simple file upload

王朝网络·java/jsp·作者佚名 2006-01-09

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fileup_in.jsp //单文件上传

<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>

<%@ page import="org.apache.commons.fileupload.*" %>

<%@ page import="java.util.*" %>

<%@ page import="java.io.*" %>

<jsp:useBean id="test" scope="page" class="test.DBconn"/>

<html>

<head>

<title>Untitled Document</title>

</head>

<body>

try{

String dir=request.getRealPath(".");

DiskFileUpload fu = new DiskFileUpload();

fu.setSizeMax(4194304); //设置文件大小.

fu.setSizeThreshold(4096); //设置缓冲大小.

fu.setRepositoryPath(dir+"/test"); //设置临时目录.

List fileItems = fu.parseRequest(request); //解析请求,返回一个集合.

Iterator i = fileItems.iterator();

String fieldvalue="";

String ff = "";

Object tt = "";

Vector v = new Vector();

while(i.hasNext())

{

FileItem fi = (FileItem)i.next();

if(fi.isFormField()) //这是用来确定是否为文件属性,

{

String fieldName = fi.getFieldName(); //这里取得表单名

fieldvalue=fi.getString(); //这里取得表单值

v.addElement(fieldvalue);

// out.print("<br>1");

// out.print("name:"+fieldName);

// out.print("value:"+fieldvalue);

// System.out.println(fieldvalue);

}

else //这里开始外理文件

{

File fullFile = new File(fi.getName());

File savedFile = new File(getServletContext().getRealPath("/test/images/"),fullFile.getName());

ff = fullFile.getName();

fi.write(savedFile); //上传到服务器

}

//将数据写入到数据库

tt = v.elementAt(0);

Object name = v.elementAt(1);

Object down = v.elementAt(2);

Object seqno = v.elementAt(3);

// System.out.println(down);

java.util.Date date = new java.util.Date();

String strdate = date.toLocaleString();

String url = tt + "/";

//int down = 20;

try

{

String sql = "insert into picture(kid,pic_name,pic_url,pic_downs,pic_date,seqno)values('"+tt+"','"+name+"','"+ff+"','"+down+"','"+strdate+"','"+seqno+"')";

test.executeUpdate(sql);

}

catch(Exception e)

{

out.println("insert into db error!");

}

catch(Exception e)

{}

alert("上传成功了，请返回!");window.location.reload("fileup.jsp");

</script>

</body>

</html>