copy文件

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class CopyPic {

public void copy(String src, String dest) {// **********
InputStream is = null;
OutputStream os = null;
char ch[] = src.toCharArray();

// ************新添加的代码**********
int pos = 0;
for (int i = ch.length - 1; i >= 0; i--) {
if (ch[i] == '\\') {
if (i > pos)
pos = i;
}
}
String temp = src.substring(pos);
dest = dest + temp;
System.out.println("dest=" + dest);
// ****************************************

try {
is = new BufferedInputStream(new FileInputStream(src));
os = new BufferedOutputStream(new FileOutputStream(dest));

byte[] b = new byte[256];
int len = 0;
String str = null;
StringBuilder sb = new StringBuilder();
try {
while ((len = is.read(b)) != -1) {
os.write(b, 0, len);

}
os.flush();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} finally {
if (os != null) {
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}


}