微信公众平台接入方式(asp.net)
第一步:使用vs2012等等建一个web站点
1.1 建立完成后，新建一个接入的页面，以aspx为例
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace weixin.weixin
{
/// <summary>
/// 接入微信公众平台
/// </summary>
public partial class weixin_api : System.Web.UI.Page
{
/// <summary>
/// 此token(票据)和服务器一致即可，可以随便写
/// </summary>
private const string token = "mmmv390crazyhs";
//是从微信服务器发来的url，并不是某人访问浏览器的url
protected void Page_Load(object sender, EventArgs e)
{
string url = Request.Url.ToString();
WriteLog("url:"+url);
//开始验证
Valid();
string postStr = "";
if (Request.HttpMethod.ToLower() == "post")
{
Stream s = System.Web.HttpContext.Current.Request.InputStream;
byte[] b = new byte[s.Length];
s.Read(b, 0, (int)s.Length);
postStr = Encoding.UTF8.GetString(b);
if (!string.IsNullOrEmpty(postStr))
{
ResponseMsg(postStr);
}
//WriteLog("postStr:" + postStr);
}
}
/// <summary>
/// 2.0 调用CheckSignature方法验证签名是否正确，如果正确，就把从微信服务器上发来的ehcostr再返回给微信服务器，这样就微信公众平台服务器就知道接入成功了
/// </summary>
/// *
/// *
/// *
public void Valid()
{
string echostr = Request.Params["echostr"];
if (CheckSignature())
{
//如果微信签名验证成功
if (!string.IsNullOrEmpty(echostr))
{
WriteLog("echoStr不为null:" + echostr);
Response.Write(echostr);
Response.End();;
}
}
}
/// <summary>
/// 1.0 验证微信签名[应该是防止被人在网络上嗅探到明文的 token(票据)]
/// </summary>
///* 将token、timestamp、nonce三个参数进行字典序排序
///* 将三个参数字符串拼接成一个字符串进行sha1加密
///*开发者获得加密后的字符串可与signature对比，标识该请求来源于微信。
/// http://www.rdpsafe.com/weixin/weixin_api.aspx?timestamp=1421492404&nonce=1067705734&signature=7da3235a00c03a14105741dbb306e193871be8fb
///<returns></returns>
public bool CheckSignature()
{
bool res = false;
//1.1 接收微信服务器发来的签名,用来做最后的比较
string signatureFromWeixinServ = Request.Params["signature"];
//1.2 接收timestamp
string timestamp = Request.Params["timestamp"];
//1.3 接收nonce
string nonce = Request.Params["nonce"];
//1.4 开始用timestamp和nonce来组装加密成signature来跟接收到的signature比较
//1.4.1 合并三个字符串到字符串数组中
string[] arrStrs = { token, timestamp, nonce };
//1.4.2 排序
Array.Sort(arrStrs);
//1.4.3 接收返回的字符串
string resStr = string.Join("", arrStrs);
//调试
WriteLog("token:" + token);
WriteLog("timestamp:" + timestamp);
WriteLog("nonce:" + nonce);
WriteLog("返回的是:" + resStr);
WriteLog("提交来的签名:"+signatureFromWeixinServ);
//1.4.4 使用sha1加密算法加密
resStr = FormsAuthentication.HashPasswordForStoringInConfigFile(resStr, "SHA1");
//1.4.5 变成小写
resStr = resStr.ToLower();
//1.5 比较后返回
if (resStr.Equals(signatureFromWeixinServ))
{
res = true;
}
else
{
res = false;
}
return res;
}
/// <summary>
/// 3.0 返回信息结果(微信信息返回)
/// </summary>
/// <param name="weixinXML"></param>
private void ResponseMsg(string weixinXML)
{
//回复消息的部分:你的代码写在这里
}
public void WriteLog(string log)
{
string filename = Server.MapPath("/logs/log.txt");
if (!Directory.Exists(Server.MapPath("//logs//")))
Directory.CreateDirectory(Server.MapPath("/")+"//logs//");
StreamWriter sr = null;
try
{
if (!File.Exists(filename))
{
sr = File.CreateText(filename);
}
else
{
sr = File.AppendText(filename);
}
sr.WriteLine(log);
}
catch
{
}
finally
{
if (sr != null)
sr.Close();
}
}
/// <summary>
/// datetime转换为unixtime
/// </summary>
/// <param name="time"></param>
/// <returns></returns>
private int ConvertDateTimeInt(System.DateTime time)
{
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
return (int)(time - startTime).TotalSeconds;
}
}
}第二步: 如果没有安装IIS,以本机为例，先安装一个iis
2.1 安装iis,以win8.1为例 ,快捷键CTRL+X,在弹出的选项卡中选择"程序和功能",在弹出的窗口中点击"启用和关闭window功能"
2.2在iis中新建一个网站，并把目录指向vs2012中网站项目的根目录即可
这样就OK了
原文地址：http://blog.csdn.net/mmmv390/article/details/42808125
