java 創建文件夾和文件

import java.io.*;

 

public class Fan {

        public static void main(String[] args) {
  
        String path ="d://upload_test//file";          //設置一個默認文件夾路徑
        File uploadFilePath = new File(path);

        // 如果該目錄不存在,則創建之
        if(uploadFilePath.exists() == false) {
               uploadFilePath.mkdirs();
               System.out.println("路徑不存在,但是已經成功創建了" + path);
        }else{
              System.out.println("文件路徑存在" + path);
        }
       
        String filePath = path+"//xin.txt";
        File createFile = new File(filePath);
        try {
                 createFile.createNewFile();
                 System.out.println("文件創建成功！");
        } catch (IOException e) {
                System.out.println("文件創建失敗了！");
                e.printStackTrace();
       }

   }

}