Jsp 使用“浏览”按钮将excel文件上载到oracle数据库
我正在将excel文件上载到数据库中。当我不使用browse直接给出文件路径时，代码运行良好 但当我通过浏览按钮上传excel文件时，它会显示Jsp 使用“浏览”按钮将excel文件上载到oracle数据库,jsp,servlets,Jsp,Servlets,我正在将excel文件上载到数据库中。当我不使用browse直接给出文件路径时，代码运行良好 但当我通过浏览按钮上传excel文件时，它会显示 filenotfoundexception:(access is denied) <%@page import="org.apache.poi.ss.usermodel.Cell"%> <%@page import="org.apache.poi.ss.usermodel.Row"%> <%@page language
filenotfoundexception:(access is denied)
<%@page import="org.apache.poi.ss.usermodel.Cell"%>
<%@page import="org.apache.poi.ss.usermodel.Row"%>
<%@page language="java" import="java.sql.*" contentType="text/html" pageEncoding="UTF-8" %>
<%@ page import ="java.util.Date" %>
<%@ page import ="java.io.*" %>
<%@ page import ="java.io.FileNotFoundException" %>
<%@ page import ="java.io.IOException" %>
<%@ page import ="java.util.Iterator" %>
<%@ page import ="java.util.ArrayList" %>
<%@ page import ="org.apache.poi.hssf.usermodel.HSSFCell" %>
<%@ page import ="org.apache.poi.hssf.usermodel.HSSFRow" %><%@ page import ="org.apache.poi.hssf.usermodel.HSSFSheet" %>
<%@ page import ="org.apache.poi.hssf.usermodel.HSSFWorkbook" %>
<%@ page import ="org.apache.poi.poifs.filesystem.POIFSFileSystem" %>
<html>
<head>
<title>Excel File Uploading</title>
</head>
<body>
<jsp:useBean id="connection" class="pk1.DB_Connection" scope="application">
<jsp:setProperty name="connection" property="*"/>
</jsp:useBean>
<%!
Connection con;
PreparedStatement ps=null;
public static ArrayList readExcelFile(String fileName)
{
/** --Define a ArrayList
--Holds ArrayList Of Cells
*/
ArrayList cellArrayLisstHolder = new ArrayList();
try{
/** Creating Input Stream**/
FileInputStream myInput = new FileInputStream(fileName);
/** Create a POIFSFileSystem object**/
POIFSFileSystem myFileSystem = new POIFSFileSystem(myInput);
/** Create a workbook using the File System**/
HSSFWorkbook myWorkBook = new HSSFWorkbook(myFileSystem);
/** Get the first sheet from workbook**/
HSSFSheet mySheet = myWorkBook.getSheetAt(0);
/** We now need something to iterate through the cells.**/
Iterator rowIter = mySheet.rowIterator();
while(rowIter.hasNext())
{
HSSFRow myRow = (HSSFRow) rowIter.next();
Iterator cellIter = myRow.cellIterator();
ArrayList cellStoreArrayList=new ArrayList();
while(cellIter.hasNext())
{
HSSFCell myCell = (HSSFCell) cellIter.next();
cellStoreArrayList.add(myCell);
}
cellArrayLisstHolder.add(cellStoreArrayList);
}
}
catch (Exception e){e.printStackTrace(); }
return cellArrayLisstHolder;
}
%>
<%
String contentType = request.getContentType();
if ((contentType != null) && (contentType.indexOf("multipart/form-data") >= 0))
{
DataInputStream in = new DataInputStream(request.getInputStream());
int formDataLength = request.getContentLength();
byte dataBytes[] = new byte[formDataLength];
int byteRead = 0;
int totalBytesRead = 0;
while (totalBytesRead < formDataLength)
{
byteRead = in.read(dataBytes, totalBytesRead,formDataLength);
totalBytesRead += byteRead;
}
String file = new String(dataBytes);
String saveFile = file.substring(file.indexOf("filename=\"") + 10);
saveFile = saveFile.substring(0, saveFile.indexOf("\n"));
saveFile = saveFile.substring(saveFile.lastIndexOf("\\") + 1,saveFile.indexOf("\""));
out.println(saveFile);
int lastIndex = contentType.lastIndexOf("=");
String boundary = contentType.substring(lastIndex + 1,contentType.length());
int pos;
pos = file.indexOf("filename=\"");
pos = file.indexOf("\n", pos) + 1;
pos = file.indexOf("\n", pos) + 1;
pos = file.indexOf("\n", pos) + 1;
int boundaryLocation = file.indexOf(boundary, pos) - 4;
int startPos = ((file.substring(0, pos)).getBytes()).length;
int endPos = ((file.substring(0, boundaryLocation)).getBytes()).length;
FileOutputStream fileOut = new FileOutputStream(saveFile);
fileOut.write(dataBytes, startPos, (endPos - startPos));
fileOut.flush();
fileOut.close();
out.println(saveFile);
filenotfoundexception:（访问被拒绝）
Excel文件上传
= 0))
{
DataInputStream in=新的DataInputStream（request.getInputStream（））；
int formDataLength=request.getContentLength（）；
字节数据字节[]=新字节[formDataLength]；
int byteRead=0；
int totalBytesRead=0；
while（totalBytesRead**Error:**
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: An exception occurred processing JSP page /excel.jsp at line 129
126:
127: int endPos = ((file.substring(0, boundaryLocation)).getBytes()).length;
128:
129: FileOutputStream fileOut = new FileOutputStream(saveFile);
130:
131: fileOut.write(dataBytes, startPos, (endPos - startPos));
132:
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:553)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:447)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)
root cause
java.io.FileNotFoundException: super.xls (Access is denied)
java.io.FileOutputStream.open(Native Method)
java.io.FileOutputStream.<init>(FileOutputStream.java:179)
java.io.FileOutputStream.<init>(FileOutputStream.java:70)
org.apache.jsp.excel_jsp._jspService(excel_jsp.java:208)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:
**错误：**
类型异常报告
消息
说明服务器遇到内部错误（），无法完成此请求。
例外情况
org.apache.jasper.JasperException：在第129行处理JSP页面/excel.JSP时发生异常
126:
127:int-endPos=（（file.substring（0，boundaryLocation））.getBytes（））.length；
128:
129:FileOutputStream fileOut=新的FileOutputStream（保存文件）；
130:
131:fileOut.write（数据字节，startPos，（endPos-startPos））；
132:
堆栈跟踪：
org.apache.jasper.servlet.JspServletWrapper.handleJspException（JspServletWrapper.java:553）
org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:447）
org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:390）
org.apache.jasper.servlet.JspServlet.service（JspServlet.java:333）
javaservlet.http.HttpServlet.service（HttpServlet.java:722）
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter（MonitorFilter.java:393）
根本原因
java.io.FileNotFoundException:super.xls（访问被拒绝）
java.io.FileOutputStream.open（本机方法）
java.io.FileOutputStream。（FileOutputStream.java:179）
FileOutputStream.java.io.FileOutputStream。（FileOutputStream.java:70）
org.apache.jsp.excel\u jsp.\u jsp服务（excel\u jsp.java:208）
org.apache.jasper.runtime.HttpJspBase.service（HttpJspBase.java:70）
javaservlet.http.HttpServlet.service（HttpServlet.java:722）
org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:419）
org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:390）
org.apache.jasper.servlet.JspServlet.service（JspServlet.java:333）
javaservlet.http.HttpServlet.service（HttpServlet.java:722）
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter（MonitorFilter.java:
String strUploadDir=“D:\\uploads\\”；\\n服务器上的有效目录\\您已经在做的其他事情…..FileOutputStream fileOut=newfileoutputstream（struploadder+saveFile）；