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C# Log4net日志代码配置解决OCX不写日志问题

发布2018-06-08浏览1055次

详情内容

问题描述：

通过log4.config配置的时候在OCX（ActiveX IE插件模式 ）安装时默认路径（C:\Program Files (x86)）下权限不够没法创建和写入日志文件，CAB打包后也没有日志配置文件，为了解决这一问题，需要调整日志存储的路径，并将日志通过代码的方式来配置。

日志配置工具类：

  1. using log4net;
  2. using log4net.Appender;
  3. using log4net.Core;
  4. using log4net.Filter;
  5. using log4net.Layout;
  6. using log4net.Repository.Hierarchy;
  7. using SQ.Base;
  8. using System;
  9. using System.Collections.Generic;
  10. using System.Linq;
  11. using System.Text;
  12. using System.Threading.Tasks;
  13.  
  14. namespace CvNetVideo.Logs
  15. {
  16.     /// <summary>
  17.     /// 日志设置类
  18.     /// </summary>
  19.     public class LogSettings
  20.     {
  21.  
  22.         RollingFileAppender appenderForInfo = new RollingFileAppender();
  23.  
  24.         RollingFileAppender appenderForError = new RollingFileAppender();
  25.  
  26.         private static LogSettings instance;
  27.  
  28.         private static object myLock = new object();
  29.  
  30.         public static string GetLogPath()
  31.         {
  32.             return FileHelp.GetAppDataLocalLow() + "\\CvNetVideo\\Logs\\";
  33.         }
  34.  
  35.         public static string GetInfoPath(string path=null)
  36.         {
  37.             if (path==null)
  38.             {
  39.                 return FileHelp.GetAppDataLocalLow() + "\\CvNetVideo\\Logs\\InfoLog\\";
  40.             }
  41.             return FileHelp.GetAppDataLocalLow() + "\\CvNetVideo\\Logs\\InfoLog\\"+path;
  42.         }
  43.  
  44.         public static string GetErrorPath(string path = null)
  45.         {
  46.             if (path == null)
  47.             {
  48.                 return FileHelp.GetAppDataLocalLow() + "\\CvNetVideo\\Logs\\ErrorLog\\";
  49.             }
  50.             return FileHelp.GetAppDataLocalLow() + "\\CvNetVideo\\Logs\\ErrorLog\\" + path;
  51.         }
  52.  
  53.         /// <summary>
  54.         /// 初始化配置
  55.         /// </summary>
  56.         private LogSettings()
  57.         {
  58.             ConfigInfoLog(GetInfoPath());
  59.             ConfigErrorLog(GetErrorPath());
  60.         }
  61.  
  62.         /// <summary>
  63.         /// 获取单例对象配置
  64.         /// </summary>
  65.         /// <returns></returns>
  66.         public static LogSettings getInstance()
  67.         {
  68.             lock (myLock)
  69.             {
  70.                 if (instance == null)
  71.                 {
  72.                     instance = new LogSettings();
  73.                 }
  74.                 return instance;
  75.             }
  76.         }
  77.  
  78.         /// <summary>
  79.         /// 设置系统所用Log实例
  80.         /// </summary>
  81.         /// <param name="logType"></param>
  82.         public void SetLogger(LOGTYPE logType)
  83.         {
  84.             Log.Log4= LogManager.GetLogger(logType.ToString());
  85.             Console.WriteLine(Log.Log4);
  86.         }
  87.  
  88.         /// <summary>
  89.         /// 设置普通日志信息
  90.         /// </summary>
  91.         private void ConfigInfoLog(string path)
  92.         {
  93.             //设置日志名称
  94.             appenderForInfo.Name = LOGTYPE.INFO.ToString();
  95.             //设置文件路径
  96.             appenderForInfo.File = path;
  97.             //是否在文件中追加
  98.             appenderForInfo.AppendToFile = true;
  99.             //按照文件的大小进行变换日志文件
  100.             //appenderForInfo.RollingStyle = RollingFileAppender.RollingMode.Size;// 保持一个文件，路径:appenderForInfo.File ="..../*.log"
  101.             appenderForInfo.RollingStyle = RollingFileAppender.RollingMode.Composite;
  102.             //最大变换数量
  103.             appenderForInfo.MaxSizeRollBackups = 100;
  104.             //最大文件大小
  105.             appenderForInfo.MaximumFileSize = "10MB";
  106.             //日志文件名是否为静态
  107.             appenderForInfo.StaticLogFileName = false;
  108.             //日期格式
  109.             appenderForInfo.DatePattern = "'INFO_'yyyy-MM-dd'.log'";
  110.             //设置输出日志格式
  111.             PatternLayout patternLayout = new PatternLayout();
  112.             patternLayout.ConversionPattern = "%d [%t] %-5p %c [%x]  - %m%n";
  113.             //启用正则输出
  114.             patternLayout.ActivateOptions();
  115.             //模式布局
  116.             appenderForInfo.Layout = patternLayout;
  117.             //添加日志等级过滤
  118.             LevelRangeFilter levelRangeFilter = new LevelRangeFilter();
  119.             //Level级别由低到高:ALL DEBUG INFO WARN ERROR FATAL None
  120.             levelRangeFilter.LevelMax = Level.Info;
  121.             levelRangeFilter.LevelMin = Level.All;
  122.             appenderForInfo.AddFilter(levelRangeFilter);
  123.             //启用当前配置 
  124.             appenderForInfo.ActivateOptions();
  125.             //设置到配置
  126.             log4net.Config.BasicConfigurator.Configure(appenderForInfo);
  127.         }
  128.  
  129.         /// <summary>
  130.         /// 设置错误日志信息
  131.         /// </summary>
  132.         private void ConfigErrorLog(string path)
  133.         {
  134.             //设置日志名称
  135.             appenderForError.Name = LOGTYPE.ERRORD.ToString();
  136.             //设置文件路径
  137.             appenderForError.File = path;
  138.             //是否在文件中追加
  139.             appenderForError.AppendToFile = true;
  140.             //按照文件的大小进行变换日志文件
  141.             appenderForError.RollingStyle = RollingFileAppender.RollingMode.Composite;
  142.             //最大变换数量
  143.             appenderForError.MaxSizeRollBackups = 100;
  144.             //最大文件大小
  145.             appenderForError.MaximumFileSize = "10MB";
  146.             //日志文件名是否为静态
  147.             appenderForError.StaticLogFileName = false;
  148.             //日期格式
  149.             appenderForError.DatePattern ="'ERROR_'yyyy-MM-dd'.log'";
  150.             //设置输出日志格式
  151.             PatternLayout patternLayout = new PatternLayout();
  152.             patternLayout.ConversionPattern = "%d [%t] %-5p %c [%x]  - %m%n";
  153.             //启用正则输出
  154.             patternLayout.ActivateOptions();
  155.             //模式布局
  156.             appenderForError.Layout = patternLayout;
  157.             //添加日志等级过滤
  158.             LevelRangeFilter levelRangeFilter = new LevelRangeFilter();
  159.             // Level级别由低到高:ALL DEBUG INFO WARN ERROR FATAL None
  160.             levelRangeFilter.LevelMax = Level.Fatal;
  161.             levelRangeFilter.LevelMin = Level.Warn;
  162.             appenderForError.AddFilter(levelRangeFilter);
  163.             //启用当前配置 
  164.             appenderForError.ActivateOptions();
  165.             //设置到配置
  166.             log4net.Config.BasicConfigurator.Configure(appenderForError);
  167.         }
  168.     }
  169. }
  170.

调用方式（DEBUG才允许调用）：

  1. #if DEBUG
  2.  
  3.             // 调试用代码
  4.             // 设置系统日志
  5.             LogSettings.getInstance().SetLogger(LOGTYPE.INFO);
  6.             Log.WriteLog4("LogSettings.getInstance().SetLogger(LOGTYPE.INFO)" + DateTime.Now);
  7.  
  8. #endif

打开文件路径：

  1.   private void tsmiLogManage_Click(object sender, EventArgs e)
  2.         {
  3.             Log.WriteLog4(DateTime.Now+"----------------------------------查看运行日志-----------------------------");
  4.             System.Diagnostics.Process.Start(@FileHelp.GetAppDataLocalLow() + "\\Logs");
  5.         }

效果如下图：

系统文件操作：

  1.  /// <summary>
  2.         /// 用户路径
  3.         /// </summary>
  4.         /// <returns></returns>
  5.         public static string GetUserProfile()
  6.         {
  7.             return Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
  8.         }
  1.  /// <summary>
  2.         /// IE保护模式下的低权限操作路径(%userprofile%/AppData/LocalLow)
  3.         /// 参考：https://blog.csdn.net/xt_xiaotian/article/details/5336809
  4.         /// </summary>
  5.         /// <returns></returns>
  6.         public static string GetAppDataLocalLow()
  7.         {
  8.             return GetUserProfile() + "\\AppData\\LocalLow";
  9.         }

输出样式说明：

%m(message):输出的日志消息，如ILog.Debug(…)输出的一条消息
%n(new line):换行
%d(datetime):输出当前语句运行的时刻
%r(run time):输出程序从运行到执行到当前语句时消耗的毫秒数
%t(thread id):当前语句所在的线程ID
%p(priority): 日志的当前优先级别，即DEBUG、INFO、WARN…等
%c(class):当前日志对象的名称，例如：
%f(file):输出语句所在的文件名。
%l(line)：输出语句所在的行号。
%数字：表示该项的最小长度，如果不够，则用空格填充，如“%-5level”表示level的最小宽度是5个字符，如果实际长度不够5个字符则以空格填充。


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