代码分析 公用类库

公用类库代码 常用方法
namespace UtilityLibary
{
    public interface ILog
    {
        int FileSize { get; set; }

        /// <summary>
        /// 写入log到指定文件
        /// </summary>
        /// <param name="msg"></param>
        /// <param name="fullpath"></param>
        void Log(string msg, string fullpath); 
    }

    public interface INetHelper
    {
        HttpWebRequest WebRequestInstance { get; set; }
        HttpWebResponse WebResponseInstance { get; set; }
        string Url { get; set; } 
    }

    public interface IUtility
    {
        /// <summary>
        /// md5 加密 返回信息都是小写
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        string MD5Encrypt(string input);

        /// <summary>
        /// 转化时间为时间戳
        /// </summary>
        /// <param name="dt"></param>
        /// <returns></returns>
        long ConvertDateTimeToLong(DateTime dt);

        /// <summary>
        /// 转化时间戳为时间
        /// </summary>
        /// <param name="times"></param>
        /// <returns></returns>
        DateTime ConvertLongToDateTime(long times);

    }

    public interface IFile
    {
        string GetCurrentDirectory();
        string GetSystemDriveDirectory();
        string GetCurrentWorkDirectory();
    }

    public abstract class FileBase : IFile
    {  
        public string GetCurrentDirectory()
        {
            return System.Environment.CurrentDirectory; 
        }

        public string GetSystemDriveDirectory()
        {
            throw new NotImplementedException();
        }

        public string GetCurrentWorkDirectory()
        {
            return System.IO.Directory.GetCurrentDirectory();
        }
    }

    public class FileHelper : FileBase
    { 
        
    }

    public class LogHelper : ILog
    {
        private object mux = new object();
        public int FileSize
        {
            get;
            set;
        }

        public void Log(string msg, string fullpath)
        {
            lock (mux)
            {
                if (!File.Exists(fullpath))
                {
                    using (File.Create(fullpath)) { }
                }
                using (StreamWriter sw = new StreamWriter(fullpath))
                {
                    sw.WriteLine(msg);
                }
            }
        }

        public void Log(string msg, string directoryPath, bool autoCreateDateDirectory = true)
        {
            lock (mux)
            {
                if (autoCreateDateDirectory)
                {
                    string dateDirectory = Path.Combine(directoryPath, DateTime.Now.ToString("yyyyMMdd"));
                    if (!Directory.Exists(dateDirectory))
                    {
                        Directory.CreateDirectory(directoryPath);
                    }
                    string txtPath = Path.Combine(dateDirectory, "log.txt");
                    if (!File.Exists(txtPath))
                    {
                        using (File.Create(txtPath)) { }
                    }
                    using (StreamWriter sw = new StreamWriter(txtPath, true, Encoding.UTF8))
                    {
                        sw.WriteLine(msg);
                    }
                }
            }
        }
    }

    public class NetHelper : INetHelper
    {
        public HttpWebRequest WebRequestInstance
        {
            get;
            set;
        }

        public HttpWebResponse WebResponseInstance
        {
            get;
            set;
        }
         
        public string Url
        {
            get;
            set;
        }

        public delegate void RequestStreamHandle(HttpWebRequest request);
        /// <summary>
        /// 对请求流做操作
        /// </summary>
        public event RequestStreamHandle RequestStreamEvent;

        public delegate void ResponseStreamHandle(HttpWebResponse request);
        /// <summary>
        /// 对返回流做处理
        /// </summary>
        public event ResponseStreamHandle ResponseStreamEvent;

        public delegate void UserAgengtHandle(HttpWebRequest request);
        public event UserAgengtHandle UserAgengtEvent;

        public NetHelper(string url)
        {
            this.Url = url;
        }

        public void GetResponse()
        {
            if (!string.IsNullOrEmpty(Url))
            {
                throw new Exception("Url can't be empty");
            }
            WebRequestInstance = WebRequest.Create(this.Url) as HttpWebRequest;

            WebRequestInstance.Method = "POST";
            WebRequestInstance.UserAgent = "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.131 Safari/537.36";
             
            if (UserAgengtEvent != null)
            {
                UserAgengtEvent(WebRequestInstance);
            }

            if (RequestStreamEvent != null)
            {
                RequestStreamEvent(WebRequestInstance);
            }
            try
            {
                WebResponseInstance = WebRequestInstance.GetResponse() as HttpWebResponse;
            }
            catch (Exception ex)
            {
                if (ex is WebException)
                {
                    WebResponseInstance = (ex as WebException).Response as HttpWebResponse;
                }
            }
            if (ResponseStreamEvent != null)
            {
                ResponseStreamEvent(WebResponseInstance);
            }
        }


    }

    public class Utility : IUtility
    {
        public string MD5Encrypt(string input)
        {
            byte[] result = Encoding.Default.GetBytes(input);    //tbPass为输入密码的文本框
            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] output = md5.ComputeHash(result);
            return BitConverter.ToString(output).Replace("-", "").ToLower(); 
        }

        public long ConvertDateTimeToLong(DateTime dt)
        {
            System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
            return (long)(dt - startTime).TotalSeconds;
        }

        public DateTime ConvertLongToDateTime(long times)
        {
            DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
            long lTime = long.Parse(times + "0000000");
            TimeSpan toNow = new TimeSpan(lTime); return dtStart.Add(toNow);
        }

　　　　

public string GetIp()//得到IP地址
{
string result = System.Web.HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (string.IsNullOrEmpty(result))
{
result = System.Web.HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}
else if (string.IsNullOrEmpty(result))
{
result = System.Web.HttpContext.Current.Request.UserHostAddress;
}
return result;

}

    }

}