import java.io.*;
public class TestCopy3{
//获取源文件名,从键盘接收输入,遇到回车时,取出输入的信息
/* private String getSrc() throws IOException{
System.out.println("请输入要复制的文件名: ");
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
String src = br.readLine();
br.close();
return src;
}
//获取目标文件名,从键盘接收输入,遇到回车时,取出输入的信息
private String getDest() throws IOException{
System.out.println("请输入目标文件名: ");
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
String src = br.readLine();
br.close();
return src;
}
*/
private String getName(boolean flag) throws IOException{
if(flag){
System.out.println("请输入要复制的文件名: ");
}else{
System.out.println("请输入目标文件名: ");
}
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
String src = br.readLine();
return src;
}
public static void main(String[]args){
TestCopy3 tc = new TestCopy3();
//3.从源文件开始读,写道目标文件中去while()
try{
//1.指定要复制的文件
File f1 = new File(tc.getName(true));
//2.指定目标文件的文件名 abc.ppt
File f2 = new File(tc.getName(false));
FileInputStream fis = new FileInputStream(f1);
FileOutputStream fos = new FileOutputStream(f2);
BufferedInputStream bis = new BufferedInputStream(fis);
BufferedOutputStream bos = new BufferedOutputStream(fos);
int temp = bis.read();
while(temp != -1){
bos.write(temp);
temp = bis.read();
}
bis.close();
bos.close();//刷新缓冲区,关闭流,释放资源
// bos.flush();
System.out.println("copy 成功");
}catch(IOException e){
e.printStackTrace();
}
//4.关闭流,最后使用的流,一般最先关闭
}
}
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