文件非占用读取

文件非占用读取

非占用方式：

FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
StreamReader sr = new StreamReader(fs, System.Text.Encoding.Default);
//按行读取
 string strLine = sr.ReadLine();
//关闭读写流和文件流
sr.Close();
fs.Close();

占用方式：

FileStream fs = new FileStream(fileName, System.IO.FileMode.Open, System.IO.FileAccess.Read);
StreamReader sr = new StreamReader(fs, System.Text.Encoding.Default);
StreamReader sr = new StreamReader(fs, System.Text.Encoding.Default);
//按行读取
 string strLine = sr.ReadLine();
//关闭读写流和文件流
sr.Close();
fs.Close();