共享状态的文件读写代码,CSharp代码库,德仔网

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【CSharp】共享状态的文件读写

作者:lucienbao / 发布于2015/10/13/ 952

开发中有时会遇到要对文件进行共享状态的读写操作


	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();
	 }
	 }

	 }
	}

试试其它关键字

　共享状态　　文件读写　

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