public class CopyFile {
public static void main(String[] args) {
String path ="d:/file";
Execute e = new Execute();
e.exe(path);
}
}
//执行部分
class Execute{
public void exe(String s){
File f = new File(s);
//查找目标文件
f.list(new FilenameFilter(){//过滤文件
public boolean accept(File dir, String name) {
//找出所要找的文件 //判断是否是.txt结尾的文件
if(name.endsWith(".txt")){
//获取的path，将\转换成/
String path = dir.getPath().replace("\\", "/");
System.out.println(path);
//copy部分
File f1 = new File(path+"/"+name);
InputStream is = null;
OutputStream os = null;
try {
is = new FileInputStream(f1);
os = new FileOutputStream("f:/mm/"+name);//将读入的文件，写入到这个文件中
byte [] b = new byte[1024];
int len = 0;
while((len=is.read(b))!=-1){
os.write(b);
}
