java简单文件上传

不念不忘少年蓝@ 2021-12-17 05:11 274阅读 0赞

/\*  
  \* 对表单上传的文件进行改名  
  \*/  
   private String getNewFilename(String s)\{  
         int i = s.indexOf(".");  
         String s1 = s.substring(i+1,s.length());  
         java.util.Date today = new java.util.Date();  
         String str ="";  
         //SimpleDateFormat他在java.text包下面，作用是把一个data对象转换成我们想要的字符串  
         SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmssSSS");  
         str = formatter.format(today);  
         return str+"."+s1;  
      \}

/\* \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* 文件上传 \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* \*/    
    
  FormFile file = ef.getFile();  
  String Savefilepath = "" ;  
  String Savefilename = "" ;  
    
      if (!( file.getFileName()).equals(""))  
         \{  
          try \{  
            InputStream stream = file.getInputStream();//把文件读入  
            Savefilepath = request.getRealPath("/upload");//将文件存放在当前系统路径的哪个文件夹下                                     
             
            Savefilename = getNewFilename(file.getFileName());  
            Savefilepath = Savefilepath + "\\\\" + Savefilename;  
             
            //将文件名存入数据库  
            empl.setRemark(Savefilename);  
             
            OutputStream bos = new FileOutputStream(Savefilepath);//建立一个上传文件的输出流                       
             
            int bytesRead = 0;  
            byte\[\] buffer = new byte\[10\*1024\];  
            while ( (bytesRead = stream.read(buffer, 0, 10240)) != -1) \{  
              bos.write(buffer, 0, bytesRead);//将文件写入服务器的硬盘上  
           \}  
            bos.close();  
            stream.close();  
         \}catch(Exception e)\{  
           e.printStackTrace();  
         \}  
         \}  
    
/\* \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* 文件上传 \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  \*/

String content = ds.toGBK(ds.toString((String)request.getParameter("content")));

jdbc:oracle:thin:@192.168.0.13:1521:dbstudy

oracle.jdbc.driver.OracleDriver

转载于:https://www.cnblogs.com/coconut\_zhang/archive/2008/12/02/1346078.html