import java.io.*; 
import java.io.*;
class Main{  
public static void main(String[] args) throws IOException{         
	//  File path=new File("e:\\liudan2");
	 // File file=new 
File(path,"txt.txt");
StringBuffer st1=new StringBuffer("d:\\");
for(int 
i=0;i<1000;i++)
{
	
	st1.append("ld"+i+"\\"+"\\");
	
}
File path=new File(st1.toString());
File file=new 
File(path,"txt.txt");
path.mkdirs();
file.createNewFile();
 
	} 
}
原文地址:http://www.cnblogs.com/lpjia/p/3746953.html