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public
class qr{ public
qr() { // //TODO: 在此处添加构造函数逻辑 // } /* bg 背景颜色 bg=颜色代码，例如：bg=ffffff fg 前景颜色 fg=颜色代码，例如：fg=cc0000 gc 渐变颜色 gc=颜色代码，例如：gc=cc00000 el 纠错等级 el可用值：h\q\m\l，例如：el=h w 尺寸大小 w=数值（像素），例如：w=300 m 静区（外边距） m=数值（像素），例如：m=30 pt 定位点颜色（外框） pt=颜色代码，例如：pt=00ff00 inpt 定位点颜色（内点） inpt=颜色代码，例如：inpt=000000 logo logo图片 logo=图片地址，例如：logo=http://www.xxx.cn/logo.png */ public
static string GenerationCard(string
name, string
tel, string
email, string
logo = "") { string
RequestUrl = api; string
macard = "MECARD:N:"
+ name + ";TEL:"
+ tel + ";EMATL；"
+ email + ";"; RequestUrl += "?text="
+ macard; if
(logo != "") { RequestUrl += "&logo="
+ logo; } return
RequestUrl; }} |
生成二维码后台
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using
System;using
System.Collections.Generic;using
System.Linq;using
System.Web;using
System.Web.UI;using
System.Web.UI.WebControls;using
System.Net;using
System.IO;using
System.Drawing.Imaging;public
partial class creatCode : System.Web.UI.Page{ protected
void Page_Load(object
sender, EventArgs e) { if
(!IsPostBack) { try { string
url = qr.GenerationCard(Request["name"], Request["tel"], Request["email"]); WebRequest wreq = WebRequest.Create(url); HttpWebResponse wresp = (HttpWebResponse)wreq.GetResponse(); Stream s = wresp.GetResponseStream(); System.IO.MemoryStream ms = new
MemoryStream(); System.Drawing.Image img = System.Drawing.Image.FromStream(s); img.Save(ms, ImageFormat.Gif); Response.ClearContent(); Response.ContentType = "image/Gif"; Response.BinaryWrite(ms.ToArray()); img.Dispose(); s.Dispose(); } catch
(Exception ex) { throw; } } }} |
前台页面
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1 |
<%@ Page Language="C#"
AutoEventWireup="true"
CodeFile="creatCode.aspx.cs"
Inherits="creatCode"
%> |
调用页面
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<head> <title>生成验证码(演示)</title></head><body> <form action="creatCode.aspx"
id="form1"> <label for="txtName"> 姓名：</label> <input type="text"
name="txtName"
/><br /> <label for="tel"> 电话： </label> <input type="text"
name="tel"
/><br /> <label for="email"> 邮箱： </label> <input type="text"
name="email"
/><br /> <input type="submit"
name="submit"
value="生成验证码"
/> </form> <script type="text/javascript"> form1.submit.onclick = function () { var
name = form1.name.value; var
tel = form1.tel.value; var
email = form1.email.value; window.location.href = "/creatCode.aspx?name="
+ name + "&tel="
+ tel + "&email="
+ email; } </script></body></html> |
原文：http://www.cnblogs.com/qiailu/p/3592906.html
