遍历某一个指定目录下的所有子目录和文件（递归）

import java.io.File;

public class SearchFileTest {

	
	//绝对路径
	public static void showAllFiles(File file)
	{
		File[] fileList = file.listFiles();
		
		
		for (File fileName : fileList)
		{
			System.out.println(fileName.getAbsolutePath());

			if (fileName.isDirectory())
			{
				showAllFiles(fileName);
			}
		}
	}
	//相对路径
	public static void showAllFiles(File file,int level)
	{
		File[] fileList = file.listFiles();
		String str = "";
		for(int i=0;i