文件读取、写入

Love The Way You Lie 2021-12-11 11:53 481阅读 0赞

文件的读操作

static void Main(string\[\] args)  
\{  
string path = "";  
Console.WriteLine("请输入要读取的文件的文件名，包括路径");  
path = Console.ReadLine();  
if (!File.Exists(path))  
\{  
Console.WriteLine("文件不存在");  
return;  
\}

try  
\{  
FileStream file = new FileStream(path, FileMode.Open);  
byte\[\] bt = new byte\[file.Length\];  
file.Read(bt, 0, bt.Length);  
string str = Encoding.Default.GetString(bt);  
Console.WriteLine(str);  
Console.ReadLine();  
\}  
catch (System.Exception e)  
\{  
Console.WriteLine("读取文件出错");  
\}

文件的写操作：

static void Main(string\[\] args)  
\{  
//FileStream fs1 = File.Create("test1");  
//fs1.Close();  
//Console.ReadLine();

string path = "";  
string content = "";  
Console.WriteLine("请输入要保存的文件的文件名，包括路径");  
path = Console.ReadLine();  
Console.WriteLine("请输入要保存的内容 ");  
content = Console.ReadLine();  
try  
\{  
FileStream file = new FileStream(path, FileMode.Create);  
byte\[\] bt = Encoding.UTF8.GetBytes(content);  
file.Write(bt, 0, bt.Length);  
file.Flush();  
\}  
catch (System.Exception e)  
\{  
Console.WriteLine("创建或写入文件时出错");  
  
\}

// 读取文件流

static void Main(string\[\] args)  
\{  
Console.WriteLine("请输入要读取文件的文件名，包括路径");  
string path = Console.ReadLine();  
if (!File.Exists(path))  
\{  
Console.WriteLine("文件不存在");  
return;  
\}

FileStream readStream = new FileStream(path, FileMode.Open);  
BufferedStream readBuffered = new BufferedStream(readStream);  
byte\[\] bt = new byte\[readBuffered.Length\];  
readBuffered.Read(bt, 0, (int)readBuffered.Length);  
Console.WriteLine(Encoding.Default.GetString(bt));  
readBuffered.Close();  
Console.ReadLine();  
\}

转载于:https://www.cnblogs.com/tianjinquan/archive/2010/10/22/1858425.html