.net开发微信公众平台实例教程(4)

}
/// <summary>
/// datetime转换成unixtime
/// </summary>
/// <param name="time"></param>
/// <returns></returns>
private int ConvertDateTimeInt(System.DateTime time)
{
        System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
        return (int)(time - startTime).TotalSeconds;
}
/// <summary>
/// 写日志(用于跟踪)，可以将想打印出的内容计入一个文本文件里面，便于测试
/// </summary>
public static void WriteLog(string strMemo, HttpServerUtility server)
{
        string filename = server.MapPath("/logs/log.txt");//在网站项目中建立一个文件夹命名logs（然后在文件夹中随便建立一个web页面文件，避免网站在发布到服务器之后看不到预定文件）
        if (!Directory.Exists(server.MapPath("//logs//")))
            Directory.CreateDirectory("//logs//");
        StreamWriter sr = null;
        try
        {
            if (!File.Exists(filename))
            {
                sr = File.CreateText(filename);
            }
            else
            {
                sr = File.AppendText(filename);
            }
            sr.WriteLine(strMemo);
        }
        catch
        {
        }
        finally
        {
            if (sr != null)
                sr.Close();
        }
}