Posted on 2007-02-09 11:32
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JSP學習
?upfile.jsp 文件代碼如下:
? <form method="post" action="uploadimage.jsp" name="form1" enctype="multipart/form-data">
? <input type="file" name="file">
? <input type="submit" name="sub" value="upload">
?? </form>
uploadimg.jsp 文件代碼如下：
<%@ page language="java"? pageEncoding="gb2312"%>
<%@ page import="java.io.*,java.awt.Image,java.awt.image.*,com.sun.image.codec.jpeg.*,java.sql.*,com.jspsmart.upload.*,java.util.*"%>
<%@ page import="mainClass.*" %>
<html>
? <head>
??? <title>My JSP 'uploadimage.jsp' starting page</title>
? </head>
?
? <body>
??? <%
??? SmartUpload sma=new SmartUpload();
???
??? long file_max_size=4000000;
???
??? String filename1="",ext="",testvar="";
???
??? String url="uploadfiles/";
???
??? sma.initialize(pageContext);
???
??? try
??? {
??? sma.setAllowedFilesList("jpg,gif");
???
??? sma.upload();
???
??? }catch(Exception e){
??? %>
??? <script language="jscript">
??? alert("只允許上傳jpg,gif圖片")
??? window.location.href="upfile.jsp"
??? </script>
??? <%
??? }
??? try{
??? com.jspsmart.upload.File myf=sma.getFiles().getFile(0);
???
??? if(myf.isMissing()){
???
??? %>
??? <script language="jscript">
??? alert("請選擇要上傳的文件!")
??? window.location.href="upfile.jsp"
??? </script>
??? <%
??? }else{
???
??? ext=myf.getFileExt();
???
??? int file_size=myf.getSize();
???
??? String saveurl="";
???
??? if(file_size < file_max_size){
???
??? Calendar cal=Calendar.getInstance();
???
??? String filename=String.valueOf(cal.getTimeInMillis());
???
??? saveurl=request.getRealPath("/")+url;
???
??? saveurl+=filename+"."+ext;
???
??? myf.saveAs(saveurl,sma.SAVE_PHYSICAL);
???
??? myclass mc=new myclass(request.getRealPath("data/data.mdb"));
???
??? mc.executeInsert("insert into [path] values('uploadfiles/"+filename+"."+ext+"')");
???
??? out.println("圖片上傳成功!");
???
??? response.sendRedirect("showimg.jsp");
??? }
???
??? }
???
??? }catch(Exception e){
??? e.printStackTrace();
??? }
??? %>
? </body>
</html>