/// <summary>
/// 获取微信授权信息
/// </summary>
/// <param name="code">微信授权码</param>
/// <returns></returns>
internal static async Task <WxToken> GetTokenAsync(string code = null)
{
string url = $"{WxConstants.CGI_BIN_TOKEN_URL}?grant_type=client_credential&appid={WxClient.WxOption.AppId}&secret={WxClient.WxOption.AppSecret}";
if (!string.IsNullOrEmpty(code))
{
url = $"{WxConstants.SNSAPI_OAUTH2_URL}?appid={WxClient.WxOption.AppId}&secret={WxClient.WxOption.AppSecret}&code={code}&grant_type=authorization_code";
return(await WxClient.GetAsync <WxToken>(url));
}
if (!WxClient.MemoryCache.TryGetValue(WxConstants.ACCESS_TOKEN_KEY, out WxToken token))
{
token = await WxClient.GetAsync <WxToken>(url);
WxClient.MemoryCache.Set(WxConstants.ACCESS_TOKEN_KEY, token, TimeSpan.FromSeconds(token.ExpiresIn));
}
return(token);
}
/// <summary>
/// 获取微信授权信息
/// </summary>
/// <param name="client">httpclient</param>
/// <param name="cache">memorycache</param>
/// <param name="logger">日志记录器，记录返回信息</param>
/// <param name="option">微信配置信息</param>
/// <param name="code">微信授权码</param>
/// <returns></returns>
internal static async Task <string> GetTicketAsync()
{
var token = await AccessTokenFactory.GetTokenAsync();
if (token == null)
{
return(string.Empty);
}
string url = $"{WxConstants.JSAPI_TICKET_URL}?access_token={token.AccessToken}&type=jsapi";
if (!WxClient.MemoryCache.TryGetValue(WxConstants.JS_API_TICKET_KEY, out WxTicket ticket))
{
ticket = await WxClient.GetAsync <WxTicket>(url);
WxClient.MemoryCache.Set("wechat_jsapi_ticket", ticket.Ticket, TimeSpan.FromSeconds(ticket.ExpiresIn));
}
return(ticket.Ticket);
}