C#(WPF) 日志管理
实例链接:C#,WPF日志管理C#编程--项目常用日志保存-C#文档类资源-CSDN下载
日志管理类:
///
/// 日志管理类
///
public class AppLog
{
public static LogLevel Level = LogLevel.INFO; //设置日志全局输出级别
public static bool IsHourSplit = true; //是否按小时拆分日志
public static int MaxCacheCount = 1000; //日志最大缓存数量
public const string LogDirectory = "C:\\MyProject\\AppLog\\";
private static AppLog gAppLog = null;
public static AppLog Instance { get { if (gAppLog == null) gAppLog = new AppLog(); return gAppLog; } }
private bool isClosed = false;
private static bool isEnd = false; //一定用static 如果不是 在Release下卡在WaitWriteEnd函数
private LogDataList outCacheList = new LogDataList();
private Dictionary outCacheDic = new Dictionary(); //文件名称和日志列表键值对
private static List SubmitList = new List(); //记录触发提交列表
private static string GetFilePath(DateTime time, string fileName)
{
//fileName不包括扩展名
string path = $"{LogDirectory}{time.Year}-{time.Month}-{time.Day}";
if (!Directory.Exists(path))
Directory.CreateDirectory(path);
if (IsHourSplit)
return path + $"\\{fileName}_" + time.Hour + ".txt";
return path + $"\\{fileName}.txt";
}
public enum LogLevel
{
DEBUG,
INFO,
WARN,
ERROR,
FATAL,
}
private class LogData
{
public string m_site = string.Empty;
public AppLog.LogLevel m_level = AppLog.LogLevel.INFO;
public string m_message = string.Empty;
public string m_fileName = "Log";
public LogData(AppLog.LogLevel level, string message, string fileName, string site = "")
{
m_level = level;
m_message = message;
m_fileName = fileName;
m_site = site;
}
}
private class LogDataList : List
{
public void Write(string path, DateTime time)
{
try
{
bool errorOrGreater = false;
using (FileStream stream = new FileStream(path, FileMode.Append, FileAccess.Write, FileShare.ReadWrite))
{
foreach (LogData data in this)
{
string text = time.ToString() + " " + $"[{data.m_level.ToString()}] " + data.m_message + System.Environment.NewLine;
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(text);
stream.Write(buffer, 0, buffer.Length);
stream.Flush();
if (data.m_level >= LogLevel.ERROR && !SubmitList.Contains(data.m_site))
{
SubmitList.Add(data.m_site);
errorOrGreater = true;
}
}
}
}
catch
{
}
}
}
private AppLog()
{
Task.Factory.StartNew(Upate);
}
///
/// 启动日志扫描
///
private void Upate()
{
while (true)
{
try
{
System.Threading.Thread.Sleep(1000);
//载入数据
lock (outCacheList)
{
if (isClosed && outCacheList.Count == 0) break;
foreach (LogData data in outCacheList)
{
if (outCacheDic.ContainsKey(data.m_fileName))
outCacheDic[data.m_fileName].Add(data);
else
{
LogDataList list = new LogDataList();
list.Add(data);
outCacheDic.Add(data.m_fileName, list);
}
}
outCacheList.Clear();
}
if (outCacheDic.Count == 0)
continue;
DateTime time = DateTime.Now;
foreach (var item in outCacheDic)
{
string fileName = item.Key;
LogDataList list = item.Value;
string path = GetFilePath(time, fileName);
list.Write(path, time);
}
outCacheDic.Clear();
}
catch //(Exception)
{
break;
}
}
isEnd = true;
}
///
/// 添加日志
///
///
private void Add(LogData data)
{
if (isClosed) return;
lock (outCacheList)
{
if (outCacheList.Count >= MaxCacheCount)
return;
outCacheList.Add(data);
}
}
///
/// 程序未捕获的异常
///
///
public static void AddException(Exception exp, string fileName = "Log")
{
string msg = exp.Message + System.Environment.NewLine
+ exp.ToString() + System.Environment.NewLine;
if (exp.InnerException != null)
{
msg += exp.InnerException.Message + System.Environment.NewLine
+ exp.InnerException.TargetSite + System.Environment.NewLine;
}
Instance.Add(new LogData(LogLevel.WARN, msg, fileName));
}
public static void AddMsg(string message, string fileName = "Log")
{
AddFormat("", "", message, fileName);
}
public static void AddFormat(string targetSite, string message, string append = "", string fileName = "Log")
{
AddFormat(LogLevel.INFO, targetSite, message, append, fileName);
}
public static void AddFormat(string targetSite, Exception exp, string append = "", string fileName = "Log")
{
AddFormat(LogLevel.WARN, targetSite, exp.Message, append, fileName);
}
public static void AddFormat(LogLevel level, string targetSite, string message, string append = "", string fileName = "Log")
{
if (level < Level) return;
string site = targetSite;
if (!string.IsNullOrEmpty(targetSite))
targetSite = $"[{targetSite}]";
if (!string.IsNullOrEmpty(message))
message = " " + message;
if (!string.IsNullOrEmpty(append))
append = " " + append;
Instance.Add(new LogData(level, targetSite + message + append, fileName, site));
}
public static void AddFormat(LogLevel level, string targetSite, Exception exp, string append = "", string fileName = "Log")
{
AddFormat(level, targetSite, exp.Message, append, fileName);
}
public void WaitToEnd()
{
isClosed = true;
while (!isEnd)
{
}
}
///
/// 清除多少天前的日志
///
///
public static void Clear(int beforeDay = 7)
{
string directory = LogDirectory;
try
{
if (!System.IO.Directory.Exists(directory)) return;
DateTime now = System.DateTime.Now;
List deletes = new List();
DirectoryInfo dinfo = new DirectoryInfo(directory);
foreach (DirectoryInfo temp in dinfo.GetDirectories())
{
try
{
string name = temp.Name;
string[] arr = name.Split('-');
DateTime dt = new DateTime(int.Parse(arr[0]), int.Parse(arr[1]), int.Parse(arr[2]));
TimeSpan ts = now - dt;
if (ts.Days > beforeDay)
deletes.Add(temp.FullName);
}
catch
{
deletes.Add(temp.FullName);
}
}
foreach (string temp in deletes)
System.IO.Directory.Delete(temp, true);
}
catch
{
}
}
}