120 lines
4.5 KiB
C#
120 lines
4.5 KiB
C#
using Infrastructure;
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using Infrastructure.Extensions;
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using Newtonsoft.Json;
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using System;
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using System.Security.Cryptography;
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using System.Text;
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using ZR.Common.Model;
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namespace ZR.Common
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{
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public class WxHelper
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{
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private static readonly string GetTokenUrl = "https://api.weixin.qq.com/cgi-bin/token";
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private static readonly string GetTicketUrl = "https://api.weixin.qq.com/cgi-bin/ticket/getticket";
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private static readonly string AppID = AppSettings.App(new string[] { "WxOpen", "AppID" });
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private static readonly string AppSECRET = AppSettings.App(new string[] { "WxOpen", "AppSecret" });
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/// <summary>
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/// 获取访问token
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/// </summary>
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/// <returns>
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/// {"errcode":0,"errmsg":"ok","access_token":"iCbcfE1OjfRhV0_io-CzqTNC0lnrudeW3oF5rhJKfmINaxLClLa1FoqAY_wEXtodYh_DTnrtAwZfzeb-NRXvwiOoqUTHx3i6QKLYcfBtF8y-xd5mvaeaf3e9mvTAPhmX0lkm1cLTwRLmoa1IwzgQ-QZEZcuIcntWdEMGseVYok3BwCGpC87bt6nNdgnekZdFVRp1uuaxoctDGlXpoQlQsA","expires_in":7200}
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/// </returns>
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private static WxTokenResult GetAccessToken()
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{
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if (AppID.IsEmpty() || AppSECRET.IsEmpty())
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{
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Console.WriteLine("公众号配置错误");
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throw new ArgumentException("公众号配置错误");
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};
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var Ck = "wx_token";
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string getTokenUrl = $"{GetTokenUrl}?grant_type=client_credential&appid={AppID}&secret={AppSECRET}";
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if (CacheHelper.Get(Ck) is WxTokenResult tokenResult)
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{
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return tokenResult;
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}
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else
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{
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string result = HttpHelper.HttpGet(getTokenUrl);
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tokenResult = JsonConvert.DeserializeObject<WxTokenResult>(result);
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if (tokenResult?.errcode == 0)
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{
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CacheHelper.SetCache(Ck, tokenResult, 110);
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}
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else
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{
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Console.WriteLine("GetAccessToken失败,结果=" + result);
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throw new Exception("获取AccessToken失败");
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}
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}
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return tokenResult;
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}
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/// <summary>
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/// 获取ticket
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/// </summary>
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/// <returns></returns>
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public static WxTokenResult GetTicket()
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{
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WxTokenResult token = GetAccessToken();
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string ticket = token?.access_token;
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var Ck = "wx_ticket";
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string getTokenUrl = $"{GetTicketUrl}?access_token={ticket}&type=jsapi";
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if (CacheHelper.Get(Ck) is WxTokenResult tokenResult)
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{
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return tokenResult;
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}
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else
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{
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string result = HttpHelper.HttpGet(getTokenUrl);
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tokenResult = JsonConvert.DeserializeObject<WxTokenResult>(result);
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if (tokenResult?.errcode == 0)
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{
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CacheHelper.SetCache(Ck, tokenResult, 110);
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}
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else
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{
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Console.WriteLine("GetTicket，结果=" + result);
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throw new Exception("获取ticket失败");
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}
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}
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return tokenResult;
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}
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/// <summary>
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/// 返回正确的签名
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/// </summary>
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/// <param name="jsapi_ticket"></param>
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/// <param name="timestamp"></param>
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/// <param name="noncestr"></param>
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/// <param name="url"></param>
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/// <returns></returns>
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public static string GetSignature(string jsapi_ticket, string timestamp, string noncestr, string url = null)
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{
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if (string.IsNullOrEmpty(jsapi_ticket) || string.IsNullOrEmpty(noncestr) || string.IsNullOrEmpty(timestamp) || string.IsNullOrEmpty(url))
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return null;
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//将字段添加到列表中。
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string[] arr = new[]
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{
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string.Format("jsapi_ticket={0}",jsapi_ticket),
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string.Format("noncestr={0}",noncestr),
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string.Format("timestamp={0}",timestamp),
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string.Format("url={0}",url)
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};
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//字典排序
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Array.Sort(arr);
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//使用URL键值对的格式拼接成字符串
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var temp = string.Join("&", arr);
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var sha1Arr = SHA1.HashData(Encoding.UTF8.GetBytes(temp));
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return BitConverter.ToString(sha1Arr).Replace("-", "").ToLower();
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}
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}
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}
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