/// <summary>
/// 生成token
/// <remarks>create by xingbo 18/12/29</remarks>
/// </summary>
/// <param name="userInfo">用户信息</param>
/// <param name="loginTime">登录时间</param>
/// <returns></returns>
public string GenerateToken(UserInfoPrincipal userInfo, DateTime?loginTime = null)
{
var claims = GenerateClaims(userInfo, loginTime ?? DateTime.Now);
return(_identity.GenerateToken(SecurityKey, claims));
}