<FORM METHOD="POST" ENCTYPE="multipart/form-data" ACTION="/jspSmartUpload/upload.jsp"> <INPUT TYPE="FILE" NAME="MYFILE"> <INPUT TYPE="SUBMIT"> </FORM> |
<!--
File name: upload.html
Author: Yu Yiqi from Zongheng Software Production Center ([email protected])
-->
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>File upload</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<p> </p>
<p align="center">Upload file selection</p>
<FORM METHOD="POST" ACTION="jsp/do_upload.jsp"
ENCTYPE="multipart/form-data">
<input type="hidden" name="TEST" value="good">
<table width="75%" border="1" align="center">
<tr>
<td><div align="center">1.
<input type="FILE" name="FILE1" size="30">
</div></td>
</tr>
<tr>
<td><div align="center">2.
<input type="FILE" name="FILE2" size="30">
</div></td>
</tr>
<tr>
<td><div align="center">3.
<input type="FILE" name="FILE3" size="30">
</div></td>
</tr>
<tr>
<td><div align="center">4.
<input type="FILE" name="FILE4" size="30">
</div></td>
</tr>
<tr>
<td><div align="center">
<input type="submit" name="Submit" value="Upload it!">
</div></td>
</tr>
</table>
</FORM>
</body>
</html> |
<%-- File name: do_upload.jsp Author: Yu Yiqi from Zongheng Software Production Center ([email protected]) --%> <%@ page contentType="text/html; charset=gb2312" language="java" import="java.util.*,com.jspsmart.upload.*" errorPage="" %> <html> <head> <title>File upload processing page</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> </head> <body> <% // Create a new SmartUpload object SmartUpload su = new SmartUpload(); //Upload initialization su.initialize(pageContext); // Set upload limits // 1. Limit the maximum length of each uploaded file. // su.setMaxFileSize(10000); // 2. Limit the length of the total uploaded data. // su.setTotalMaxFileSize(20000); // 3. Set the files allowed to be uploaded (restricted by extension), only doc and txt files are allowed. // su.setAllowedFilesList("doc,txt"); // 4. Set files that are prohibited from being uploaded (restricted by extension), prohibit uploading files with exe, bat, Files with jsp, htm, html extensions and files without extensions. // su.setDeniedFilesList("exe,bat,jsp,htm,html,,"); //Upload files su.upload(); // Save all uploaded files to the specified directory int count = su.save("/upload"); out.println(count+"Files uploaded successfully!<br>"); //Use the Request object to obtain the value of the parameter out.println("TEST="+su.getRequest().getParameter("TEST") +"<BR><BR>"); // Extract uploaded file information one by one, and save files at the same time. for (int i=0;i<su.getFiles().getCount();i++) { com.jspsmart.upload.File file = su.getFiles().getFile(i); // Continue if the file does not exist if (file.isMissing()) continue; // Display current file information out.println("<TABLE BORDER=1>"); out.println("<TR><TD>Form name (FieldName)</TD><TD>" + file.getFieldName() + "</TD></TR>"); out.println("<TR><TD>File length (Size)</TD><TD>" + file.getSize() + "</TD></TR>"); out.println("<TR><TD>FileName (FileName)</TD><TD>" + file.getFileName() + "</TD></TR>"); out.println("<TR><TD>File Extension (FileExt)</TD><TD>" + file.getFileExt() + "</TD></TR>"); out.println("<TR><TD>Full name of file (FilePathName)</TD><TD>" + file.getFilePathName() + "</TD></TR>"); out.println("</TABLE><BR>"); // Save the file as // file.saveAs("/upload/" + myFile.getFileName()); // Save to a directory with the root directory of the WEB application as the file root directory // file.saveAs("/upload/" + myFile.getFileName(), su.SAVE_VIRTUAL); // Save to the directory where the root directory of the operating system is the file root directory // file.saveAs("c:\temp\" + myFile.getFileName(), su.SAVE_PHYSICAL); } %> </body> </html> |
<!-- File name: download.html Author: Yu Yiqi from Zongheng Software Production Center ([email protected]) --> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>Download</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> </head> <body> <a href="jsp/do_download.jsp">Click to download</a> </body> </html> |
<%@ page contentType="text/html;charset=gb2312"
import="com.jspsmart.upload.*" %><%
// Create a new SmartUpload object SmartUpload su = new SmartUpload();
//Initialize su.initialize(pageContext);
//Set contentDisposition to null to prevent the browser from automatically opening the file.
// Ensure that the file is downloaded after clicking the link. If not set, when the extension of the downloaded file is //doc, the browser will automatically open it with word. When the extension is pdf,
//The browser will be opened with acrobat.
su.setContentDisposition(null);
// Download file su.downloadFile("/upload/How to earn my first pot of gold.doc");
%> |
public void downloadFile(String s, String s1, String s2, int i)
throws ServletException, IOException, SmartUploadException
{
if(s==null)
throw new IllegalArgumentException("File '" + s +
"' not found (1040).");
if(s.equals(""))
throw new IllegalArgumentException("File '" + s +
"' not found (1040).");
if(!isVirtual(s) && m_denyPhysicalPath)
throw new SecurityException("Physical path is
denied (1035).");
if(isVirtual(s))
s = m_application.getRealPath(s);
java.io.File file = new java.io.File(s);
FileInputStream fileinputstream = new FileInputStream(file);
long l = file.length();
boolean flag = false;
int k = 0;
byte abyte0[] = new byte[i];
if(s1==null)
m_response.setContentType("application/x-msdownload");
else
if(s1.length() == 0)
m_response.setContentType("application/x-msdownload");
else
m_response.setContentType(s1);
m_response.setContentLength((int)l);
m_contentDisposition = m_contentDisposition != null ?
m_contentDisposition : "attachment;";
if(s2 == null)
m_response.setHeader("Content-Disposition",
m_contentDisposition + " filename=" +
toUtf8String(getFileName(s)));
else
if(s2.length() == 0)
m_response.setHeader("Content-Disposition",
m_contentDisposition);
else
m_response.setHeader("Content-Disposition",
m_contentDisposition + " filename=" + toUtf8String(s2));
while((long)k < l)
{
int j = fileinputstream.read(abyte0, 0, i);
k += j;
m_response.getOutputStream().write(abyte0, 0, j);
}
fileinputstream.close();
}
/**
* Convert the Chinese characters in the file name to a UTF8 encoded string so that the saved file name can be correctly displayed when downloading.
* Zongheng Software Production Center Yu Yiqi 2003.08.01
* @param s original file name* @return re-encoded file name*/
public static String toUtf8String(String s) {
StringBuffer sb = new StringBuffer();
for (int i=0;i<s.length();i++) {
char c = s.charAt(i);
if (c >= 0 && c <= 255) {
sb.append(c);
} else {
byte[] b;
try {
b = Character.toString(c).getBytes("utf-8");
} catch (Exception ex) {
System.out.println(ex);
b = new byte[0];
}
for (int j = 0; j < b.length; j++) {
int k = b[j];
if (k < 0) k += 256;
sb.append("%" + Integer.toHexString(k).
toUpperCase());
}
}
}
return sb.toString();
} |