simple file upload
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.*,java.util.regex.*" %>
<%@ page import="java.io.*,java.text.*" %>
<%@ page import="javax.servlet.*,javax.servlet.http.*"%>
<jsp:useBean id="test" scope="page" class="test.DBconn"/>
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</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 = "";
String picname="";
Object tt = "";
Vector v = new Vector();
//String regExp=".+(.+)$";
//String[] errorType={".exe",".com",".cgi",".asp",".swf",".txt"}; //检测文件格式
//Pattern p = Pattern.compile(regExp);
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());
ff = fullFile.getName();
String rr = "";
/* if(ff==null||ff.equals("")) //检测文件格式
continue;
Matcher m = p.matcher(ff);
boolean result = m.find();
if (result){
for (int temp=0;temp<errorType.length;temp++){
if (m.group(1).endsWith(errorType[temp])){
System.out.println(ff+": wrong type");
}
}
}
*/
java.util.Date date2 = new java.util.Date();
SimpleDateFormat formatter = new SimpleDateFormat ("yyyyMMddHHmmss"); //取得时间
String str2 = formatter.format(date2);
StringTokenizer st = new StringTokenizer(ff,".");
if (st.hasMoreTokens()){
String test12 = st.nextToken();
rr = st.nextToken();
//System.out.println(rr);
}
picname = str2+"."+rr; //以时间为图片名称
File savedFile = new File(getServletContext().getRealPath("/test/images/"),picname);
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+"','"+picname+"','"+down+"',getdate(),'"+seqno+"')";
test.executeUpdate(sql);
}
catch(Exception e)
{
out.println("insert into db error!");
}
}
catch(Exception e)
{}
%>
<script language="javascript">
alert("上传成功了，请返回!");window.location.reload("fileup.jsp");
</script>
</body>
</html>