分享一个C#创建Barcode的DLL

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

using 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());
}
}
}
}

调用后台页面

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;
}
}
}

调用前台代码

<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>

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