cycu98的部落格

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

public class myIO

{

public static void main(String[] args) throws Exception

{

ReadFile("C:\\abc.txt"); // abc是你在C槽中的一個txt檔

}

public static void ReadFile(String path)

{

try

{

String str = new String();

BufferedReader read = new BufferedReader(new InputStreamReader(new FileInputStream(path), "utf8")); // 設定為utf8格式

while (read.ready())

{

String brStr = read.readLine();

str = str + brStr;

}// End While

System.out.println("這個檔案的字串:" + str);

WriteFile(str, "C:\\123.txt", false); //寫到你C槽中的123.txt檔

} catch (Exception e)

{

e.printStackTrace();

System.out.println(path + "讀檔錯誤!!");

}

} 

public static void WriteFile(String str, String path, boolean append)

{ // 寫檔

try

{

File file = new File(path);// 建立檔案，準備寫檔

BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file, append), "utf8"));// 設定為BIG5格式

// 參數append代表要不要繼續許入該檔案中

writer.write(str); // 寫入該字串

writer.newLine(); // 寫入換行

writer.close(); 

} catch (IOException e)

{

e.printStackTrace();

System.out.println(path + "寫檔錯誤!!");return false;

}

}

}

讀檔時要確定你的檔案路徑是否存在喔!!~

by ting