// Obtain FileStream object via File.Create().
using(FileStream fs = File.Create(@"C:\Test.dat"))
{
}
// Obtain FileStream object via File.Open().
using(FileStream fs2 = File.Open(@"C:\Test2.dat",
FileMode.OpenOrCreate,
FileAccess.ReadWrite, FileShare.None))
{
}
// Get a FileStream object with read-only permissions.
using(FileStream readOnlyStream = File.OpenRead(@"Test3.dat"))
{
}
// Get a FileStream object with write-only permissions.
using(FileStream writeOnlyStream = File.OpenWrite(@"Test4.dat"))
{
}
// Get a StreamReader object.
using(StreamReader sreader = File.OpenText(@"C:\boot.ini"))
{
}
// Get some StreamWriters.
using(StreamWriter swriter = File.CreateText(@"C:\Test3.txt"))
{
}
using(StreamWriter swriterAppend = File.AppendText(@"C:\FinalTest.txt"))
{
}
|
ReadAllBytes() |
Opens the specified file, returns the binary data as an array of bytes, and then closes the file |
|
ReadAllLines() |
Opens a specified file, returns the character data as an array of strings, and then closes the file |
|
ReadAllText() |
Opens a specified file, returns the character data as a System.String, and then closes the file |
|
WriteAllBytes() |
Opens the specified file, writes out the byte array, and then closes the file |
|
WriteAllLines() |
Opens a specified file, writes out an array of strings, and then closes the file |
|
WriteAllText() |
Opens a specified file, writes the character data, and then closes the file |
위의 함수들로 데이터들을 배치로 단 몇줄 만으로 바로 Read/Write를 할수있다.
여기 예제를 보자.
using System;
using System.IO;
class Program
{
static void Main(string[] args)
{
Console.WriteLine("***** Simple IO with the File Type *****\n");
string[] myTasks = {"Fix bathroom sink", "Call Dave", "Call Mom and Dad", "Play Xbox 360"};
// Write out all data to file on C drive.
File.WriteAllLines(@"C:\tasks.txt", myTasks);
// Read it all back and print out.
foreach (string task in File.ReadAllLines(@"C:\tasks.txt"))
{
Console.WriteLine("TODO: {0}", task);
}
Console.ReadLine();
}
}
