawing;
using System.Drawing.Printing;
using System.Windows.Forms;
using ZXing;
using ZXing.Common;
using ZXing.QrCode;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
Myprinter();
}
private void Form1_Load(object sender, EventArgs e)
{
txtMsg.Text = System.DateTime.Now.ToString("yyyyMMddhhmmss").Substring(0, 12);
}
/// <summary>
/// 打印
/// </summary>
private void Myprinter()
{
PrintDocument pd = new PrintDocument();
pd.PrintPage += new PrintPageEventHandler(printDocument_PrintA4Page);
//pd.DefaultPageSettings.PrinterSettings.PrinterName = "ZDesigner GX430t";
pd.DefaultPageSettings.PrinterSettings.PrinterName = "ZDesigner 105SLPlus-300dpi ZPL"; //打印机名称
//pd.DefaultPageSettings.Landscape = true; //设置横向打印，不设置默认是纵向的
pd.PrintController = new System.Drawing.Printing.StandardPrintController();
pd.Print();
}
private void printDocument_PrintA4Page(object sender, PrintPageEventArgs e)
{
Font titleFont = new Font("黑体", 11, System.Drawing.FontStyle.Bold);//标题字体
Font fntTxt = new Font("宋体", 10, System.Drawing.FontStyle.Regular);//正文文字
Font fntTxt1 = new Font("宋体", 8, System.Drawing.FontStyle.Regular);//正文文字
System.Drawing.Brush brush = new SolidBrush(System.Drawing.Color.Black);//画刷
System.Drawing.Pen pen = new System.Drawing.Pen(System.Drawing.Color.Black); //线条颜色
try
{
e.Graphics.DrawString("标题name", titleFont, brush, new System.Drawing.Point(20, 10));
Point[] points111 = { new Point(20, 28), new Point(230, 28) };
e.Graphics.DrawLines(pen, points111);
e.Graphics.DrawString("资产编号：", fntTxt, brush, new System.Drawing.Point(20, 31));
e.Graphics.DrawString("123456789123465", fntTxt, brush, new System.Drawing.Point(80, 31));
e.Graphics.DrawString("资产序号：", fntTxt, brush, new System.Drawing.Point(20, 46));
e.Graphics.DrawString("123456789131321", fntTxt, brush, new System.Drawing.Point(80, 46));
e.Graphics.DrawString("底部name", fntTxt1, brush, new System.Drawing.Point(100, 62));
e.Graphics.DrawString("底部name看看字符长度到底多长", fntTxt1, brush, new System.Drawing.Point(240, 62));
Bitmap bitmap = CreateQRCode("herrisQRCODE202201091530");
e.Graphics.DrawImage(bitmap, new System.Drawing.Point(20, 72));
}
catch (Exception ee)
{
MessageBox.Show(ee.Message);
}
}
/// <summary>
/// 二维码方法
/// </summary>
/// <param name="asset"></param>
/// <returns></returns>
public static Bitmap CreateQRCode(string asset)
{
EncodingOptions options = new QrCodeEncodingOptions
{
DisableECI = true,
CharacterSet = "UTF-8", //编码
Width = 100, //宽度
Height = 100 //高度
};
BarcodeWriter writer = new BarcodeWriter();
writer.Format = BarcodeFormat.QR_CODE;
writer.Options = options;
return writer.Write(asset);
}
/// <summary>
/// 创建条码方法
/// </summary>
/// <param name="asset"></param>
/// <returns></returns>
public static Bitmap CreateCode(string asset)
{
// 1.设置条形码规格
EncodingOptions options = new EncodingOptions();
options.Height = 40; // 必须制定高度、宽度
options.Width = 120;
// 2.生成条形码图片并保存
BarcodeWriter writer = new BarcodeWriter();
writer.Options = options;
writer.Format = BarcodeFormat.CODE_128; //二维码编码
return writer.Write(asset); // 生成图片
}
private BarCodeClass bcc = new BarCodeClass();
private DocementBase _docement;
//生成条形码
private void button2_Click(object sender, EventArgs e)
{
bcc.CreateBarCode(pictureBox1, txtMsg.Text);
}
//生成二维码
private void button3_Click(object sender, EventArgs e)
{
bcc.CreateQuickMark(pictureBox1, txtMsg.Text);
}
//解码
private void button4_Click(object sender, EventArgs e)
{
if (pictureBox1.Image == null)
{
MessageBox.Show("请录入图像后再进行解码!");
return;
}
BarcodeReader reader = new BarcodeReader();
Result result = reader.Decode((Bitmap)pictureBox1.Image);
MessageBox.Show(result.Text);
}
//打印
private void button5_Click(object sender, EventArgs e)
{
if (pictureBox1.Image == null)
{
MessageBox.Show("You Must Load an Image first!");
return;
}
else
{
_docement = new imageDocument(pictureBox1.Image);
}
_docement.showPrintPreviewDialog();
}
}
}
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