/// <summary>
/// 获取Access_token
/// </summary>
/// <returns></returns>
public async Task <string> GetAccess_token()
{
var Cathtoken = CaCheHelper.GetCache("AppToken");
if (Cathtoken == null)
{
var data = _weiXinDb.WeiXinConfigs.FirstOrDefault(p => p.AppId == AppID);
if (data == null)
{
return(null);
}
if (data.Token_EndDate.HasValue)
{
if (data.Token_EndDate.Value.AddMinutes(-10) > DateTime.Now)
{
CaCheHelper.SetCache("AppToken", data.Token);
return(data.Token);
}
}
var token = await WeiXinApi.GetAccess_token(AppID, AppSecret);
if (token == null)
{
return(null);
}
data.Token = token;
data.Token_EndDate = DateTime.Now.AddHours(2);
_weiXinDb.SaveChanges();
CaCheHelper.SetCache("AppToken", data.Token);
return(data.Token);
}
return(Cathtoken.ToString());
}
