import java.io.*;
import java.io.RandomAccessFile;public class Untitled3 {
public static void main(String[] ss){
File fileRead=new File("C:/data.exe");
File fileCopy=new File("C:/data复件.exe");
byte[] bs=null;
try{
fileCopy.createNewFile();
RandomAccessFile readFile=new RandomAccessFile(fileRead,"rw");
RandomAccessFile writeFile=new RandomAccessFile(fileCopy,"rw");
int count=1;
while(count>0){
bs = new byte[1024];
readFile.read(bs, 0, 1024);
writeFile.write(bs,0,count);
}
}catch(IOException e){
e.printStackTrace();
}
}
}看看,行不?
import java.io.RandomAccessFile;public class Untitled3 {
public static void main(String[] ss){
File fileRead=new File("C:/data.exe");
File fileCopy=new File("C:/data复件.exe");
byte[] bs=null;
try{
fileCopy.createNewFile();
RandomAccessFile readFile=new RandomAccessFile(fileRead,"rw");
RandomAccessFile writeFile=new RandomAccessFile(fileCopy,"rw");
int count=1;
while(count>0){
bs = new byte[1024];
readFile.read(bs, 0, 1024);
writeFile.write(bs,0,count);
}
}catch(IOException e){
e.printStackTrace();
}
}
}看看,行不?
import java.io.*;
public class saveToFile{
public static void main(String args[]){
byte t[]=new byte[1024];
try{
FileInputStream fis=new FileInputStream("E:\\KECHENGSHEJI\\wangzhaohui.jpg"); FileOutputStream fos=new FileOutputStream("E:\\KECHENGSHEJI\\out.jpg");
int i;
while((i=fis.read(t))!=-1)
{
fos.write(t);
}
}
catch(IOException e)
{
}
}
}
那我开个帖子还你一些分?哈哈
public void openFile() {
String fname = null;
JFileChooser fc = new JFileChooser(); int returnVal = fc.showOpenDialog(NotePad.this);
if(returnVal == JFileChooser.APPROVE_OPTION) {
File file = fc.getSelectedFile();
try{
FileReader fr = new FileReader(file);
BufferedReader br = new BufferedReader(fr);
StringBuffer sb = new StringBuffer();
int i;
while((i = br.read())!= -1){
sb.append((char)i);
}
ta.setText(sb.toString());
}catch (Exception e) {
// XXX: handle exception
}
} else {
return;
}
}