file upload plugin

package com.util;

import java.io.File;
import java.io.IOException;
import java.util.UUID;

import javax.servlet.http.HttpServletRequest;

import org.springframework.web.multipart.MultipartFile;

/**
* File upload tool class
* @author
*2017-05-03
*/
public class UploadFile {

   /**
   * Upload file
   * @param file
   * @return file
   *
   */
   public File Uploadfile(HttpServletRequest request,MultipartFile file) {
       //Get the server address

// String path= new File(System.getProperty("user.dir")+"\\upload\\").toString();
// if(!new File(path).exists ()) {
// new File(path).mkdirs();
// }
       String path= request.getSession().getServletContext().getRealPath("/upload");//relative path
       File storeDirectory = new File(path);
        if (!storeDirectory.exists()) {
            storeDirectory.mkdirs();
        }
       //原始名称.
       String originalFilename =file.getOriginalFilename();
       //后缀名
       String suffix = originalFilename.substring(originalFilename.lastIndexOf("."));
       //
       UUID ID = UUID.randomUUID();
       String newFileName = ID +suffix;
       //新文件
       File newFile = new File(path+"/"+newFileName);

       try {
           file.transferTo(newFile);
           //file.getInputStream().close();//关闭流
           return newFile;
       } catch (IllegalStateException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       } catch (IOException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }
       return null;
   }
   /**
   * 文件删除
   * @param file
   * @return
   */
   public String Deletefile(File file){

       if(file.exists()){
           try{
               if(file.delete()){
                   System.out.print("文件删除成功");
               }

           }catch(Exception e){
               e.getMessage();
           }

       }
       return null;
   }

}

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