106 lines
2.8 KiB
C#
106 lines
2.8 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Net;
|
|
using System.Configuration;
|
|
using Newtonsoft.Json;
|
|
|
|
namespace Common
|
|
{
|
|
public sealed class WeiXinHelper
|
|
{
|
|
public static string AppId
|
|
{
|
|
get { return ConfigurationManager.AppSettings["WeiXinAppId"]; }
|
|
}
|
|
|
|
public static string AppSecret
|
|
{
|
|
get { return ConfigurationManager.AppSettings["WeiXinAppSecret"]; }
|
|
}
|
|
|
|
public static WeiXinAccessToken GetAccessToken()
|
|
{
|
|
string accessTokenUrl = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + AppId + "&secret=" + AppSecret;
|
|
|
|
using (WebClient client = new WebClient())
|
|
{
|
|
string result = client.DownloadString(accessTokenUrl);
|
|
return JsonConvert.DeserializeObject<WeiXinAccessToken>(result);
|
|
}
|
|
}
|
|
|
|
public static WeiXinJsApiTicket GetJsApiTicket(string accessToken)
|
|
{
|
|
string jsApiTicketUrl = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" + accessToken + "&type=jsapi";
|
|
|
|
using (WebClient client = new WebClient())
|
|
{
|
|
string result = client.DownloadString(jsApiTicketUrl);
|
|
return JsonConvert.DeserializeObject<WeiXinJsApiTicket>(result);
|
|
}
|
|
}
|
|
|
|
public static string CreateJsApiSignature(string jsApiTicket, string noncestr, int timestamp, string url)
|
|
{
|
|
string str = "jsapi_ticket=" + jsApiTicket + "&noncestr=" + noncestr + "×tamp=" + timestamp + "&url=" + url;
|
|
|
|
byte[] data = Encoding.Default.GetBytes(str);
|
|
|
|
byte[] hashcode = System.Security.Cryptography.SHA1.Create().ComputeHash(data);
|
|
|
|
return BitConverter.ToString(hashcode).Replace("-", "").ToLower();
|
|
}
|
|
|
|
public static string CreateNonceStr(uint length = 16)
|
|
{
|
|
string noncestr = "";
|
|
|
|
string chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
|
|
|
|
Random rand = new Random((int)DateTime.Now.Ticks);
|
|
|
|
for (int i = 0; i < length; i++)
|
|
{
|
|
noncestr += chars[rand.Next(chars.Length - 1)];
|
|
}
|
|
|
|
return noncestr;
|
|
}
|
|
|
|
public static int GetCurrentTimeStamp()
|
|
{
|
|
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
|
|
return (int)(DateTime.Now - startTime).TotalSeconds;
|
|
}
|
|
}
|
|
|
|
public class WeiXinResult
|
|
{
|
|
[JsonProperty("errcode")]
|
|
public int ErrorCode { get; set; }
|
|
|
|
[JsonProperty("errmsg")]
|
|
public string ErrorMsg { get; set; }
|
|
}
|
|
|
|
public class WeiXinAccessToken : WeiXinResult
|
|
{
|
|
[JsonProperty("access_token")]
|
|
public string AccessToken { get; set; }
|
|
|
|
[JsonProperty("expires_in")]
|
|
public int ExpiresIn { get; set; }
|
|
}
|
|
|
|
public class WeiXinJsApiTicket : WeiXinResult
|
|
{
|
|
[JsonProperty("ticket")]
|
|
public string Ticket { get; set; }
|
|
|
|
[JsonProperty("expires_in")]
|
|
public int ExpiresIn { get; set; }
|
|
}
|
|
}
|