?? filecopy.java
字號:
import java.io.*;
import java.awt.*;
import javax.swing.*;
public class FileCopy{
public static void main(String[] args) {
JFrame jf=new JFrame("文件的復制");
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jf.setResizable(false);
jf.setLocation(300,300);
for(int i=0;i<=100;i=i+ss()){
jf.add(new Scrollbar(Scrollbar.HORIZONTAL, 0, i, 0, 100));
}
jf.setSize(400,45);
jf.show();
}
static int ss(){
int b=0;
int j=0;
try{File f1=new File("E:\\包成星\\ZY3\\file1.txt");
FileReader fr=new FileReader(f1);
BufferedReader br=new BufferedReader(fr);
File f2=new File("E:\\包成星\\ZY3\\file2.txt");
FileWriter fw=new FileWriter(f2);
BufferedWriter bw=new BufferedWriter(fw);
int len=(int)f1.length();
char[] s=new char[len];
br.read(s);
for( j=0;j<s.length;j++){
System.out.print((char)s[j]);
}
bw.write(s);
b=(int)((j/s.length)*100);
br.close();
bw.close();
}catch(Exception e){}
return b;
}
}
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