using System; 
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using System.Diagnostics; 
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using System.Threading; 
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namespace LogLibrary.Log 
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{ 
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    internal unsafe class LogUtil 
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    { 
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        static ReaderWriterLockSlim lockSlim = new ReaderWriterLockSlim(); 
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        /// <summary> 
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        /// 格式式化Log信息 
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        /// </summary> 
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        /// <param name="format"></param> 
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        /// <param name="name"></param> 
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        /// <param name="logType"></param> 
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        /// <param name="log"></param> 
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        /// <returns></returns> 
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        private static string GetLogString(string name, string logType, string log) 
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        { 
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            return string.Format("[{0}]{1}-{2}: {3}", DateTime.Now.ToString("HH:mm:ss"), name, logType, log); 
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        } 
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        /// <summary> 
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        /// 获得日志要保存的路径 
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        /// </summary> 
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        /// <param name="name"></param> 
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        /// <param name="logType"></param> 
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        /// <returns></returns> 
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        private static string GetLogPath(string name, string logType) 
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        { 
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            string path = AppDomain.CurrentDomain.BaseDirectory + $"Logs/{DateTime.Now:yyyyMM}"; 
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            if (!System.IO.Directory.Exists(path)) 
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            { 
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                System.IO.Directory.CreateDirectory(path); 
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            } 
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            return System.IO.Path.Combine(path, string.Format("{0}_{1}_{2}.log", DateTime.Now.ToString("yyyy-MM-dd"), name, logType)); 
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        } 
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        public static void WriteLogFile(string name, string logType, string log) 
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        { 
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            string logPath = GetLogPath(name, logType); 
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            Trace.WriteLine(log); 
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            lockSlim.EnterWriteLock();//打开写操作锁 
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            try 
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            { 
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                FileUtil.WriteAppend(logPath, log); 
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            } 
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            finally 
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            { 
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                lockSlim.ExitWriteLock(); 
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            } 
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        } 
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    } 
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} 
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