java创建文件夹，文件；删除文件夹，文件

package  ifpre.web;

import  gxdmif.GXStringUtil;

import  java.io.DataOutputStream;
import  java.io.File;
import  java.io.FileOutputStream;
import  java.io.InputStream;

import  org.springframework.web.multipart.MultipartFile;

public   class  SaveFile  {
     public   boolean  save(String path, MultipartFile file)  throws  Exception  {
        GXStringUtil gx  =   new  GXStringUtil();
         boolean  result  =   false ;
        File dirFile  = null ;
         try {
            dirFile  =   new  File(path);
             if ( ! (dirFile.exists())  &&   ! (dirFile.isDirectory())) {
                 boolean  creadok  =  dirFile.mkdirs();
                 if (creadok) {
                    System.out.println( " ok:创建文件夹成功！ " );
                } else {
                    System.out.println( " err:创建文件夹失败！ " );                    
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println(e);
             return   false ;
        }
         if  (file  !=   null   &&   ! file.isEmpty())  {
            String fullPath  =  path  +  System.getProperty( " file.separator " )
                     +  gx.netStringToGBK(file.getOriginalFilename());
            DataOutputStream out  =   null ;
            InputStream is  =   null ;
             try   {
                out  =   new  DataOutputStream( new  FileOutputStream(fullPath));
                is  =  file.getInputStream();
                 byte [] buffer  =   new   byte [ 1024 ];
                 while  (is.read(buffer)  >   0 )  {
                    out.write(buffer);
                }
            }   finally   {
                 if  (is  !=   null )  {
                    is.close();
                }
                 if  (out  !=   null )  {
                    out.close();
                }
            }
            result  =   true ;
        }
         return  result;
    }

     public   boolean  delete(String path, MultipartFile file)  throws  Exception  {
        GXStringUtil gx  =   new  GXStringUtil();
         boolean  result  =   false ;
         if  (file  !=   null   &&   ! file.isEmpty())  {
            String fullPath  =  path  +  System.getProperty( " file.separator " )
                     +  gx.netStringToGBK(file.getOriginalFilename());
             try   {
                File file2  =   new  File(fullPath);
                file2.delete();
                result  =   true ;
            }   catch  (Exception e)  {
                e.printStackTrace();
                result  =   false ;
            }
        }
         return  result;
    }
    
     public     boolean    deleteFolder(File   folder)    {  
         boolean  result  =   false ;
         try {
              String   childs[]    =    folder.list();  
               if    (childs    ==     null     ||    childs.length    <=     0 )    {  
                         if (folder.delete()) {
                            result  =   true ;
                        }
              }   else {
                   for    ( int    i    =     0 ;   i    <    childs.length;   i ++ )    {  
                          String   childName    =    childs[i];  
                          String   childPath    =   
                              folder.getPath()    +    File.separator    +    childName;  
                          File   filePath    =     new    File(childPath);  
                           if    (filePath.exists()    &&    filePath.isFile())    { 
                                 if (filePath.delete()) {
                                    result  =   true ;
                                } else {
                                    result  =   false ;
                                     break ;
                                }
                          }   
                           else     if    (filePath.exists()    &&    filePath.isDirectory())    {  
                                 if (deleteFolder(filePath)) {
                                    result  =   true ;
                                } else {
                                    result  =   false ;
                                     break ;
                                }
                          }   
                  }
                }
       
              folder.delete();  
          } catch (Exception e) {
              e.printStackTrace();
              result  =   false ;
          }
         return  result;
    }
}