weixin_api/jssdk/jssdk.aspx.cs

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using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using wx.Common;

namespace weixin_api.jssdk
{
    public partial class jssdk : System.Web.UI.Page
    {
        

        protected string appid="", ticket = "", timestamp = "", noceStr = "", url = "http://test2.newnets.cn/jssdk/jssdk.aspx", signature = "";
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                appid = ConfigurationManager.AppSettings["AppId"].ToString();
                ticket = Getjsapi_ticket();
                timestamp = GetTimestamp(DateTime.Now);//时间戳
                noceStr = GetNonceStr();
                url = Request.Url.ToString();
                signature = GetSignature(ticket,timestamp,noceStr,url);
                //Response.Write(appid);
                //Response.Write("<br/>");
                //Response.Write(url);
                //Response.Write("<br/>");
                //Response.Write(ticket);
                //Response.Write("<br/>");
                //Response.Write(signature);
            }
        }
        /// <summary>
        /// 获取生成签名
        /// </summary>
        /// <param name="wm">微信实体类</param>
        /// <returns></returns>
        public string GetSignature(string ticket, string timestamp, string noceStr,string url)
        {
            string signatureStr = string.Format("jsapi_ticket={0}&noncestr={1}&timestamp={2}&url={3}", ticket, noceStr, timestamp, url);
            //Response.Write(signatureStr);
            //return SHA1_Hash(signatureStr);
            return sha1(signatureStr);
        }
        private string sha1(string enstr)
        {
            var strRes = Encoding.Default.GetBytes(enstr);
            HashAlgorithm iSha = new SHA1CryptoServiceProvider();
            strRes = iSha.ComputeHash(strRes);
            var enText = new StringBuilder();
            foreach (byte iByte in strRes)
            {
                enText.AppendFormat("{0:x2}", iByte);
            }
            return enText.ToString();