ASP.net(c#)生成条形码

ASP.net(c#)生成条形码 using System; using System.Data; using System.Configuration; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { Response.Write(bar_code("www.sosuo8.com", 100, 1, 2)); } public string bar_code(object str, int ch, int cw, int type_code) { //str:输入的字符串;ch:要显示条形码的高度;cw:要显示条形码的宽度;type_code:代码类型 string strTmp = str.ToString(); string code = strTmp; // ToLower()将string转化成小写形式的副本，返回是使用指定区域的性的大小写规则。 strTmp = strTmp.ToLower(); int height = ch; int width = cw; //将传入的参数进行转化。 strTmp = strTmp.Replace("0", "_|_|__||_||_|"); ; strTmp = strTmp.Replace("1", "_||_|__|_|_||"); strTmp = strTmp.Replace("2", "_|_||__|_|_||"); strTmp = strTmp.Replace("3", "_||_||__|_|_|"); strTmp = strTmp.Replace("4", "_|_|__||_|_||"); strTmp = strTmp.Replace("5", "_||_|__||_|_|"); strTmp = strTmp.Replace("7", "_|_|__|_||_||"); strTmp = strTmp.Replace("6", "_|_||__||_|_|"); strTmp = strTmp.Replace("8", "_||_|__|_||_|"); strTmp = strTmp.Replace("9", "_|_||__|_||_|"); strTmp = strTmp.Replace("a", "_||_|_|__|_||"); strTmp = strTmp.Replace("b", "_|_||_|__|_||"); strTmp = strTmp.Replace("c", "_||_||_|__|_|"); strTmp = strTmp.Replace("d", "_|_|_||__|_||"); strTmp = strTmp.Replace("e", "_||_|_||__|_|"); strTmp = strTmp.Replace("f", "_|_||_||__|_|"); strTmp = strTmp.Replace("g", "_|_|_|__||_||"); strTmp = strTmp.Replace("h", "_||_|_|__||_|"); strTmp = strTmp.Replace("i", "_|_||_|__||_|"); strTmp = strTmp.Replace("j", "_|_|_||__||_|"); strTmp = strTmp.Replace("k", "_||_|_|_|__||"); strTmp = strTmp.Replace("l", "_|_||_|_|__||"); strTmp = strTmp.Replace("m", "_||_||_|_|__|"); strTmp = strTmp.Replace("n", "_|_|_||_|__||"); strTmp = strTmp.Replace("o", "_||_|_||_|__|"); strTmp = strTmp.Replace("p", "_|_||_||_|__|"); strTmp = strTmp.Replace("r", "_||_|_|_||__|"); strTmp = strTmp.Replace("q", "_|_|_|_||__||"); strTmp = strTmp.Replace("s", "_|_||_|_||__|"); strTmp = strTmp.Replace("t", "_|_|_||_||__|"); strTmp = strTmp.Replace("u", "_||__|_|_|_||"); strTmp = strTmp.Replace("v", "_|__||_|_|_||"); strTmp = strTmp.Replace("w", "_||__||_|_|_|"); strTmp = strTmp.Replace("x", "_|__|_||_|_||"); strTmp = strTmp.Replace("y", "_||__|_||_|_|"); strTmp = strTmp.Replace("z", "_|__||_||_|_|"); strTmp = strTmp.Replace("-", "_|__|_|_||_||"); strTmp = strTmp.Replace("*", "_|__|_||_||_|"); strTmp = strTmp.Replace("/", "_|__|__|_|__|"); strTmp = strTmp.Replace("%", "_|_|__|__|__|"); strTmp = strTmp.Replace("+", "_|__|_|__|__|"); strTmp = strTmp.Replace(".", "_||__|_|_||_|"); strTmp = strTmp.Replace("_", "<span style='height:" + height + ";width:" + width + ";background:#FFFFFF;'></span>"); strTmp = strTmp.Replace("|", "<span style='height:" + height + ";width:" + width + ";background:#000000;'></span>"); if (type_code == 1) { return strTmp + "<BR>" + code; } else { return strTmp; } } }