记事本记录操作日志笔记

  1 /// <summary>
  2 /// 日志操作
  3 /// </summary>
  4 public class Record
  5 {
  6     private static Record myRecord = new Record();//实例化自身
  7 
  8     private FileInfo fFile;
  9     private FileStream myStream;
 10 
 11     /// <summary>
 12     /// 构造函数
 13     /// </summary>
 14     private Record()
 15     {
 16     }
 17 
 18     #region 记录日志内容
 19     /// <summary>
 20     /// 写日志(日志文件)
 21     /// </summary>
 22     /// <param name="sProcess">操作名</param>
 23     /// <param name="sErrMsg">异常信息</param>
 24     private void execWriteRecord(string sProcess, string sErrMsg)
 25     {
 26         try
 27         {
 28             // 日志内容
 29             string sDateTime = DateTime.Now.ToString();
 30             string sText = "";
 31             sText += "[" + sDateTime + "]    ";
 32             sText += sProcess + "：";
 33             sText += sErrMsg + "\r\n";
 34 
 35             execWrite(sText);
 36         }
 37         catch { }
 38     }
 39     #endregion
 40 
 41     #region 记录日志内容
 42     /// <summary>
 43     /// 写日志(日志文件)
 44     /// </summary>
 45     /// <param name="sErrMsg">信息</param>
 46     private void execWriteRecord(string sMsg)
 47     {
 48         try
 49         {
 50             execWrite(execStringRecord(sMsg));
 51         }
 52         catch { }
 53     }
 54     #endregion
 55 
 56     #region 组合日志内容
 57     /// <summary>
 58     /// 组合日志内容
 59     /// </summary>
 60     /// <param name="sMsg">信息</param>
 61     /// <returns></returns>
 62     private string execStringRecord(string sMsg)
 63     {
 64         string sText = "";
 65         try
 66         {
 67             // 日志内容
 68             string sDateTime = DateTime.Now.ToString();
 69             sText += "[" + sDateTime + "]    ";
 70             sText += sMsg + "\r\n";
 71         }
 72         catch
 73         { return sMsg; }
 74         return sText;
 75     }
 76     #endregion
 77 
 78     #region 记录日志内容
 79     /// <summary>
 80     /// 写日志(日志文件)
 81     /// </summary>
 82     /// <param name="sErrMsg">信息</param>
 83     private void execWrite(string sMsg)
 84     {
 85         try
 86         {
 87             // 取得日志文件
 88             getRecordFile();
 89 
 90             //获得字节数组
 91             byte[] data = Encoding.Default.GetBytes(sMsg);
 92 
 93             //开始写入
 94             myStream.Write(data, 0, data.Length);
 95 
 96             //清空缓冲区、关闭流
 97             myStream.Flush();
 98         }
 99         finally
100         {
101             if (myStream != null)
102             {
103                 myStream.Close();
104             }
105         }
106     }
107     #endregion
108 
109     #region 取得日志文件名
110 
111     /// <summary>
112     /// 取得日志文件名
113     /// </summary>
114     /// <returns>日志文件名</returns>
115     private void getRecordFile()
116     {
117         // 单个日志文件大小（10M）
118         int iSize = 1024 * 100;//1024 * 1024 * 10;
119         if (myStream != null && myStream.CanWrite)
120         {
121             fFile = new FileInfo(myStream.Name);
122             if (fFile.Length < iSize)
123             {
124                 return;
125             }
126         }
127 
128         // 日志文件夹
129         string sFolder = Application.StartupPath + "\\Log\\";
130 
131         // 文件夹不存在时，创建文件夹
132         DirectoryInfo dirFolder = new DirectoryInfo(sFolder);
133         if (!dirFolder.Exists)
134         {
135             dirFolder.Create();
136         }
137 
138         // 日志文件
139         int i;
140         string sDate = DateTime.Now.ToString("yyyyMMdd");
141         string sFileName = "";
142         for (i = 1; ; i++)
143         {
144             sFileName = sDate + "-" + i.ToString() + "-cLog.txt"; //记事本格式
145             fFile = new FileInfo(sFolder + sFileName);
146             if (!fFile.Exists)
147             {
148                 // 日志文件不存在
149                 myStream = fFile.Open(FileMode.Append, FileAccess.Write, FileShare.ReadWrite);
150                 break;
151 
152             }
153             else if (fFile.Length < iSize)
154             {
155                 // 日志文件小于100K
156                 try
157                 {
158                     myStream = fFile.Open(FileMode.Append, FileAccess.Write, FileShare.ReadWrite);
159                 }
160                 catch
161                 { }
162 
163                 break;
164             }
165             else
166             {
167                 if (myStream != null)
168                 {
169                     myStream.Close();
170                 }
171             }
172         }
173     }
174     #endregion
175 
176     #region 写日志（二个参数）Public Static 方法
177     /// <summary>
178     /// 写日志(日志文件)
179     /// </summary>
180     /// <param name="sProcess">操作名</param>
181     /// <param name="sErrMsg">异常信息</param>
182     public static void execFileRecord(string sProcess, string sErrMsg)
183     {
184         myRecord.execWriteRecord(sProcess, sErrMsg);
185     }
186     #endregion
187 
188     #region 写日志（一个参数）  Public Static 方法
189     /// <summary>
190     /// 写日志(日志文件)
191     /// </summary>
192     /// <param name="sErrMsg">信息</param>
193     public static void execFileRecord(string sMsg)
194     {
195         myRecord.execWriteRecord(sMsg);
196     }
197     #endregion
198 
199 }
200