?? smartupload.java
字號:
package com.comm.upload;
import java.io.*;
import java.sql.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
public class SmartUpload {
/*
// 新建一個SmartUpload對象
SmartUpload su = new SmartUpload();
// 上傳初始化
su.initialize(request.getSession().getServletContext(), (HttpServletRequest)request, (HttpServletResponse)response);
// 設定上傳限制
// 1.限制每個上傳文件的最大長度。
// su.setMaxFileSize(10000);
// 2.限制總上傳數據的長度。
// su.setTotalMaxFileSize(20000);
// 3.設定允許上傳的文件(通過擴展名限制),僅允許doc,txt文件。
su.setAllowedFilesList("jpg");
// 4.設定禁止上傳的文件(通過擴展名限制),禁止上傳帶有exe,bat,jsp, htm, html擴展名的文件和沒有擴展名的文件 。
// su.setDeniedFilesList("exe,bat,jsp,htm,html,,");
// 上傳文件
su.upload();
// 將上傳文件全部保存到指定目錄
int count = su.save("/images/photo");
System.out.println(count + "個文件上傳成功!<br>");
ImgUtil util = new ImgUtil("H:\\82 JBProjects\\BadmintonNety\\BadmintonNety\\images\\goods\\20061102121127.jpg");
util.makeThumbnail(getServlet().getServletContext().getRealPath("/") + "/images/photo/test.jpg", 140, 140);
// 利用Request對象獲取參數之值
System.out.println("TEST=" + su.getRequest().getParameter("TEST") + "<BR><BR>");
// 逐一提取上傳文件信息,同時可保存文件。
for (int i = 0; i < su.getFiles().getCount(); i++) {
SmartFile file = su.getFiles().getFile(i);
// 若文件不存在則繼續
if (file.isMissing())continue;
// 顯示當前文件信息
System.out.println("<TABLE BORDER=1>");
System.out.println("<TR><TD>表單項名(FieldName)</TD><TD>"
+ file.getFieldName() + "</TD></TR>");
System.out.println("<TR><TD>文件長度(Size)</TD><TD>" +
file.getSize() + "</TD></TR>");
System.out.println("<TR><TD>文件名(FileName)</TD><TD>"
+ file.getFileName() + "</TD></TR>");
System.out.println("<TR><TD>文件擴展名(FileExt)</TD><TD>"
+ file.getFileExt() + "</TD></TR>");
System.out.println("<TR><TD>文件全名(FilePathName)</TD><TD>"
+ file.getFilePathName() + "</TD></TR>");
System.out.println("</TABLE><BR>");
// 將文件另存
// file.saveAs("/upload/" + myFile.getFileName());
// 另存到以WEB應用程序的根目錄為文件根目錄的目錄下
// file.saveAs("/upload/" + myFile.getFileName(),su.SAVE_VIRTUAL);
// 另存到操作系統的根目錄為文件根目錄的目錄下
// file.saveAs("c:\\temp\\" + myFile.getFileName(),su.SAVE_PHYSICAL);
}
*/
protected byte m_binArray[];
protected HttpServletRequest m_request;
protected HttpServletResponse m_response;
protected ServletContext m_application;
private int m_totalBytes;
private int m_currentIndex;
private int m_startData;
private int m_endData;
private String m_boundary;
private long m_totalMaxFileSize;
private long m_maxFileSize;
private Vector m_deniedFilesList;
private Vector m_allowedFilesList;
private boolean m_denyPhysicalPath;
//private boolean m_forcePhysicalPath;
private String m_contentDisposition;
public static final int SAVE_AUTO = 0;
public static final int SAVE_VIRTUAL = 1;
public static final int SAVE_PHYSICAL = 2;
private SmartFiles m_files;
private SmartRequest m_formRequest;
public SmartUpload() {
m_totalBytes = 0;
m_currentIndex = 0;
m_startData = 0;
m_endData = 0;
m_boundary = ""; //new String();
m_totalMaxFileSize = 0L;
m_maxFileSize = 0L;
m_deniedFilesList = new Vector();
m_allowedFilesList = new Vector();
m_denyPhysicalPath = false;
//m_forcePhysicalPath = false;
m_contentDisposition = ""; //new String();
m_files = new SmartFiles();
m_formRequest = new SmartRequest();
}
/**
* @deprecated Method init is deprecated
*/
public final void init(ServletConfig servletconfig) throws ServletException {
m_application = servletconfig.getServletContext();
}
/**
* @deprecated Method service is deprecated
*/
public void service(HttpServletRequest httpservletrequest,
HttpServletResponse httpservletresponse) throws
ServletException, IOException {
m_request = httpservletrequest;
m_response = httpservletresponse;
}
public final void initialize(ServletContext servletcontext,
HttpServletRequest httpservletrequest,
HttpServletResponse httpservletresponse) throws
ServletException {
m_application = servletcontext;
m_request = httpservletrequest;
m_response = httpservletresponse;
}
public final void initialize(ServletConfig servletconfig,
HttpServletRequest httpservletrequest,
HttpServletResponse httpservletresponse) throws
ServletException {
m_application = servletconfig.getServletContext();
m_request = httpservletrequest;
m_response = httpservletresponse;
}
public final void initialize(PageContext pagecontext) throws
ServletException {
m_application = pagecontext.getServletContext();
m_request = (HttpServletRequest) pagecontext.getRequest();
m_response = (HttpServletResponse) pagecontext.getResponse();
}
/**
* @deprecated Method initialize is deprecated
*/
public final void initialize(ServletContext servletcontext,
HttpSession httpsession,
HttpServletRequest httpservletrequest,
HttpServletResponse httpservletresponse,
JspWriter jspwriter) throws ServletException {
m_application = servletcontext;
m_request = httpservletrequest;
m_response = httpservletresponse;
}
public void upload() throws ServletException, IOException,
SmartUploadException {
int i = 0;
//boolean flag = false;
boolean flag1 = false;
//boolean flag2 = false;
long l = 0L;
//String s = "";//new String();
//String s2 = "";//new String();
String s4 = ""; //new String();
String s5 = ""; //new String();
String s6 = ""; //new String();
String s7 = ""; //new String();
String s8 = ""; //new String();
String s9 = ""; //new String();
String s10 = ""; //new String();
m_totalBytes = m_request.getContentLength();
m_binArray = new byte[m_totalBytes];
int j;
for (; i < m_totalBytes; i += j) {
try {
m_request.getInputStream();
j = m_request.getInputStream().read(m_binArray, i,
m_totalBytes - i);
} catch (Exception exception) {
throw new SmartUploadException("Unable to upload.");
}
}
for (; !flag1 && m_currentIndex < m_totalBytes; m_currentIndex++) {
if (m_binArray[m_currentIndex] == 13) {
flag1 = true;
} else {
m_boundary = m_boundary + (char) m_binArray[m_currentIndex];
}
}
if (m_currentIndex == 1) {
return;
}
for (m_currentIndex++; m_currentIndex < m_totalBytes;
m_currentIndex = m_currentIndex + 2) {
String s1 = getDataHeader();
m_currentIndex = m_currentIndex + 2;
boolean flag3 = s1.indexOf("filename") > 0;
String s3 = getDataFieldValue(s1, "name");
if (flag3) {
s6 = getDataFieldValue(s1, "filename");
s4 = getFileName(s6);
s5 = getFileExt(s4);
s7 = getContentType(s1);
s8 = getContentDisp(s1);
s9 = getTypeMIME(s7);
s10 = getSubTypeMIME(s7);
}
getDataSection();
if (flag3 && s4.length() > 0) {
if (m_deniedFilesList.contains(s5)) {
throw new SecurityException("對不起,只允許上傳JPG格式的圖片!");
}
if (!m_allowedFilesList.isEmpty() &&
!m_allowedFilesList.contains(s5)) {
throw new SecurityException(
"只對不起,允許上傳JPG格式的圖片!");
}
if (m_maxFileSize > 0L &&
(long) ((m_endData - m_startData) + 1) > m_maxFileSize) {
throw new SecurityException(
"Size exceeded for this file : " + s4 + " (1105).");
}
l += (m_endData - m_startData) + 1;
if (m_totalMaxFileSize > 0L && l > m_totalMaxFileSize) {
throw new SecurityException(
"Total File Size exceeded (1110).");
}
}
if (flag3) {
SmartFile file = new SmartFile();
file.setParent(this);
file.setFieldName(s3);
file.setFileName(s4);
file.setFileExt(s5);
file.setFilePathName(s6);
file.setIsMissing(s6.length() == 0);
file.setContentType(s7);
file.setContentDisp(s8);
file.setTypeMIME(s9);
file.setSubTypeMIME(s10);
if (s7.indexOf("application/x-macbinary") > 0) {
m_startData = m_startData + 128;
}
file.setSize((m_endData - m_startData) + 1);
file.setStartData(m_startData);
file.setEndData(m_endData);
m_files.addFile(file);
} else {
String s11 = new String(m_binArray, m_startData,
(m_endData - m_startData) + 1, "UTF-8");
m_formRequest.putParameter(s3, s11);
}
if ((char) m_binArray[m_currentIndex + 1] == '-') {
break;
}
}
}
public int save(String s) throws ServletException, IOException,
SmartUploadException {
return save(s, 0);
}
public int save(String s, int i) throws ServletException, IOException,
SmartUploadException {
int j = 0;
if (s == null) {
s = m_application.getRealPath("/");
//System.out.println("s == null,m_application.getRealPath:" + s);
}
if (s.indexOf("/") != -1) {
if (s.charAt(s.length() - 1) != '/') {
s = s + "/";
//System.out.println("m_application.getRealPath::" + s);
}
} else {
if (s.charAt(s.length() - 1) != '\\') {
s = s + "\\";
//System.out.println("m_application.getRealPath" + s);
}
}
//System.out.println("m_application.getRealPath:::" + s);
FileNames = new String[m_files.getCount()];
for (int k = 0; k < m_files.getCount(); k++) {
if (!m_files.getFile(k).isMissing()) {
//System.out.println("s + m_files.getFile(k).getFileName():" + s + m_files.getFile(k).getFileName());
String fileName = new SimpleDateFormat("yyyyMMddHHmmss").format(new
java.sql.Date(System.currentTimeMillis()));
fileName += "." + m_files.getFile(k).getFileExt();
m_files.getFile(k).saveAs(s + fileName,
i);
FileNames[j] = s + fileName;
j++;
}
}
return j;
}
//Add
private String[] FileNames;
public String[] getFileNames() {
//Method may expose internal representation by returning array
//Returning an array value stored in one of the object's fields exposes the internal representation of the object.? For classes shared by other untrusted classes, this could potentially be a security issue.? Returning a new copy of the array is better approach in many situations.
String[] vFileNames = new String[FileNames.length];
System.arraycopy(FileNames, 0, vFileNames, 0, FileNames.length);
return vFileNames;
}
public int getSize() {
return m_totalBytes;
}
public byte getBinaryData(int i) {
byte byte0;
try {
byte0 = m_binArray[i];
} catch (Exception exception) {
throw new ArrayIndexOutOfBoundsException(
"Index out of range (1005).");
}
return byte0;
}
public SmartFiles getFiles() {
return m_files;
}
public SmartRequest getRequest() {
return m_formRequest;
}
public void downloadFile(String s) throws ServletException, IOException,
SmartUploadException {
downloadFile(s, null, null);
}
public void downloadFile(String s, String s1) throws ServletException,
IOException, SmartUploadException, SmartUploadException {
downloadFile(s, s1, null);
}
public void downloadFile(String s, String s1, String s2) throws
ServletException, IOException, SmartUploadException {
downloadFile(s, s1, s2, 65000);
}
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=" +
getFileName(s));
} else {
if (s2.length() == 0) {
m_response.setHeader("Content-Disposition",
m_contentDisposition);
} else {
m_response.setHeader("Content-Disposition",
m_contentDisposition + " filename=" + s2);
}
} while ((long) k < l) {
int j = fileinputstream.read(abyte0, 0, i);
k += j;
m_response.getOutputStream().write(abyte0, 0, j);
}
fileinputstream.close();
}
public void downloadField(ResultSet resultset, String s, String s1,
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -