C#中读取共享状态的文件读写操作程序

作者：袖梨 2022-06-25
 代码如下 复制代码

using System.IO;
using System.Text;
namespace LucienBao.Commons
{
public static class FileHelper
{
public static string ShareRead(string file, Encoding encoding)
{
string content = string.Empty;
FileStream fs = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
try
{
if (fs.CanRead)
{
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
content = encoding.GetString(buffer);
}
}
finally
{
fs.Close();
fs.Dispose();
}
return content;
}
public static void ShareAppend(string content, string file, Encoding encoding)
{
ShareWrite(content, file, encoding, FileMode.Append);
}
public static void ShareWrite(string content, string file, Encoding encoding, FileMode fileMode)
{
FileStream fs = new FileStream(file, fileMode, FileAccess.Write, FileShare.Read);
try
{
if (fs.CanWrite)
{
byte[] buffer = encoding.GetBytes(content);
if (buffer.Length > 0)
{
fs.Write(buffer, 0, buffer.Length);
fs.Flush();
}
}
}
finally
{
fs.Close();
fs.Dispose();
}
}
}
}

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