jsp SmartUpload 實(shí)現(xiàn)上傳功能代碼

%@ page contentType="text/html;charset=gb2312"%>
html>
head>
meta http-equiv="Content-Type" content="text/html; charset=gb2312">
/head>
body leftmargin="0" topmargin="0" bgcolor="#ffffff">
form action="upfilea.jsp" method="post" name="form1"
enctype="multipart/form-data">
input name="FileName" type="FILE" size="30">
input type="submit" name="Submit" value="上傳" >
/form>
/body>
/html>
上傳頁(yè)面
%@ page contentType="text/html;charset=gb2312"%>
%@ page import="java.sql.*"%>
%@ page import="java.util.*"%>
%@ page import="java.io.*"%>
%@ page import="com.jspsmart.upload.*" %>
%
//實(shí)例化上載bean
com.jspsmart.upload.SmartUpload mySmartUpload=new
com.jspsmart.upload.SmartUpload();
//初始化
mySmartUpload.initialize(pageContext);
//設(shè)置上載的最大值
mySmartUpload.setMaxFileSize(500 * 1024*1024);
//上載文件
mySmartUpload.upload();
//循環(huán)取得所有上載的文件
for (int i=0;i mySmartUpload.getFiles().getCount();i++)
{
//取得上載的文件
com.jspsmart.upload.File myFile = mySmartUpload.getFiles().getFile(i);
if (!myFile.isMissing())
{
//取得上載的文件的文件名
String myFileName=myFile.getFileName();
//取得不帶后綴的文件名
String suffix=myFileName.substring(0,myFileName.lastIndexOf('.'));
//取得后綴名
String ext= mySmartUpload.getFiles().getFile(0).getFileExt();
if(!(ext.equals("gif")||ext.equals("jpg")||ext.equals("wmv")
||ext.equals("avi")||ext.equals("swf"))){
out.print(" script language='javascript'>!--
alert('上傳失敗，圖片格式為
GIF或者JPG，視頻格式為WMV或者AVI，falsh為swf請(qǐng)重試！');
// -->/script>");
out.print(" script language='javascript'>!--
window.location.href =
'uploadb.jsp'
// -->/script>");
}else
{
//取得文件的大小
int fileSize=myFile.getSize();
//保存路徑
String aa=getServletContext().getRealPath("/")+"upload/";
Random mynum=new Random(1);
int num=mynum.nextInt(10000);
num=(int)Math.random()*10000;
java.text.SimpleDateFormat formatter = new java.text.SimpleDateFormat
("yyMMddhhmmss");
java.util.Date date=new java.util.Date();
String days=formatter.format(date);
days=days+num;
//System.out.println("days="+days);
//System.out.println("pre="+pre);
//取得別的參數(shù)
request.setCharacterEncoding("GB2312");
/*if(request.getSession(true).getAttribute("id")!="")
{
id = request.getSession(true).getAttribute("id").toString();
}
myFile.saveAs("upload/"+days+myFile.getFileName());
String pic="upload/"+days+myFile.getFileName();*/
myFile.saveAs("upload/"+days+"6."+ext);
String pic="upload/"+days+"6."+ext;
session.setAttribute("pic",pic);
out.print(" script
language='javascript'>!--
parent.heheForm.pic.value='"+pic+"';
// -->/script>");
out.print(" script language='javascript'>!--
alert('上傳成功');
// -->/script>");
//下面的是將上載的文件保存到數(shù)據(jù)庫(kù)中
//將文件保存在服務(wù)器端
//將文件寫到數(shù)據(jù)庫(kù)中
//response.sendRedirect("uploada.jsp");
}}else{out.print(" script language='javascript'>!--
alert('文件上傳失
?。?);location=''
// -->/script>");}}
//與前面的if對(duì)應(yīng)
%>
html>
head> /head>
body leftmargin="0" topmargin="0" bgcolor="#ffffff">
form>
input type="text" name="pic" value=" %=session.getAttribute("pic")%>"
size="30">
/form>
/body>
/html>