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java使用BufferedOutputStream写文件
文章作者:计算机教程 上传时间:2019-05-15
下面代码演示如何使用BufferedOutputStream类写文件。
下面代码演示如何使用BufferedOutputStream类写文件。
使用BufferedOutputStream类写文件,需要先将字符串转换为字节数组,然后再写入。
使用BufferedOutputStream类写文件,需要先将字符串转换为字节数组,然后再写入。
import java.io.BufferedOutputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
/**
*
* @author outofmemory.cn
*/
public class Main {
/**
* Prints some data to a file
*/
public void writeToFile(String filename) {
BufferedOutputStream bufferedOutput = null;
try {
//Construct the BufferedOutputStream object
bufferedOutput = new BufferedOutputStream(new FileOutputStream(filename));
//Start writing to the output stream
bufferedOutput.write("Line one".getBytes());
bufferedOutput.write("n".getBytes()); //new line, you might want to use rn if you're on Windows
bufferedOutput.write("Line two".getBytes());
bufferedOutput.write("n".getBytes());
//prints the character that has the decimal value of 65
bufferedOutput.write(65);
} catch (FileNotFoundException ex) {
ex.printStackTrace();
} catch (IOException ex) {
ex.printStackTrace();
} finally {
//Close the BufferedOutputStream
try {
if (bufferedOutput != null) {
bufferedOutput.flush();
bufferedOutput.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
new Main().writeToFile("myFile.txt");
}
}
import java.io.BufferedOutputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
/**
*
* @author outofmemory.cn
*/
public class Main {
/**
* Prints some data to a file
*/
public void writeToFile(String filename) {
BufferedOutputStream bufferedOutput = null;
try {
//Construct the BufferedOutputStream object
bufferedOutput = new BufferedOutputStream(new FileOutputStream(filename));
//Start writing to the output stream
bufferedOutput.write("Line one".getBytes());
bufferedOutput.write("n".getBytes()); //new line, you might want to use rn if you're on Windows
bufferedOutput.write("Line two".getBytes());
bufferedOutput.write("n".getBytes());
//prints the character that has the decimal value of 65
bufferedOutput.write(65);
} catch (FileNotFoundException ex) {
ex.printStackTrace();
} catch (IOException ex) {
ex.printStackTrace();
} finally {
//Close the BufferedOutputStream
try {
if (bufferedOutput != null) {
bufferedOutput.flush();
bufferedOutput.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
new Main().writeToFile("myFile.txt");
}
}
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