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Common/log/Log.cs

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+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Common
+{
+    public class Log
+    {
+        /// <summary>
+        /// 禁止通过new创建实例
+        /// </summary>
+        private Log() { }
+
+        private static Log log;
+
+        // 定义一个标识确保线程同步
+        private static readonly object locker = new object();
+
+        public static Log GetInstance()
+        {
+            if (log == null)
+            {
+                lock (locker)
+                {
+                    if (log == null)
+                    {
+                        log = new Log();
+                    }
+                }
+            }
+            return log;
+        }
+
+        /// <summary>
+        /// 写入日志
+        /// </summary>
+        /// <param name="iType">0智能终端  1数据采集 2网络状态 3计量实绩 4计量监控 5远程计量 6静态衡 7动态衡 8成品秤</param>
+        /// <param name="str"></param>
+        public void WriteLog(int iType, string str)
+        {
+            try
+            {
+                string strLogName = "";
+                switch (iType)
+                {
+                    case 0:
+                        strLogName = "计量终端_"; 
+                        break;
+                    case 1:
+                        strLogName = "数据采集_";
+                        break;
+                    case 2:
+                        strLogName = "网络状态_";
+                        break;
+                    case 3:
+                        strLogName = "计量实绩_";
+                        break;
+                    case 4:
+                        strLogName = "计量监控_";
+                        break;
+                    case 5:
+                        strLogName = "远程计量_";
+                        break;
+                    case 6:
+                        strLogName = "静态衡计量_";
+                        break;
+                    case 7:
+                        strLogName = "动态衡计量_";
+                        break;
+                    case 8:
+                        strLogName = "热送磅计量_";
+                        break;
+                    case 9:
+                        strLogName = "提示信息_";
+                        break;
+                    case 10:
+                        strLogName = "打印日志_";
+                        break;
+                    case 11:
+                        strLogName = "静态衡公共事件_";
+                        break;
+                    case 12:
+                        strLogName = "主线程扫码设备_";
+                        break;
+                    case 13:
+                        strLogName = "tryCatch异常_";
+                        break;
+                    case 14:
+                        strLogName = "保存按钮状态_";
+                        break;
+                    case 15:
+                        strLogName = "按钮点击日志_";
+                        break;
+                    case 16:
+                        strLogName = "服务调用日志_";
+                        break;
+                    case 17:
+                        strLogName = "自动卸货日志_";
+                        break;
+                    case 18:
+                        strLogName = "复磅计量_";
+                        break;
+                    case 19:
+                        strLogName = "热送磅计量异常_";
+                        break;
+                    case 20:
+                        strLogName = "零点报警_";
+                        break;
+                    case 22:
+                        strLogName = "皮带秤计量异常_";
+                        break;
+                    case 23:
+                        strLogName = "吊钩秤计量异常_";
+                        break;
+                    case 24:
+                        strLogName = "检化验接口日志_";
+                        break;
+                    default: 
+                        strLogName = "计量终端_"; 
+                        break;
+                }
+
+                string m_szRunPath;
+                m_szRunPath = System.Environment.CurrentDirectory;
+                if (System.IO.Directory.Exists(m_szRunPath + "\\log") == false)
+                {
+                    System.IO.Directory.CreateDirectory(m_szRunPath + "\\log");
+                }
+                string strDate = System.DateTime.Now.ToString("yyyyMMdd");
+                string strPathFile = m_szRunPath + "\\log\\" + strDate;
+                if (!Directory.Exists(strPathFile))//如果不存在就创建file文件夹
+                {
+                    Directory.CreateDirectory(strPathFile);
+                }
+                System.IO.TextWriter tw = new System.IO.StreamWriter(strPathFile + "\\" + strLogName + strDate + ".log", true);
+
+                tw.WriteLine(System.DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
+                tw.WriteLine(str);
+                tw.WriteLine("\r\n");
+
+                tw.Close();
+            }
+            catch (Exception ex)
+            {
+
+            }
+        }
+        public class LogTwArray
+        {
+            public string Name;
+            public DateTime LastWriteTime;
+            public TextWriter tw = null;
+            public string LastText = "";
+        }
+        static Dictionary<string, List<LogTwArray>> ht_pre = new Dictionary<string, List<LogTwArray>>();
+        private static DateTime _lastCleanTime = DateTime.Now;
+        private static Mutex mtx = new Mutex();
+        static string m_szRunPath = System.Environment.CurrentDirectory;
+        /// <summary>
+        /// 写入日志
+        /// </summary>
+        /// <param name="prefix">日志文件名前缀</param>
+        /// <param name="str"></param>
+        public  void WriteLog(string prefix, string str)
+        {
+            string strDate = DateTime.Now.ToString("yyyyMMdd");
+            string strPathFile = m_szRunPath + "\\log\\" + strDate;
+            List<LogTwArray> tws = null;
+            LogTwArray lta = null;
+            try
+            {
+                if (ht_pre.ContainsKey(prefix))
+                {
+                    tws = ht_pre[prefix];
+                }
+                else
+                {
+                    tws = new List<LogTwArray>();
+                    if (!Directory.Exists(strPathFile))
+                    {
+                        Directory.CreateDirectory(strPathFile);
+                    }
+                    ht_pre.Add(prefix, tws);
+                }
+
+                lta = tws.Find(x => x.Name.Equals(strDate));
+                if (lta == null || !lta.Name.Equals(strDate))
+                {
+                    lta = new LogTwArray();
+                    lta.Name = strDate;
+                    lta.tw = new StreamWriter(strPathFile + "\\" + prefix + "_" + strDate + ".log", true);
+                    tws.Add(lta);
+                }
+                if (lta.LastText.Equals(str)) return;
+
+                lta.LastWriteTime = DateTime.Now;
+                lta.tw.WriteLine(System.DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
+                lta.tw.WriteLine(str);
+                lta.tw.WriteLine("\r\n");
+                lta.tw.Flush();
+                lta.LastText = str;
+            }
+            catch { }
+
+
+            if (mtx.WaitOne(0))
+            {
+                try
+                {
+                    lock (ht_pre)
+                    {
+                        DateTime dt = DateTime.Now;
+                        if (TimeSpan.FromTicks(dt.Ticks - _lastCleanTime.Ticks).TotalMinutes > 15)
+                        {
+                            foreach (List<LogTwArray> llta in ht_pre.Values)
+                            {
+                                List<LogTwArray> llta2 = llta.FindAll(x => TimeSpan.FromTicks(dt.Ticks - x.LastWriteTime.Ticks).TotalMinutes > 15);
+                                if (llta2 != null)
+                                {
+                                    foreach (LogTwArray lt in llta2)
+                                    {
+                                        lt.tw.Close();
+                                    }
+                                }
+                                llta.RemoveAll(x => TimeSpan.FromTicks(dt.Ticks - x.LastWriteTime.Ticks).TotalMinutes > 15);
+                            }
+                        }
+                    }
+                }
+                finally
+                {
+                    mtx.ReleaseMutex();
+                }
+            }
+
+        }
+
+    }
+}