分享一个C#创建Barcode的DLL
2020-12-13 13:53
标签：style blog http io color os ar 使用 for 用于工作需要产生Barcode，随手从网上找了一个DLL（原文地址忘了） http://files.cnblogs.com/panchunting/barcode_bin.zip 使用非常简单，只需添加引用，然后编码如下 调用后台页面 调用前台代码 最终效果如下 多说一句，img的长度要设长一点，尤其当字符比较长的时候，否则可能扫描枪无法扫出 分享一个C#创建Barcode的DLL 标签：style blog http io color os ar 使用 for 原文地址：http://www.cnblogs.com/panchunting/p/BarCode.htmlusing System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using BarcodeLib;
namespace WebAppBarcode
{
public partial class GetBarCodeImage : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string strEncode = Request.QueryString["Code"];
CreateImage(strEncode);
}
private void CreateImage(string Code)
{
BarcodeLib.Barcode barcode = new BarcodeLib.Barcode()
{
IncludeLabel = true,
Alignment = AlignmentPositions.CENTER,
Width = 300,
Height = 100,
RotateFlipType = RotateFlipType.RotateNoneFlipNone,
BackColor = Color.White,
ForeColor = Color.Black,
};
System.Drawing.Image img = barcode.Encode(TYPE.CODE128B, Code);
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
Response.ClearContent();
Response.ContentType = "image/png";
Response.BinaryWrite(ms.ToArray());
}
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace WebAppBarcode
{
public partial class _Default : Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
imgBarcode.Src = "~/GetBarCodeImage.aspx?Code=" + this.TextBox1.Text;
}
}
}
ol class="round">
li>
asp:TextBox ID="TextBox1" runat="server">asp:TextBox>
asp:Button ID="Button1" runat="server" Text="Barcode" OnClick="Button1_Click" />
li>
li>
img id="imgBarcode" runat="server" style="height: 20mm; width: 100mm;" />
li>
ol>
