递归查找文件列表失败 - 黑马程序员技术交流社区

<font size="2">import java.io.*;
import java.util.ArrayList;
public class SearchFile {
public static void main(String[] args) {
// TODO Auto-generated method stub
File dir=new File("E:\\java123\\test");
search(dir);
}
public static void search(File dir)
{
if( (!dir.exists())&&(!dir.isDirectory()))
throw new RuntimeException("路径不合法");
PrintWriter bufw=null;
File[] files=dir.listFiles();
ArrayList<String> list=new ArrayList<String>();
list.add(dir.getAbsolutePath());
for(int x=0;x<files.length;x++)
{
if(files[x].isDirectory())
{
search(files[x]);
System.out.println("继续查找文件夹"+files[x].getAbsolutePath());
}
else
{
if(files[x].getName().endsWith(".java"))
{
list.add(files[x].getName());
}
else
continue;
}
}
try
{
bufw=new PrintWriter(new FileWriter("E:\\java123\\黑马考试\\练习题\\文件列表2015-5-30.txt"));
for(String file:list)
{
bufw.println(file);
}
System.out.println("文件列表获取异常");
}
catch (IOException e) {
// TODO Auto-generated catch block
System.out.println("文件列表获取异常");
}
finally
{
try
{
if(bufw!=null)
bufw.close();
}
catch (Exception e) {
System.out.println("流关闭异常");
}
}
}
}</font>

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