IO&Seralize
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IO
1 <appSettings> 2 <!--日志路径--> 3 <add key="LogPath" value="E:\\学习\\C#进阶\\fsociety\\fSociety0\\Logs\\Log\\"/> 4 <add key="LogMovePath" value="E:\\学习\\C#进阶\\fsociety\\fSociety0\\Logs\\LogMove\\"/> 5 <!--<add key="LogPath" value="D:\\ruanmou\\online7\\20161014Advanced7Course6ioserialize\\IOSerialize\\IOSerialize\\Log\\"/> 6 <add key="LogMovePath" value="D:\\ruanmou\\online7\\20161014Advanced7Course6IOSerialize\\IOSerialize\\IOSerialize\\LogMove\\"/> 7 <add key="ImagePath" value="D:\\ruanmou\\online7\\20161014Advanced7Course6IOSerialize\\IOSerialize\\IOSerialize\\Image\\"/>--> 8 <add key="VerifyPath" value="D:\\ruanmou\\online7\\20161014Advanced7Course6IOSerialize\\IOSerialize\\IOSerialize\\Image\\"/> 9 <add key="CurrentDataPath" value="D:\\ruanmou\\online7\\20161014Advanced7Course6IOSerialize\\IOSerialize\\IOSerialize\\File\\"/> 10 </appSettings>
1 /// <summary> 2 /// 配置绝对路径 3 /// </summary> 4 private static string LogPath = ConfigurationManager.AppSettings["LogPath"]; 5 private static string LogMovePath = ConfigurationManager.AppSettings["LogMovePath"]; 6 /// <summary> 7 /// 获取当前程序路径 8 /// </summary> 9 private static string LogPath2 = AppDomain.CurrentDomain.BaseDirectory;
Directory
1 {//Directory 2 bool isExists = Directory.Exists(LogPath); 3 if (!isExists) 4 { 5 DirectoryInfo directoryInfo = Directory.CreateDirectory(LogPath);//一次性创建全部的子路径 6 Directory.Move(LogPath, LogMovePath);//移动 原文件夹就不在了 7 Directory.Delete(LogMovePath);//删除 8 } 9 }
File
1 {//File 2 string fileName = Path.Combine(LogPath, "log.txt"); 3 string fileNameCopy = Path.Combine(LogPath, "logCopy.txt"); 4 string fileNameMove = Path.Combine(LogPath, "logMove.txt"); 5 bool isExists = File.Exists(fileName); 6 if (!isExists) 7 { 8 Directory.CreateDirectory(LogPath); 9 using (FileStream stream = File.Create(fileName))//创建文件并写入 10 { 11 string name = "12345567778890"; 12 13 byte[] bytes = Encoding.Default.GetBytes(name); 14 stream.Write(bytes, 0, bytes.Length); 15 stream.Flush(); 16 } 17 18 string msg = "今天是Course6IOSerialize，今天上课的人有26个人"; 19 using (StreamWriter sw = File.AppendText(fileName)) 20 { 21 sw.WriteLine(msg); 22 sw.Flush(); 23 } 24 25 foreach (string result in File.ReadAllLines(fileName)) 26 { 27 Console.WriteLine(result); 28 } 29 File.ReadAllText(fileName); 30 File.ReadAllBytes(fileName); 31 32 using (FileStream stream = File.OpenRead(fileName))//分批读取 33 { 34 int length = 5; 35 int result = 0; 36 37 do 38 { 39 byte[] bytes = new byte[length]; 40 result = stream.Read(bytes, 0, 5); 41 for (int i = 0; i < result; i++) 42 { 43 Console.WriteLine(bytes[i].ToString()); 44 } 45 } 46 while (length == result); 47 } 48 49 File.Copy(fileName, fileNameCopy); 50 File.Move(fileName, fileNameMove); 51 File.Delete(fileNameCopy); 52 File.Delete(fileNameMove); 53 54 } 55 }
Log
1 public static void Log(string msg) 2 { 3 StreamWriter sw = null; 4 try 5 { 6 string fileName = "log.txt"; 7 string totalPath = Path.Combine(LogPath, fileName); 8 //int i = 0; 9 10 //int result = 5 / i; 11 12 if (Directory.Exists(LogPath)) 13 { 14 if (File.Exists(totalPath)) 15 sw = File.AppendText(totalPath); 16 else 17 sw = File.CreateText(totalPath); 18 } 19 else 20 { 21 Directory.CreateDirectory(LogPath); 22 sw = File.CreateText(totalPath); 23 } 24 sw.WriteLine(string.Format("{0}:{1}", DateTime.Now, msg)); 25 sw.WriteLine("***************************************************"); 26 } 27 catch (Exception ex) 28 { 29 Console.WriteLine(ex.Message);//log 30 //throw ex; 31 //throw new exception("这里异常"); 32 } 33 finally 34 { 35 if (sw != null) 36 { 37 sw.Flush(); 38 sw.Close(); 39 sw.Dispose(); 40 } 41 } 42 }
1 public class Recursion 2 { 3 public static List<DirectoryInfo> FindAll(string rootPath) 4 { 5 List<DirectoryInfo> dirList = new List<DirectoryInfo>(); 6 DirectoryInfo rootDirectory = new DirectoryInfo(rootPath);//1 7 dirList.Add(rootDirectory); 8 FindChild(rootDirectory, dirList); 9 10 return dirList; 11 } 12 13 /// <summary> 14 /// 找出文件夹的子文件夹，放入集合， 15 /// 遍历子文件，再。。。。 16 /// </summary> 17 /// <param name="parentDirectory">文件夹</param> 18 /// <param name="dirList">集合</param> 19 private static void FindChild(DirectoryInfo parentDirectory, List<DirectoryInfo> dirList) 20 { 21 DirectoryInfo[] dirChildList = parentDirectory.GetDirectories(); 22 dirList.AddRange(dirChildList); 23 if (dirChildList != null && dirChildList.Length > 0)//1 递归一定要有跳出条件 24 { 25 foreach (var child in dirChildList)//2 递归很耗资源 26 { 27 FindChild(child, dirList); 28 } 29 } 30 } 31 }
1 private static List<Programmer> GetProgrammerList() 2 { 3 List<Programmer> list = new List<Programmer>(); 4 list.Add(new Programmer() 5 { 6 Name = "快乐阳光", 7 Sex = "男" 8 }); 9 list.Add(new Programmer() 10 { 11 Name = "荼蘼", 12 Sex = "女" 13 }); 14 list.Add(new Programmer() 15 { 16 Name = "笑对人生", 17 Sex = "男" 18 }); 19 list.Add(new Programmer() 20 { 21 Name = "yizi", 22 Sex = "男" 23 }); 24 list.Add(new Programmer() 25 { 26 Name = "萌萌的", 27 Sex = "男" 28 }); 29 list.Add(new Programmer() 30 { 31 Name = "红领巾", 32 Sex = "男" 33 }); 34 list.Add(new Programmer() 35 { 36 Name = "net", 37 Sex = "男" 38 }); 39 return list; 40 }
Serialize
1 /// <summary> 2 /// javascriptSerializer 3 /// </summary> 4 /// <typeparam name="T"></typeparam> 5 /// <param name="obj"></param> 6 /// <returns></returns> 7 public static string ObjectToString<T>(T obj) 8 { 9 JavaScriptSerializer jss = new JavaScriptSerializer(); 10 return jss.Serialize(obj); 11 } 12 13 /// <summary> 14 /// JavaScriptSerializer 15 /// </summary> 16 /// <typeparam name="T"></typeparam> 17 /// <param name="content"></param> 18 /// <returns></returns> 19 public static T StringToObject<T>(string content) 20 { 21 JavaScriptSerializer jss = new JavaScriptSerializer(); 22 return jss.Deserialize<T>(content); 23 } 24 25 /// <summary> 26 /// JsonConvert.SerializeObject 27 /// </summary> 28 /// <typeparam name="T"></typeparam> 29 /// <param name="obj"></param> 30 /// <returns></returns> 31 public static string ToJson<T>(T obj) 32 { 33 return JsonConvert.SerializeObject(obj); 34 } 35 36 /// <summary> 37 /// JsonConvert.DeserializeObject 38 /// </summary> 39 /// <typeparam name="T"></typeparam> 40 /// <param name="content"></param> 41 /// <returns></returns> 42 public static T ToObject<T>(string content) 43 { 44 return JsonConvert.DeserializeObject<T>(content); 45 }
1 public static string ToXml<T>(T t) where T : new() 2 { 3 string fileName = @"E:\\online_3\\20150806第三期高级班Course10SerializeJson\\Course10SerializeJson\\Course10SerializeJson\\file\\Person.xml";//文件名称与路径 4 using (Stream fStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite)) 5 { 6 XmlSerializer xmlFormat = new XmlSerializer(typeof(T)); 7 xmlFormat.Serialize(fStream, t); 8 } 9 string[] lines = File.ReadAllLines(fileName); 10 return string.Join("", lines); 11 } 12 13 public static T ToObject<T>() where T : new() 14 { 15 string fileName = @"E:\\online_3\\20150806第三期高级班Course10SerializeJson\\Course10SerializeJson\\Course10SerializeJson\\file\\Person.xml";//文件名称与路径 16 using (Stream fStream = new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite)) 17 { 18 XmlSerializer xmlFormat = new XmlSerializer(typeof(T)); 19 return (T)xmlFormat.Deserialize(fStream); 20 } 21 }
1 private static string CurrentDataPath = ConfigurationManager.AppSettings["CurrentDataPath"]; 2 public static void BinarySerialize() 3 { 4 //使用二进制序列化对象 5 string fileName = Path.Combine(CurrentDataPath, @"BinarySerialize.txt");//文件名称与路径 6 using (Stream fStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite)) 7 { 8 List<Programmer> pList = GetProgrammerList(); 9 BinaryFormatter binFormat = new BinaryFormatter();//创建二进制序列化器 10 binFormat.Serialize(fStream, pList); 11 } 12 using (Stream fStream = new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite)) 13 { 14 List<Programmer> pList = new List<Programmer>(); 15 BinaryFormatter binFormat = new BinaryFormatter();//创建二进制序列化器 16 //使用二进制反序列化对象 17 pList.Clear();//清空列表 18 fStream.Position = 0;//重置流位置 19 pList = (List<Programmer>)binFormat.Deserialize(fStream);//反序列化对象 20 } 21 }
1 public static void SoapSerialize() 2 { 3 //使用Soap序列化对象 4 string fileName = Path.Combine(CurrentDataPath, @"SoapSerialize.txt");//文件名称与路径 5 using (Stream fStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite)) 6 { 7 List<Programmer> pList = GetProgrammerList(); 8 SoapFormatter soapFormat = new SoapFormatter();//创建二进制序列化器 9 //soapFormat.Serialize(fStream, list);//SOAP不能序列化泛型对象 10 soapFormat.Serialize(fStream, pList.ToArray()); 11 } 12 using (Stream fStream = new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite)) 13 { 14 SoapFormatter soapFormat = new SoapFormatter();//创建二进制序列化器 15 //使用二进制反序列化对象 16 fStream.Position = 0;//重置流位置 17 List<Programmer> pList = ((Programmer[])soapFormat.Deserialize(fStream)).ToList();//反序列化对象 18 } 19 }
1 public static void XmlSerialize() 2 { 3 //使用XML序列化对象 4 string fileName = Path.Combine(CurrentDataPath, @"Student.xml");//文件名称与路径 5 using (Stream fStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite)) 6 { 7 List<Programmer> pList = GetProgrammerList(); 8 XmlSerializer xmlFormat = new XmlSerializer(typeof(List<Programmer>));//创建XML序列化器，需要指定对象的类型 9 xmlFormat.Serialize(fStream, pList); 10 } 11 using (Stream fStream = new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite)) 12 { 13 List<Programmer> pList = new List<Programmer>(); 14 XmlSerializer xmlFormat = new XmlSerializer(typeof(List<Programmer>));//创建XML序列化器，需要指定对象的类型 15 //使用XML反序列化对象 java内存流：java.io.ByteArrayInputStreamjava.io.ByteArrayOutputStreamjava.io.CharArrayReaderjava.io(代码片段java缓冲字符字节输入输出流：java.io.BufferedReaderjava.io.BufferedWriterjava.io.BufferedInputStreamjava.io.(代码片段
csharp C＃代码片段 - 使类成为Singleton模式。 （C＃4.0+）https://heiswayi.github.io/2016/simple-singleton-pattern-us