1.import java.io.*;class DirPath {
void dirName(String dirName){
File f = new File(dirName);
String dirFile[] = f.list();
for(int i = 0;i<dirFile.length ;i++){
File f1 = new File(dirName ,dirFile[i]);
if(f1.isDirectory()){
System.out.println(f1.getAbsolutePath().toString());
dirName(f1.getAbsolutePath().toString());
}
}
}
}class Exercise {
public static void main(String args[]) {
String dirName = "/project";
DirPath dp = new DirPath();
dp.dirName(dirName);
}}2.boolean delete()方法执行删除操作;
void dirName(String dirName){
File f = new File(dirName);
String dirFile[] = f.list();
for(int i = 0;i<dirFile.length ;i++){
File f1 = new File(dirName ,dirFile[i]);
if(f1.isDirectory()){
System.out.println(f1.getAbsolutePath().toString());
dirName(f1.getAbsolutePath().toString());
}
}
}
}class Exercise {
public static void main(String args[]) {
String dirName = "/project";
DirPath dp = new DirPath();
dp.dirName(dirName);
}}2.boolean delete()方法执行删除操作;
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import java.io.*;
public class TestDir
{
public static void main(String[] args){
File dir = new File("ttt");
String[] fileNames;
File file;
fileNames = dir.list();
for(int i=0; i< fileNames.length; i++){
file = new File(dir,fileNames[i]);
System.out.print(file.getAbsolutePath());
if(file.delete()){
System.out.println(" delete ok" );
}
}
}
};
import java.util.ArrayList;/**
* @author zhangli | nickname:totodo
* @porject ESM
* Crop.www.is-one.net
* Email:[email protected]
*/
public class FileTest {
private ArrayList filelist = new ArrayList();
/**
* 递归,将 文件的路径放入filelist中去
* @param f
*/
public void dir(File f) {
if (f.isFile()) {
filelist.add(f.getAbsoluteFile());
System.out.println(f.getAbsoluteFile());
} else if (f.isDirectory()) {
for (int i = 0; i < f.listFiles().length; i++) {
this.dir(f.listFiles()[i]);
}
}
}
public static void main(String args[]){
File f = new File("e:\\New_work");
FileTest ft= new FileTest();
ft.dir(f);
}
}