C#日志记录设计与实现（BenXHLog）

C#日志记录设计与实现

日志记录：

日志记录在程序设计开发过程中，是非常重要的，可以供调试和记录数据，虽然说有开源的强大日志管理系统，比如apache的Log4Net，功能可谓强悍，但是有时候，不需要这么大的日志，只需要显示和文件记录就可以了，没必要用这么重的日志系统，那么就需要自己来写，如下就是一个简单的日志记录和显示模块的设计和实现，如有不足，还望见谅！废话不多，直入主题。

笨小孩日志：BenXHLog

类文件设计：

文件结构简单，类图就不画了，细心的已经发现了，这就是一个简单工厂模式，

程序代码：

Ilog接口

1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 6 namespace BenXH.Log.Log 7 { 8 public interface ILog 9 {10 bool IsDebugEnabled { get; }11 12 bool IsErrorEnabled { get; }13 14 bool IsFatalEnabled { get; }15 16 bool IsInfoEnabled { get; }17 18 bool IsWarnEnabled { get; }19 20 void Debug(bool isWriteFile,object message);21 22 void Debug(bool isWriteFile, object message, Exception exception);23 24 void DebugFormat(bool isWriteFile, string format, object arg0);25 26 void DebugFormat(bool isWriteFile, string format, params object[] args);27 28 void DebugFormat(bool isWriteFile, IFormatProvider provider, string format, params object[] args);29 30 void DebugFormat(bool isWriteFile, string format, object arg0, object arg1);31 32 void DebugFormat(bool isWriteFile, string format, object arg0, object arg1, object arg2);33 34 void Error(bool isWriteFile,object message);35 36 void Error(bool isWriteFile, object message, Exception exception);37 38 void ErrorFormat(bool isWriteFile, string format, object arg0);39 40 void ErrorFormat(bool isWriteFile, string format, params object[] args);41 42 void ErrorFormat(bool isWriteFile, IFormatProvider provider, string format, params object[] args);43 44 void ErrorFormat(bool isWriteFile, string format, object arg0, object arg1);45 46 void ErrorFormat(bool isWriteFile, string format, object arg0, object arg1, object arg2);47 48 void Fatal(bool isWriteFile, object message);49 50 void Fatal(bool isWriteFile, object message, Exception exception);51 52 void FatalFormat(bool isWriteFile, string format, object arg0);53 54 void FatalFormat(bool isWriteFile, string format, params object[] args);55 56 void FatalFormat(bool isWriteFile, IFormatProvider provider, string format, params object[] args);57 58 void FatalFormat(bool isWriteFile, string format, object arg0, object arg1);59 60 void FatalFormat(bool isWriteFile, string format, object arg0, object arg1, object arg2);61 62 void Info(bool isWriteFile, object message);63 64 void Info(bool isWriteFile, object message, Exception exception);65 66 void InfoFormat(bool isWriteFile, string format, object arg0);67 68 void InfoFormat(bool isWriteFile, string format, params object[] args);69 70 void InfoFormat(bool isWriteFile, IFormatProvider provider, string format, params object[] args);71 72 void InfoFormat(bool isWriteFile, string format, object arg0, object arg1);73 74 void InfoFormat(bool isWriteFile, string format, object arg0, object arg1, object arg2);75 76 void Warn(bool isWriteFile, object message);77 78 void Warn(bool isWriteFile, object message, Exception exception);79 80 void WarnFormat(bool isWriteFile, string format, object arg0);81 82 void WarnFormat(bool isWriteFile, string format, params object[] args);83 84 void WarnFormat(bool isWriteFile, IFormatProvider provider, string format, params object[] args);85 86 void WarnFormat(bool isWriteFile, string format, object arg0, object arg1);87 88 void WarnFormat(bool isWriteFile, string format, object arg0, object arg1, object arg2);89 }90 }

ILogFactory工厂接口

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace BenXH.Log.Log{ public interface ILogFactory { ILog GetLog(string name); }}

日志类Log 这个代码实现多一点，合并了，点开看吧

1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 6 namespace BenXH.Log.Log 7 { 8 ///

9 /// Console Log 10 /// 11 internal class Log : ILog 12 { 13 private string m_Name; 14 15 private const string m_MessageTemplate = '{0}-{1}: {2}'; 16 17 private const string m_Debug = 'DEBUG'; 18 19 private const string m_Error = 'ERROR'; 20 21 private const string m_Fatal = 'FATAL'; 22 23 private const string m_Info = 'INFO'; 24 25 private const string m_Warn = 'WARN'; 26 27 ///

28 /// Initializes a new instance of the class. 29 /// 30 /// The name. 31 public Log(string name) 32 { 33 m_Name = name; 34 } 35 36 ///

37 /// Gets a value indicating whether this instance is debug enabled. 38 /// 39 /// 40 /// true if this instance is debug enabled; otherwise, false. 41 /// 42 public bool IsDebugEnabled 43 { 44 get { return true; } 45 } 46 47 ///

48 /// Gets a value indicating whether this instance is error enabled. 49 /// 50 /// 51 /// true if this instance is error enabled; otherwise, false. 52 /// 53 public bool IsErrorEnabled 54 { 55 get { return true; } 56 } 57 58 ///

59 /// Gets a value indicating whether this instance is fatal enabled. 60 /// 61 /// 62 /// true if this instance is fatal enabled; otherwise, false. 63 /// 64 public bool IsFatalEnabled 65 { 66 get { return true; } 67 } 68 69 ///

70 /// Gets a value indicating whether this instance is info enabled. 71 /// 72 /// 73 /// true if this instance is info enabled; otherwise, false. 74 /// 75 public bool IsInfoEnabled 76 { 77 get { return true; } 78 } 79 80 ///

81 /// Gets a value indicating whether this instance is warn enabled. 82 /// 83 /// 84 /// true if this instance is warn enabled; otherwise, false. 85 /// 86 public bool IsWarnEnabled 87 { 88 get { return true; } 89 } 90 91 public string GetDataTimeLog(string log) 92 { 93 return String.Format('[{0}]>>{1}', DateTime.Now.ToString('yy-MM-dd HH:mm:ss'), log); 94 } 95 96 ///

97 /// Logs the debug message. 98 /// 99 /// 100 /// The message.101 public void Debug(bool isWriteFile, object message)102 {103 string log = GetDataTimeLog(message.ToString());104 Console.WriteLine(m_MessageTemplate, m_Name, m_Debug, log);105 if (isWriteFile)106 {107 LogUtil.WriteLogFile(m_Name, m_Debug, log);108 }109 }110 111 ///

112 /// Logs the debug message.113 /// 114 /// 115 /// The message.116 /// The exception.117 public void Debug(bool isWriteFile, object message, Exception exception)118 {119 string log =GetDataTimeLog(message + Environment.NewLine + exception.Message + exception.StackTrace);120 Console.WriteLine(m_MessageTemplate, m_Name, m_Debug, log);121 if (isWriteFile)122 {123 LogUtil.WriteLogFile(m_Name, m_Debug, log);124 }125 }126 127 ///

128 /// Logs the debug message.129 /// 130 /// 131 /// The format.132 /// The arg0.133 public void DebugFormat(bool isWriteFile, string format, object arg0)134 {135 string log = GetDataTimeLog(string.Format(format, arg0));136 Console.WriteLine(m_MessageTemplate, m_Name, m_Debug, log);137 if (isWriteFile)138 {139 LogUtil.WriteLogFile(m_Name, m_Debug, log);140 }141 }142 143 ///

144 /// Logs the debug message.145 /// 146 /// 147 /// The format.148 /// The args.149 public void DebugFormat(bool isWriteFile, string format, params object[] args)150 {151 string log = GetDataTimeLog(string.Format(format, args));152 Console.WriteLine(m_MessageTemplate, m_Name, m_Debug, string.Format(format, args));153 if (isWriteFile)154 {155 LogUtil.WriteLogFile(m_Name, m_Debug, log);156 }157 }158 159 ///

160 /// Logs the debug message.161 /// 162 /// 163 /// The provider.164 /// The format.165 /// The args.166 public void DebugFormat(bool isWriteFile, IFormatProvider provider, string format, params object[] args)167 {168 string log = GetDataTimeLog(string.Format(format, args));169 Console.WriteLine(m_MessageTemplate, m_Name, m_Debug, string.Format(provider, format, args));170 if (isWriteFile)171 {172 LogUtil.WriteLogFile(m_Name, m_Debug, log);173 }174 }175 176 ///

177 /// Logs the debug message.178 /// 179 /// 180 /// The format.181 /// The arg0.182 /// The arg1.183 public void DebugFormat(bool isWriteFile, string format, object arg0, object arg1)184 {185 string log = GetDataTimeLog(string.Format(format, arg0, arg1));186 Console.WriteLine(m_MessageTemplate, m_Name, m_Debug, log);187 if (isWriteFile)188 {189 LogUtil.WriteLogFile(m_Name, m_Debug, log);190 }191 }192 193 ///

194 /// Logs the debug message.195 /// 196 /// 197 /// The format.198 /// The arg0.199 /// The arg1.200 /// The arg2.201 public void DebugFormat(bool isWriteFile, string format, object arg0, object arg1, object arg2)202 {203 string log = GetDataTimeLog(string.Format(format, arg0, arg1, arg2));204 Console.WriteLine(m_MessageTemplate, m_Name, m_Debug, log);205 if (isWriteFile)206 {207 LogUtil.WriteLogFile(m_Name, m_Debug, log);208 }209 }210 211 ///

212 /// Logs the error message.213 /// 214 /// 215 /// The message.216 public void Error(bool isWriteFile, object message)217 {218 string log = GetDataTimeLog(message.ToString());219 Console.WriteLine(m_MessageTemplate, m_Name, m_Error, log);220 if (isWriteFile)221 {222 LogUtil.WriteLogFile(m_Name, m_Error, log);223 }224 }225 226 ///

227 /// Logs the error message.228 /// 229 /// 230 /// The message.231 /// The exception.232 public void Error(bool isWriteFile, object message, Exception exception)233 {234 string log = GetDataTimeLog(message + Environment.NewLine + exception.Message + exception.StackTrace);235 Console.WriteLine(m_MessageTemplate, m_Name, m_Error, log);236 if (isWriteFile)237 {238 LogUtil.WriteLogFile(m_Name, m_Error,log);239 }240 }241 242 ///

243 /// Logs the error message.244 /// 245 /// 246 /// The format.247 /// The arg0.248 public void ErrorFormat(bool isWriteFile, string format, object arg0)249 {250 string log = GetDataTimeLog(string.Format(format, arg0));251 Console.WriteLine(m_MessageTemplate, m_Name, m_Error, log);252 if (isWriteFile)253 {254 LogUtil.WriteLogFile(m_Name, m_Error, log);255 }256 }257 258 ///

259 /// Logs the error message.260 /// 261 /// 262 /// The format.263 /// The args.264 public void ErrorFormat(bool isWriteFile, string format, params object[] args)265 {266 string log = GetDataTimeLog(string.Format(format, args));267 Console.WriteLine(m_MessageTemplate, m_Name, m_Error,log);268 if (isWriteFile)269 {270 LogUtil.WriteLogFile(m_Name, m_Error, log);271 }272 }273 274 ///

275 /// Logs the error message.276 /// 277 /// 278 /// The provider.279 /// The format.280 /// The args.281 public void ErrorFormat(bool isWriteFile, IFormatProvider provider, string format, params object[] args)282 {283 string log = GetDataTimeLog(string.Format(provider, format, args));284 Console.WriteLine(m_MessageTemplate, m_Name, m_Error, log);285 if (isWriteFile)286 {287 LogUtil.WriteLogFile(m_Name, m_Error, log);288 }289 }290 291 ///

292 /// Logs the error message.293 /// 294 /// 295 /// The format.296 /// The arg0.297 /// The arg1.298 public void ErrorFormat(bool isWriteFile, string format, object arg0, object arg1)299 {300 string log = GetDataTimeLog(string.Format(format, arg0, arg1));301 Console.WriteLine(m_MessageTemplate, m_Name, m_Error,log);302 if (isWriteFile)303 {304 LogUtil.WriteLogFile(m_Name, m_Error, log);305 }306 }307 308 ///

309 /// Logs the error message.310 /// 311 /// 312 /// The format.313 /// The arg0.314 /// The arg1.315 /// The arg2.316 public void ErrorFormat(bool isWriteFile, string format, object arg0, object arg1, object arg2)317 {318 string log = GetDataTimeLog(string.Format(format, arg0, arg2));319 Console.WriteLine(m_MessageTemplate, m_Name, m_Error, log);320 if (isWriteFile)321 {322 LogUtil.WriteLogFile(m_Name, m_Error, log);323 }324 }325 326 ///

327 /// Logs the fatal error message.328 /// 329 /// 330 /// The message.331 public void Fatal(bool isWriteFile, object message)332 {333 string log = GetDataTimeLog(message.ToString());334 Console.WriteLine(m_MessageTemplate, m_Name, m_Fatal, log);335 if (isWriteFile)336 {337 LogUtil.WriteLogFile(m_Name,m_Fatal,log);338 }339 }340 341 ///

342 /// Logs the fatal error message.343 /// 344 /// 345 /// The message.346 /// The exception.347 public void Fatal(bool isWriteFile, object message, Exception exception)348 {349 string log = GetDataTimeLog(message + Environment.NewLine + exception.Message + exception.StackTrace);350 Console.WriteLine(m_MessageTemplate, m_Name, m_Fatal, log);351 if (isWriteFile)352 {353 LogUtil.WriteLogFile(m_Name, m_Fatal, log);354 }355 }356 357 ///

358 /// Logs the fatal error message.359 /// 360 /// 361 /// The format.362 /// The arg0.363 public void FatalFormat(bool isWriteFile, string format, object arg0)364 {365 string log = GetDataTimeLog(string.Format(format, arg0));366 Console.WriteLine(m_MessageTemplate, m_Name, m_Fatal, log);367 if (isWriteFile)368 {369 LogUtil.WriteLogFile(m_Name, m_Fatal, log);370 }371 }372 373 ///

374 /// Logs the fatal error message.375 /// 376 /// 377 /// The format.378 /// The args.379 public void FatalFormat(bool isWriteFile, string format, params object[] args)380 {381 string log = GetDataTimeLog(string.Format(format, args));382 Console.WriteLine(m_MessageTemplate, m_Name, m_Fatal,log);383 if (isWriteFile)384 {385 LogUtil.WriteLogFile(m_Name, m_Fatal, log);386 }387 }388 389 ///

390 /// Logs the fatal error message.391 /// 392 /// 393 /// The provider.394 /// The format.395 /// The args.396 public void FatalFormat(bool isWriteFile, IFormatProvider provider, string format, params object[] args)397 {398 string log = GetDataTimeLog(string.Format(provider, format, args));399 Console.WriteLine(m_MessageTemplate, m_Name, m_Fatal, log);400 if (isWriteFile)401 {402 LogUtil.WriteLogFile(m_Name, m_Fatal, log);403 }404 }405 406 ///

407 /// Logs the fatal error message.408 /// 409 /// 410 /// The format.411 /// The arg0.412 /// The arg1.413 public void FatalFormat(bool isWriteFile, string format, object arg0, object arg1)414 {415 string log = GetDataTimeLog(string.Format(format, arg0, arg1));416 Console.WriteLine(m_MessageTemplate, m_Name, m_Fatal, log);417 if (isWriteFile)418 {419 LogUtil.WriteLogFile(m_Name, m_Fatal, log);420 }421 }422 423 ///

424 /// Logs the fatal error message.425 /// 426 /// 427 /// The format.428 /// The arg0.429 /// The arg1.430 /// The arg2.431 public void FatalFormat(bool isWriteFile, string format, object arg0, object arg1, object arg2)432 {433 string log = GetDataTimeLog(string.Format(format, arg0, arg1, arg2));434 Console.WriteLine(m_MessageTemplate, m_Name, m_Fatal, log);435 if (isWriteFile)436 {437 LogUtil.WriteLogFile(m_Name, m_Fatal, log);438 }439 }440 441 ///

442 /// Logs the info message.443 /// 444 /// 445 /// The message.446 public void Info(bool isWriteFile,object message)447 {448 string log = GetDataTimeLog(message.ToString());449 Console.WriteLine(m_MessageTemplate, m_Name, m_Info, log);450 if (isWriteFile)451 {452 LogUtil.WriteLogFile(m_Name,m_Info,log);453 }454 }455 456 ///

457 /// Logs the info message.458 /// 459 /// 460 /// The message.461 /// The exception.462 public void Info(bool isWriteFile, object message, Exception exception)463 {464 string log = GetDataTimeLog(message + Environment.NewLine + exception.Message + exception.StackTrace);465 Console.WriteLine(m_MessageTemplate, m_Name, m_Info, log);466 if (isWriteFile)467 {468 LogUtil.WriteLogFile(m_Name, m_Info, log);469 }470 }471 472 ///

473 /// Logs the info message.474 /// 475 /// 476 /// The format.477 /// The arg0.478 public void InfoFormat(bool isWriteFile, string format, object arg0)479 {480 string log = GetDataTimeLog(string.Format(format, arg0));481 Console.WriteLine(m_MessageTemplate, m_Name, m_Info, log);482 if (isWriteFile)483 {484 LogUtil.WriteLogFile(m_Name, m_Info, log);485 }486 }487 488 ///

489 /// Logs the info message.490 /// 491 /// 492 /// The format.493 /// The args.494 public void InfoFormat(bool isWriteFile, string format, params object[] args)495 {496 string log = GetDataTimeLog(string.Format(format, args));497 Console.WriteLine(m_MessageTemplate, m_Name, m_Info, log);498 if (isWriteFile)499 {500 LogUtil.WriteLogFile(m_Name, m_Info, log);501 }502 }503 504 ///

505 /// Logs the info message.506 /// 507 /// 508 /// The provider.509 /// The format.510 /// The args.511 public void InfoFormat(bool isWriteFile, IFormatProvider provider, string format, params object[] args)512 {513 string log = GetDataTimeLog(string.Format(provider, format, args));514 Console.WriteLine(m_MessageTemplate, m_Name, m_Info, log);515 if (isWriteFile)516 {517 LogUtil.WriteLogFile(m_Name, m_Info, log);518 }519 }520 521 ///

522 /// Logs the info message.523 /// 524 /// 525 /// The format.526 /// The arg0.527 /// The arg1.528 public void InfoFormat(bool isWriteFile, string format, object arg0, object arg1)529 {530 string log = GetDataTimeLog(string.Format(format, arg0, arg1));531 Console.WriteLine(m_MessageTemplate, m_Name, m_Info, log);532 if (isWriteFile)533 {534 LogUtil.WriteLogFile(m_Name, m_Info, log);535 }536 }537 538 ///

539 /// Logs the info message.540 /// 541 /// 542 /// The format.543 /// The arg0.544 /// The arg1.545 /// The arg2.546 public void InfoFormat(bool isWriteFile, string format, object arg0, object arg1, object arg2)547 {548 string log = GetDataTimeLog(string.Format(format, arg0, arg1, arg2));549 Console.WriteLine(m_MessageTemplate, m_Name, m_Info,log);550 if (isWriteFile)551 {552 LogUtil.WriteLogFile(m_Name, m_Info, log);553 }554 }555 556 ///

557 /// Logs the warning message.558 /// 559 /// 560 /// The message.561 public void Warn(bool isWriteFile,object message)562 {563 string log = GetDataTimeLog(message.ToString());564 Console.WriteLine(m_MessageTemplate, m_Name, m_Warn, log);565 if (isWriteFile)566 {567 LogUtil.WriteLogFile(m_Name,m_Warn,log);568 }569 }570 571 ///

572 /// Logs the warning message.573 /// 574 /// 575 /// The message.576 /// The exception.577 public void Warn(bool isWriteFile, object message, Exception exception)578 {579 string log = GetDataTimeLog(message + Environment.NewLine + exception.Message + exception.StackTrace);580 Console.WriteLine(m_MessageTemplate, m_Name, m_Warn, log);581 if (isWriteFile)582 {583 LogUtil.WriteLogFile(m_Name, m_Warn, log);584 }585 }586 587 ///

588 /// Logs the warning message.589 /// 590 /// 591 /// The format.592 /// The arg0.593 public void WarnFormat(bool isWriteFile, string format, object arg0)594 {595 string log = GetDataTimeLog(string.Format(format, arg0));596 Console.WriteLine(m_MessageTemplate, m_Name, m_Warn, log);597 if (isWriteFile)598 {599 LogUtil.WriteLogFile(m_Name, m_Warn, log);600 }601 }602 603 ///

604 /// Logs the warning message.605 /// 606 /// 607 /// The format.608 /// The args.609 public void WarnFormat(bool isWriteFile, string format, params object[] args)610 {611 string log = GetDataTimeLog(string.Format(format, args));612 Console.WriteLine(m_MessageTemplate, m_Name, m_Warn, log);613 if (isWriteFile)614 {615 LogUtil.WriteLogFile(m_Name, m_Warn, log);616 }617 }618 619 ///

620 /// Logs the warning message.621 /// 622 /// 623 /// The provider.624 /// The format.625 /// The args.626 public void WarnFormat(bool isWriteFile, IFormatProvider provider, string format, params object[] args)627 {628 string log = GetDataTimeLog(string.Format(provider, format, args));629 Console.WriteLine(m_MessageTemplate, m_Name, m_Warn, log);630 if (isWriteFile)631 {632 LogUtil.WriteLogFile(m_Name, m_Warn, log);633 }634 }635 636 ///

637 /// Logs the warning message.638 /// 639 /// 640 /// The format.641 /// The arg0.642 /// The arg1.643 public void WarnFormat(bool isWriteFile, string format, object arg0, object arg1)644 {645 string log = GetDataTimeLog(string.Format(format, arg0, arg1));646 Console.WriteLine(m_MessageTemplate, m_Name, m_Warn, log);647 if (isWriteFile)648 {649 LogUtil.WriteLogFile(m_Name, m_Warn, log);650 }651 }652 653 ///

654 /// Logs the warning message.655 /// 656 /// 657 /// The format.658 /// The arg0.659 /// The arg1.660 /// The arg2.661 public void WarnFormat(bool isWriteFile, string format, object arg0, object arg1, object arg2)662 {663 string log = GetDataTimeLog(string.Format(format, arg0, arg1, arg2));664 Console.WriteLine(m_MessageTemplate, m_Name, m_Warn, log);665 if (isWriteFile)666 {667 LogUtil.WriteLogFile(m_Name, m_Warn, log);668 }669 }670 }671 }

View Code

LogFactory 日志工厂

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace BenXH.Log.Log{ public class LogFactory:ILogFactory { ///

/// 创建日志实例 /// /// /// public ILog GetLog(string name) { return new Log(name); } }}

 LogUtil日志格式化

1 using BenXH.Log.Common; 2 using System; 3 using System.Collections.Generic; 4 using System.Linq; 5 using System.Text; 6 7 namespace BenXH.Log.Log 8 { 9 internal class LogUtil10 {11 ///

12 /// 格式式化Log信息13 /// 14 /// 15 /// 16 /// 17 /// 18 /// 19 private static string GetLogString(string name, string logType, string log)20 {21 return String.Format('[{0}]{1}-{2}: {3}', DateTime.Now.ToString('HH:mm:ss'),name, logType, log);22 }23 24 ///

25 /// 获得日志要保存的路径26 /// 27 /// 28 /// 29 /// 30 private static string GetLogPath(string name, string logType)31 {32 string path = AppDomain.CurrentDomain.BaseDirectory+'Log';33 if (!System.IO.Directory.Exists(path))34 {35 System.IO.Directory.CreateDirectory(path);36 }37 38 return System.IO.Path.Combine(path,String.Format('{0}_{1}_{2}.log',DateTime.Now.ToString('yyyy-MM-dd'),name,logType));39 }40 41 public static void WriteLogFile(string name, string logType, string log)42 {43 string logPath = GetLogPath(name, logType);44 45 FileUtil.WriteAppend(logPath,log);46 }47 }48 }

最后就是一个日志信息的显示和文件的存储   FileUtil

1 using System; 2 using System.Collections.Generic; 3 using System.IO; 4 using System.Linq; 5 using System.Text; 6 7 namespace BenXH.Log.Common 8 { 9 public static class FileUtil10 {11 ///

12 /// 追加内容到指定文件中13 /// 14 /// 15 /// 16 public static void WriteAppend(string filePath, string content)17 {18 WriteAppend(filePath,new string[]{content});19 }20 21 public static void WriteAppend(string filePath, string[] contents)22 {23 //System.IO.StreamWriter sr = new System.IO.StreamWriter(filePath, true);24 //foreach (string c in contents)25 //{26 // sr.WriteLine(c);27 //}28 //sr.Flush();29 //sr.Close();30 31 using (FileStream fs = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.Write, FileShare.ReadWrite))32 {33 fs.Seek(fs.Length, SeekOrigin.Current);34 35 string content = String.Join(Environment.NewLine, contents) + Environment.NewLine;36 37 byte[] data = System.Text.Encoding.UTF8.GetBytes(content);38 39 fs.Write(data, 0, data.Length);40 41 fs.Close();42 }43 }44 }45 }

测试代码：

Test.cs

1 class Test 2 { 3 static void Main(string[] args) 4 { 5 //日志BenXH的Debug信息 6 new BenXH.Log.Log.LogFactory().GetLog('BenXH').Debug(true, 'Hello'); 7 new BenXH.Log.Log.LogFactory().GetLog('BenXH').Debug(true, 'World'); 8 9 //日志BenXH的info信息10 new BenXH.Log.Log.LogFactory().GetLog('BenXH').Info(true, 'Hello');11 new BenXH.Log.Log.LogFactory().GetLog('BenXH').Info(true, 'BenXH');12 Console.Read();13 }14 }

运行结果：

文件：程序运行根目录下Log文件夹

Log文件夹下新创建俩个文件DEBUG和INFO

文件：2017-07-29_BenXH_DEBUG.log

文件内容

[17-07-29 16:01:26]>>Hello
[17-07-29 16:01:26]>>World

文件：2017-07-29_BenXH_INFO.log

文件内容：

[17-07-29 16:01:26]>>Hello
[17-07-29 16:01:26]>>BenXH

工程源文件下载