в 15:31, 26 мая 2010

2010-05-26T15:31:35Z

Admin: 1 версия

2010-05-26T12:12:30Z

1 версия

Новая страница

==new StreamReader(FileStream fs)==

<source lang="csharp">

using System;
using System.IO;
class MainClass {
public static void Main(string[] args) {
try {
FileStream fs = new FileStream("c:\\a.txt", FileMode.Open);
StreamReader sr = new StreamReader(fs);
string line = "";
int lineNo = 0;
do {
line = sr.ReadLine();
if (line != null) {
Console.WriteLine("{0}: {1}", lineNo, line);
lineNo++;
}
} while (line != null);
} catch (Exception e) {
Console.WriteLine("Exception in ShowFile: {0}", e);
}
}
}

</source>

==new StreamWriter(fs, Encoding.UTF8)==

<source lang="csharp">
using System;
using System.IO;
using System.Text;
class MainClass {
static void Main() {
using (FileStream fs = new FileStream("test.txt", FileMode.Create)) {
using (StreamWriter w = new StreamWriter(fs, Encoding.UTF8)) {
w.WriteLine(124.23M);
w.WriteLine("Test string");
w.WriteLine("!");
}
}
using (FileStream fs = new FileStream("test.txt", FileMode.Open)) {
using (StreamReader r = new StreamReader(fs, Encoding.UTF8)) {
Console.WriteLine(Decimal.Parse(r.ReadLine()));
Console.WriteLine(r.ReadLine());
Console.WriteLine(Char.Parse(r.ReadLine()));
}
}
}
}

</source>

==new StreamWriter(String filePath)==

<source lang="csharp">
using System;
using System.IO;

public class MyStreamWriterReader {
static void Main(string[] args) {
StreamWriter writer = new StreamWriter("reminders.txt");
writer.WriteLine("...");
writer.WriteLine("Don"t forget these numbers:");
for (int i = 0; i < 10; i++)
writer.Write(i + " ");
writer.Write(writer.NewLine);
writer.Close();
StreamReader sr = new StreamReader("reminders.txt");
string input = null;
while ((input = sr.ReadLine()) != null) {
Console.WriteLine(input);
}
}
}

</source>

==StreamReader.Peek()==

<source lang="csharp">
using System;
using System.IO;
public class StrmRdr
{
static public void Main (string [] args)
{
FileStream strm;
StreamReader reader;
strm = new FileStream ("test.txt", FileMode.Open, FileAccess.Read);
reader = new StreamReader (strm);
while (reader.Peek() >= 0)
{
string text = reader.ReadLine ();
Console.WriteLine (text);
}
reader.Close ();
strm.Close ();
}
}

</source>

==StreamReader.ReadLine()==

<source lang="csharp">
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
class Program {
static void Main(string[] args) {
string strLine;
try {
FileStream aFile = new FileStream("Log.txt", FileMode.Open);
StreamReader sr = new StreamReader(aFile);
strLine = sr.ReadLine();
while (strLine != null) {
Console.WriteLine(strLine);
strLine = sr.ReadLine();
}
sr.Close();
} catch (IOException e) {
Console.WriteLine("An IO exception has been thrown!");
Console.WriteLine(e.ToString());
return;
}
}
}

</source>

==StreamReader.ReadToEnd()==

<source lang="csharp">
using System;
using System.IO;
public class StreamReaderAndWriter {
static void Main(string[] args)
{
StreamReader MyStreamReader = new StreamReader(@"c:\Testing.txt");
FileStream MyFileStream = new FileStream(@"c:\Testing.txt", FileMode.Open, FileAccess.Read, FileShare.None);
StreamReader MyStreamReader2 = new StreamReader(MyFileStream);
MyFileStream.Close();
MyStreamReader2.Close();
string MyStringReader = MyStreamReader.ReadLine();
string MyStringReadToEOF = MyStreamReader.ReadToEnd();
int[] MyArrayOfCharacters = new int[100];
for (int i = 0; i < 99; i++)
{
MyArrayOfCharacters[i] = MyStreamReader.Read();
}
MyStreamReader.Close();
}
}

</source>

← Предыдущая	Версия 15:31, 26 мая 2010
(нет различий)

Csharp/C Sharp by API/System.IO/StreamReader - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия