import java.io.FileNotFoundException;
import java.io.IOException;import java.io.File;
public class ReadFile {
public ReadFile() { }
/** * 讀取某個文件夾下的所有文件 */
public static boolean readfile(String filepath) throws FileNotFoundException, IOException {
try {
File file = new File(filepath);
if (!file.isDirectory()) {
System.out.println("文件");
System.out.println("path=" + file.getPath());
System.out.println("absolutepath=" + file.getAbsolutePath());
System.out.println("name=" + file.getName());
} else if (file.isDirectory()) {
System.out.println("文件夾");
String[] filelist = file.list();
for (int i = 0; i < filelist.length; i++) {
File readfile = new File(filepath + "\\" + filelist[i]);
if (!readfile.isDirectory()) {
System.out.println("path=" + readfile.getPath());
System.out.println("absolutepath="+ readfile.getAbsolutePath());
System.out.println("name=" + readfile.getName()); }
else if (readfile.isDirectory())
{ readfile(filepath + "\\" + filelist[i]);}
}
}
} catch (FileNotFoundException e) {
System.out.println("readfile() Exception:" + e.getMessage());
}
return true; }
/** * 刪除某個文件夾下的所有文件夾和文件 */
/*public static boolean deletefile(String delpath)
throws FileNotFoundException, IOException {
try {
File file = new File(delpath);
if (!file.isDirectory()) {
System.out.println("1");
file.delete();
} else if (file.isDirectory()) {
System.out.println("2");
String[] filelist = file.list();
for (int i = 0; i < filelist.length; i++) {
File delfile = new File(delpath + "\\" + filelist[i]);
if (!delfile.isDirectory()) {
System.out.println("path=" + delfile.getPath());
System.out.println("absolutepath="
+ delfile.getAbsolutePath());
System.out.println("name=" + delfile.getName());
delfile.delete();
System.out.println("刪除文件成功");
} else if (delfile.isDirectory()) {
deletefile(delpath + "\\" + filelist[i]);
}
}
file.delete(); }
} catch (FileNotFoundException e) {
System.out.println("deletefile() Exception:" + e.getMessage());
} return true; }*/
public static void main(String[] args) {
try {
readfile("e:/videos");
// deletefile("D:/file");
} catch (FileNotFoundException ex) {
} catch (IOException ex) {
} System.out.println("ok");
}}

讀取某個文件夾下的所有文件