能不能从smartUpload中，得到输出流?

Question

我们公司以前做的方法是改一下upload的代码，能实现

Answer 1

看这个吧！！！import java.sql.*;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import com.jspsmart.upload.*;
/**
 * <p>Title: </p>
 * <p>Description: 上\u4F20文件到\u6570据中。形式在form中加上 ENCTYPE="multipart/form-data" </p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */public class UpLoad extends HttpServlet{
    public UpLoad() {
    }
    private ServletConfig config;
    /**
    * Init the servlet
    */
    final public void init(ServletConfig config) throws ServletException {
            this.config = config;
    }    final public ServletConfig getServletConfig() {
            return config;
    }    public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
        doPost(request,response);
    }
    public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
        System.out.println("============UpLoad begin ddd=============");
        String id=null;
        SmartUpload mySmartUpload = new SmartUpload();
        PrintWriter out = response.getWriter();
        try  {
            Class.forName("oracle.jdbc.driver.OracleDriver");
        }catch(java.lang.ClassNotFoundException  e)  {
            System.err.print("ClassNotFoundException: "+e.getMessage());
        }
        try{
            //Class.forName("oracle.jdbc.driver.OracleDriver");
            Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@10.216.0.2:1521:ORCL","dms","dms");            conn.setAutoCommit(false);//\u8BBE置自\u52A8提交，以提高性能。
            Statement stmt=conn.createStatement();
            // Initialization
            mySmartUpload.initialize(config, request, response);            mySmartUpload.setMaxFileSize(500 * 1024);            // Upload
            mySmartUpload.upload();            //取得text框中的\u6570据
            Enumeration enumer=mySmartUpload.getRequest().getParameterNames();
            while(enumer.hasMoreElements()){
                String key=(String) enumer.nextElement();
                String[] values=mySmartUpload.getRequest().getParameterValues(key);
                if(key.equals("id")){ //得到text框中的value值
                    id=values[0];
                }
            }            //取得文件和文件名
            com.jspsmart.upload.File myFile = mySmartUpload.getFiles().getFile(0);
            String fileName=myFile.getFileName();            if(!myFile.isMissing()){
                //save data
                myFile.saveAs(fileName,mySmartUpload.SAVE_PHYSICAL);
                System.out.println("============fileName="+fileName+"====");
                java.io.File file=new java.io.File(fileName); java.io.InputStream inStream=new java.io.FileInputStream(file);                int fileSize=myFile.getSize();
                byte[] bytes = new byte[fileSize];
                System.out.println("============fileSize="+fileSize+"====");               //\u5C06\u6570据插入到\u6570据\u5E93中
               String strSql="insert into zyw_test(id,name,content) values('"+id+"','"+fileName+"',empty_blob())";
               stmt.execute(strSql);               ResultSet rs=stmt.executeQuery("select content from zyw_test where id='"+id+"' for update ");
               if (rs.next()){
                   oracle.sql.BLOB blob = ((oracle.jdbc.OracleResultSet)rs).getBLOB("content");
                   OutputStream outStream = blob.getBinaryOutputStream();
                   inStream.read(bytes);
                   outStream.write(bytes);
                   outStream.flush();
                   stmt.execute("commit");
                   outStream.close();
               }
               inStream.close();
               stmt.close();
                out.println("upload sucess");
            }else{
                out.println("no file");
            }
        }catch(Exception ex){
            out.println("upload fail");
            ex.printStackTrace();
        }
        System.out.println("============UpLoad end=============");
    }
}

Answer 2

to： d80(今天没事做) 
你的代码我看了，你的思路是先把文件保存到服务器上，然后再入库，那么这样是不是浪费服务期的空间啊！！我想的是直接用程序得到数据流，另外我不知道java.io.File和
com.jspsmart.upload.File的区别在那里？？？

Answer 3

我下载的是.class文件，是不是要反编译一下才行

Answer 4

to： d80(今天没事做) 
我先试一下

Answer 5

反编译一下,具体的参考SmartUpload中的upload方法和File的saveAs.
最好是保持原来的不变的基础上,把upload方法改一下保存成自己的方法就可以.

Answer 6

谢谢大家帮忙，我试了一下d80(今天没事做) 的方法
代码如下：
<%@ page import="java.sql.*"  %>
<%@page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*"%> 
<%@ page import="java.util.*"%> 
<%@ page import="javax.servlet.*"%> 
<%@ page import="javax.servlet.http.*"%> 
<%@ page import="java.lang.*"%>
<%@ page language="java" import="com.jspsmart.upload.*"%>
<jsp:useBean id="myUpload" scope="page" class="com.jspsmart.upload.SmartUpload" /><HTML>
<BODY BGCOLOR="white">
<HR>
<% myUpload.initialize(pageContext);
myUpload.upload();    
    String sDBDriver="sun.jdbc.odbc.JdbcOdbcDriver";
    String sConnStr="jdbc:odbc:easy_people";
    Connection con=null;
try{
     Class.forName(sDBDriver);
 con=DriverManager.getConnection(sConnStr,"webwth","wthpass1234");
   } 
catch(java.lang.ClassNotFoundException  e)  
  {  
         System.err.print("数据库连接出错:  ");  
         System.err.println(e.getMessage());
       }    
    String picname=myUpload.getRequest().getParameter("picname");
    String sqlin = "insert into picture(name,image) values (?,?)";
com.jspsmart.upload.File myFile = myUpload.getFiles().getFile(0);
            String fileName=myFile.getFileName();
            if(!myFile.isMissing()){
                //save data
                myFile.saveAs(fileName,myUpload.SAVE_PHYSICAL);
                System.out.println("============fileName="+fileName+"====");
                java.io.File file=new java.io.File(fileName);
        java.io.InputStream inStream=new java.io.FileInputStream(file);
                int fileSize=myFile.getSize();
                byte[] bytes = new byte[fileSize];
                System.out.println("============fileSize="+fileSize+"====");
}PreparedStatement  ps  =  con.prepareStatement(sqlin);
ps.setString(1,picname); 
ps.setBinaryStream(2,inStream,myUpload.getFiles().getFile(0).getSize());   
ps.executeUpdate();  
ps.close();  
out.print("<script language=javascript>alert('图片保存成功');history.back();document.refresh;</script>");
%>
</BODY>
</HTML>
大家看一下有什么问题

Answer 7

如果服务器操作权限不够,这里会出问题.
myFile.saveAs(fileName,myUpload.SAVE_PHYSICAL);

Answer 8

ok 问题解决了，d80(今天没事做)的办法行的同！！！
散分