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