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1.æ·»å å½å空é´
ããSystem.IO;
ããSystem.Text;
2.æ件ç读å
ãã(1).使ç¨FileStreamç±»è¿è¡æ件ç读åï¼å¹¶å°å®è½¬æ¢æcharæ°ç»ï¼ç¶åè¾åºã
byte[] byData = new byte[100];
char[] charData = new char[1000];
public void Read()
{
try
{
FileStream file = new FileStream("E:\\test.txt", FileMode.Open);
file.Seek(0, SeekOrigin.Begin);
file.Read(byData, 0, 100); //byDataä¼ è¿æ¥çåèæ°ç»,ç¨ä»¥æ¥åFileStream对象ä¸çæ°æ®,第2个åæ°æ¯åèæ°ç»ä¸å¼å§åå
¥æ°æ®çä½ç½®,å®é常æ¯0,表示ä»æ°ç»çå¼ç«¯æ件ä¸åæ°ç»åæ°æ®,æåä¸ä¸ªåæ°è§å®ä»æ件读å¤å°å符.
Decoder d = Encoding.Default.GetDecoder();
d.GetChars(byData, 0, byData.Length, charData, 0);
Console.WriteLine(charData);
file.Close();
}
catch (IOException e)
{
Console.WriteLine(e.ToString());
}
}
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