package com.util;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Vector;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.PageContext;
public class SmartUpload
{
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(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)
{
long now=new java.util.Date().getTime();
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 = now+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("The extension of the file is denied to be uploaded (1015).");
}
if(!m_allowedFilesList.isEmpty() && !m_allowedFilesList.contains(s5))
{
throw new SecurityException("The extension of the file is not allowed to be uploaded (1010).");
}
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);
m_formRequest.putParameter(s3,s11);
}
if((char)m_binArray[m_currentIndex + 1] == '-')
{
break;
}
}
}
p
没有合适的资源?快使用搜索试试~ 我知道了~
温馨提示
旨在通过现代信息技术手段优化传统食堂管理模式,提升用户体验与运营效率。系统采用Java作为后端开发语言,结合Spring Boot框架构建RESTful API,确保高效、稳定的数据交互。前端则可采用Vue.js、React等现代JavaScript框架进行开发,实现响应式网页设计,兼容多终端访问。 项目功能丰富,涵盖了用户注册登录、菜单浏览、在线点餐、订单管理、支付结算、评价反馈等核心模块。用户可轻松浏览每日菜单,根据个人口味偏好选择菜品并下单,支持多种支付方式完成交易。管理员后台则提供了菜品管理、库存监控、订单处理、用户信息维护等功能,助力食堂管理者实现精细化管理。 此外,项目还注重数据安全与性能优化,通过数据库索引、缓存技术、SQL优化等手段提升查询效率;采用HTTPS协议、数据加密、访问控制等安全措施保护用户数据安全。源码结构清晰,注释详尽,便于学习者快速上手并进行二次开发。 本项目不仅适用于高校、企业等食堂场景,还可作为JAVA WEB开发、前后端分离架构实践的优秀案例,为相关专业的毕业设计、课程设计提供有力支持。
资源推荐
资源详情
资源评论
收起资源包目录
毕业设计JAVA WEB学生在线点餐平台项目源码.zip (723个子文件)
class_upload.asp 6KB
class_upload.asp 6KB
commands.asp 5KB
upload.asp 3KB
connector.asp 3KB
io.asp 2KB
basexml.asp 2KB
config.asp 2KB
config.asp 2KB
util.asp 1KB
io.asp 836B
connector.aspx 1KB
upload.aspx 1KB
DBO.java.bak 3KB
DBO.java.bak 3KB
connector.cfm 11KB
spellchecker.cfm 6KB
upload.cfm 6KB
config.cfm 3KB
config.cfm 3KB
connector.cgi 4KB
SmartUpload.class 16KB
MemberBean.class 13KB
AfficheBean.class 12KB
MemberManageBean.class 12KB
NewsBean.class 11KB
HzpBean.class 10KB
GuestBookBean.class 9KB
NewsServlet.class 8KB
NewsAction.class 7KB
AdminBean.class 7KB
MemberAction.class 7KB
AdminAction.class 6KB
SmartFile.class 6KB
GuestBookAction.class 5KB
MemberManageAction.class 4KB
AfficheAction.class 4KB
LoginAction.class 4KB
CommonAction.class 4KB
FriendLinkBean.class 3KB
HzpAction.class 3KB
DBO.class 3KB
HzpsAction.class 3KB
DBO.class 2KB
SystemBean.class 2KB
Common.class 2KB
SmartRequest.class 2KB
SmartFiles.class 2KB
Log.class 1KB
MD5.class 1KB
Filter.class 936B
CheckCode.class 887B
Constant.class 674B
SmartUploadException.class 364B
.classpath 1KB
org.eclipse.wst.jsdt.ui.superType.container 49B
css.css 10KB
fck_editor.css 8KB
fck_editor.css 8KB
fck_editor.css 8KB
Admin_Style.css 6KB
Admin_Style.css 6KB
style.css 4KB
style.css 4KB
fck_internal.css 2KB
fck_dialog.css 2KB
fck_dialog.css 2KB
fck_dialog.css 2KB
fck_editorarea.css 2KB
browser.css 2KB
fck_dialog_common.css 2KB
fck_showtableborders_gecko.css 1KB
spellerStyle.css 888B
default.css 463B
abcd.gif 39KB
abc.gif 30KB
MainBg.gif 25KB
MainBg.gif 25KB
fck_strip.gif 9KB
girl.gif 7KB
boy.gif 6KB
fck_strip.gif 4KB
fck_strip.gif 4KB
5.gif 4KB
4.gif 3KB
8.gif 3KB
11.gif 2KB
Key.gif 2KB
logo_fckeditor.gif 2KB
6.gif 2KB
10.gif 2KB
7.gif 2KB
zhuce.gif 2KB
Title.gif 2KB
1.gif 2KB
qq_22.gif 2KB
qq_22.gif 2KB
Title.gif 2KB
htm.gif 1KB
html.gif 1KB
共 723 条
- 1
- 2
- 3
- 4
- 5
- 6
- 8
资源评论
小俊学长
- 粉丝: 3053
- 资源: 433
上传资源 快速赚钱
- 我的内容管理 展开
- 我的资源 快来上传第一个资源
- 我的收益 登录查看自己的收益
- 我的积分 登录查看自己的积分
- 我的C币 登录后查看C币余额
- 我的收藏
- 我的下载
- 下载帮助
最新资源
资源上传下载、课程学习等过程中有任何疑问或建议,欢迎提出宝贵意见哦~我们会及时处理!
点击此处反馈
安全验证
文档复制为VIP权益,开通VIP直接复制
信息提交成功