直接上代码:
package com.yyj.IO;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
public class IOTest {
public static void main(String[] args) {
String filePath = "E:\\IO.txt";
File file = new File(filePath);
if(file.exists()){
System.out.println("文件存在!");
}
FileInputStream is = null;
FileOutputStream os = null;
int temp =0;
byte[] bytes = new byte[1024];
try {
is = new FileInputStream(filePath);
os = new FileOutputStream("E:\\IOs.txt");
while((temp = is.read(bytes))!=-1){
os.write(bytes, 0, temp);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}