Java创建文件夹与创建文件

jik

 

package test.file;

//time: 05-12-22
//author: [email][e-mail][/email]
//description: 程序先检查文件夹是否存在,如果不存在,则创建一个,存在,则继续运行.
//文件夹处理完成后,下一步工作为往文件夹中创建文件.
//caution: 当前文件夹中如果已经有名为abc.txt的文件时,
//在当前文件夹创建一个名为abc.txt的文件会失败.
//在这个程序中,如果E:\\test 下已经有名为1,2,3,4的文件时,程序执行会失败.

import java.io.*;

public class Demo {
	public static void main(String[] args) {
		File dirFile;
		File tempFile;
		boolean bFile;
		String sFileName;

		bFile = false;

		try {
			dirFile = new File("E:\\test");
			bFile = dirFile.exists();

			if (bFile == true) {
				System.out.println("The folder exists.");
			} else {
				System.out
						.println("The folder do not exist,now trying to create a one...");
				bFile = dirFile.mkdir();//建立多个文件夹时用mkdirs();
				if (bFile == true) {
					System.out.println("Create successfully!");
				} else {
					System.out
							.println("Disable to make the folder,please check the disk is full or not.");
					System.exit(1);
				}
			}

			System.out.println("Now we put files in to the folder...");

			for (int i = 0; i < 5; i++) {
				sFileName = new String("E:\\test\\");
				sFileName += String.valueOf(i);
				tempFile = new File(sFileName);
				bFile = tempFile.createNewFile();
			}
		} catch (IOException e) {
			// Exception hadler
		}

		if (bFile == true)
			System.out.println("Successfully put files in to the folder!");
		else
			System.out.println("Sorry sir,i don't finish the job!");
	}
}