微信 獲取wx.config 參數 基類 原文:微信 獲取wx.config 參數 基類

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Script.Serialization;
using System.Text;
using System.Web.Caching;

namespace Saturn.TTS.WMS.WeiXiPortal.HelperService
{
public class WXToolsHelper
{
/// <summary>
/// 獲取全局的access_token,程序緩存
/// </summary>
/// <param name="AppId">第三方用戶唯一憑證</param>
/// <param name="AppSecret">第三方用戶唯一憑證密鑰，即appsecret</param>
/// <returns>得到的全局access_token</returns>
public string Getaccess_token(string AppId, string AppSecret)
{
try
{
//先查緩存數據
if (HttpContext.Current.Cache["access_token"] != null)
{
return HttpContext.Current.Cache["access_token"].ToString();
}
else
{
return Gettoken(AppId, AppSecret);
}
}
catch
{
return Gettoken(AppId, AppSecret);
}
}

/// <summary>
/// 獲取全局的access_token
/// </summary>
/// <param name="AppId">第三方用戶唯一憑證</param>
/// <param name="AppSecret">第三方用戶唯一憑證密鑰，即appsecret</param>
/// <returns>得到的全局access_token</returns>
public string Gettoken(string AppId, string AppSecret)
{
var client = new System.Net.WebClient();
client.Encoding = System.Text.Encoding.UTF8;
var url = string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}", AppId, AppSecret);
var data = client.DownloadString(url);
var jss = new JavaScriptSerializer();
var access_tokenMsg = jss.Deserialize<Dictionary<string, object>>(data);
//放入緩存中
HttpContext.Current.Cache.Insert("access_token", access_tokenMsg["access_token"], null, DateTime.Now.AddSeconds(7100), TimeSpan.Zero, CacheItemPriority.Normal, null);

//清除jsapi_ticket緩存
HttpContext.Current.Cache.Remove("ticket");

//獲取jsapi_ticket,為了同步
GetTicket(access_tokenMsg["access_token"].ToString());

return access_tokenMsg["access_token"].ToString();
}

/// <summary>
/// 獲取jsapi_ticket,程序緩存
/// </summary>
/// <param name="access_token">全局的access_token</param>
/// <returns>得到的jsapi_ticket</returns>
public string GetJsapi_Ticket(string access_token)
{
try
{
//先查緩存數據
if (HttpContext.Current.Cache["ticket"] != null)
{
return HttpContext.Current.Cache["ticket"].ToString();
}
else
{
return GetTicket(access_token);
}
}
catch
{
return GetTicket(access_token);
}
}

/// <summary>
/// 獲取jsapi_ticket
/// </summary>
/// <param name="access_token">全局的access_token</param>
/// <returns>得到的jsapi_ticket</returns>
public string GetTicket(string access_token)
{
var client = new System.Net.WebClient();
client.Encoding = System.Text.Encoding.UTF8;
var url = string.Format("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={0}&type=jsapi", access_token);
var data = client.DownloadString(url);
var jss = new JavaScriptSerializer();
var ticketMsg = jss.Deserialize<Dictionary<string, object>>(data);
try
{
//放入緩存中
HttpContext.Current.Cache.Insert("ticket", ticketMsg["ticket"], null, DateTime.Now.AddSeconds(7100), TimeSpan.Zero, CacheItemPriority.Normal, null);
return ticketMsg["ticket"].ToString();
}
catch (Exception ex)
{
return ex.Message;
}
}

/// <summary>
/// 微信權限簽名的 sha1 算法
/// 簽名用的noncestr和timestamp必須與wx.config中的nonceStr和timestamp相同
/// </summary>
/// <param name="jsapi_ticket">獲取到的jsapi_ticket</param>
/// <param name="noncestr">生成簽名的隨機串</param>
/// <param name="timestamp">生成簽名的時間戳</param>
/// <param name="url">簽名用的url必須是調用JS接口頁面的完整URL</param>
/// <returns></returns>
public string GetShal(string jsapi_ticket, string noncestr, long timestamp, string url)
{
string strSha1 = string.Format("jsapi_ticket={0}&noncestr={1}&timestamp={2}&url={3}", jsapi_ticket, noncestr, timestamp, url);
return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(strSha1, "sha1").ToLower();
}

/// <summary>
/// 微信權限簽名( sha1 算法 )
/// 簽名用的noncestr和timestamp必須與wx.config中的nonceStr和timestamp相同
/// </summary>
/// <param name="AppId">第三方用戶唯一憑證</param>
/// /// <param name="AppSecret">第三方用戶唯一憑證密鑰，即appsecret</param>
/// <param name="noncestr">生成簽名的隨機串</param>
/// <param name="timestamp">生成簽名的時間戳</param>
/// <param name="url">簽名用的url必須是調用JS接口頁面的完整URL</param>
/// <returns></returns>
public string signature(string AppId, string AppSecret, string noncestr, long timestamp, string url)
{
string access_token = Getaccess_token(AppId, AppSecret); //獲取全局的access_token
string jsapi_ticket = GetJsapi_Ticket(access_token); //獲取jsapi_ticket

string strSha1 = string.Format("jsapi_ticket={0}&noncestr={1}&timestamp={2}&url={3}", jsapi_ticket, noncestr, timestamp, url);
return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(strSha1, "sha1").ToLower();
}

/// <summary>
/// 微信權限簽名( sha1 算法 )
/// 簽名用的noncestr和timestamp必須與wx.config中的nonceStr和timestamp相同
/// </summary>
/// <param name="AppId">第三方用戶唯一憑證</param>
/// /// <param name="AppSecret">第三方用戶唯一憑證密鑰，即appsecret</param>
/// <param name="noncestr">生成簽名的隨機串</param>
/// <param name="timestamp">生成簽名的時間戳</param>
/// <param name="url">簽名用的url必須是調用JS接口頁面的完整URL</param>
/// <returns></returns>
public void signatureOut(string AppId, string AppSecret, string noncestr, long timestamp, string url, out string access_token, out string jsapi_ticket, out string signature)
{
access_token = Getaccess_token(AppId, AppSecret); //獲取全局的access_token

jsapi_ticket = GetJsapi_Ticket(access_token); //獲取jsapi_ticket

string strSha1 = string.Format("jsapi_ticket={0}&noncestr={1}&timestamp={2}&url={3}", jsapi_ticket, noncestr, timestamp, url);

signature = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(strSha1, "sha1").ToLower();
}

private string[] strs = new string[]
{
"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z",
"A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"
};
/// <summary>
/// 創建隨機字符串
/// </summary>
/// <returns></returns>
public string CreatenNonce_str()
{
Random r = new Random();
var sb = new StringBuilder();
var length = strs.Length;
for (int i = 0; i < 15; i++)
{
sb.Append(strs[r.Next(length - 1)]);
}
return sb.ToString();
}

/// <summary>
/// 創建時間戳
/// </summary>
/// <returns></returns>
public long CreatenTimestamp()
{
return (DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000;
}

}
}

posted on 2017-01-24 13:44 NET未來之路 閱讀(...) 評論(...) 編輯 收藏

轉載于:https://www.cnblogs.com/lonelyxmas/p/6346963.html

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