C# DataTime时间比较简单使用

    /// 

    /// 传入本地或服务器系统时间做判断 true:还在签约中,false:签约已经过期
    /// 
    /// true, if system time was localed, false otherwise.
    public static bool LocalSystemTime (DateTime currentTime, DateTime authorizeTime)
    {    
        return authorizeTime > currentTime;
    }