请高手帮小弟我看看错在哪儿
请高手帮我看看错在哪儿？
<%@ page contentType= "text/html;charset=GB2312 " %>
<%@ page import = "java.io.* " %>
<%!
public String codeToString(String str)
{ String s=str;
try
{
byte tempB[]=s.getBytes( "ISO-8859-1 ");
s=new String(tempB);
return s;
}
catch(Exception e)
{
return s;
}
}
%>
<HTML>
<head>
<title> 接收上传的文件 </title>
</head>
<BODY>
<%
String tempFileName=new String( "tempFileName1 ");
File tempFile1=new File( "D:/ ",tempFileName);
FileOutputStream outputFile1=new FileOutputStream(tempFile1);
InputStream fileSource1=request.getInputStream();
byte b[]=new byte[1000];
int n;
while((n=fileSource1.read(b))!=-1)
outputFile1.write(b,0,n);
outputFile1.close();
fileSource1.close();
RandomAccessFile randomFile1=new RandomAccessFile(tempFile1, "r ");
randomFile1.readLine();
String FilePath=randomFile1.readLine();
int position=FilePath.lastIndexOf( '\\ ');
String fileName=codeToString(FilePath.substring(position+1,FilePath.length()-1));
randomFile1.seek(0);
long forthEnterPosition=0;
int forth=1;
while((n=randomFile1.readByte())!=-1&&(forth <=4))
if(n== '\n ')
{
forthEnterPosition=randomFile1.getFilePointer();
forth++;
}
File FileUploadDir=new File( "d:/tomcat4/webapps/root/ ", "upload ");
FileUploadDir.mkdir();
File saveFile1=new File( "d:/tomcat4/webapps/root/upload/ ",fileName);
RandomAccessFile randomFile2=new RandomAccessFile(saveFile1, "rw ");
randomFile1.seek(randomFile1.length());
long endPosition=randomFile1.getFilePointer();
int j=1;
while((endPosition> =0)&&(j <=4))
{
endPosition--;
randomFile1.seek(endPosition);
if(randomFile1.readByte()== '\n ')
j++;
}
randomFile1.seek(forthEnterPosition);
long startPoint=randomFile1.getFilePointer();
while(startPoint <endPosition-1)
{
randomFile2.write(randomFile1.readByte());
startPoint=randomFile1.getFilePointer();
}
randomFile2.close();
randomFile1.close();
tempFile1.delete();
out.print( "文件 "+fileName+ "已成功上传! <br> ");
<%@ page contentType= "text/html;charset=GB2312 " %>
<%@ page import = "java.io.* " %>
<%!
public String codeToString(String str)
{ String s=str;
try
{
byte tempB[]=s.getBytes( "ISO-8859-1 ");
s=new String(tempB);
return s;
}
catch(Exception e)
{
return s;
}
}
%>
<HTML>
<head>
<title> 接收上传的文件 </title>
</head>
<BODY>
<%
String tempFileName=new String( "tempFileName1 ");
File tempFile1=new File( "D:/ ",tempFileName);
FileOutputStream outputFile1=new FileOutputStream(tempFile1);
InputStream fileSource1=request.getInputStream();
byte b[]=new byte[1000];
int n;
while((n=fileSource1.read(b))!=-1)
outputFile1.write(b,0,n);
outputFile1.close();
fileSource1.close();
RandomAccessFile randomFile1=new RandomAccessFile(tempFile1, "r ");
randomFile1.readLine();
String FilePath=randomFile1.readLine();
int position=FilePath.lastIndexOf( '\\ ');
String fileName=codeToString(FilePath.substring(position+1,FilePath.length()-1));
randomFile1.seek(0);
long forthEnterPosition=0;
int forth=1;
while((n=randomFile1.readByte())!=-1&&(forth <=4))
if(n== '\n ')
{
forthEnterPosition=randomFile1.getFilePointer();
forth++;
}
File FileUploadDir=new File( "d:/tomcat4/webapps/root/ ", "upload ");
FileUploadDir.mkdir();
File saveFile1=new File( "d:/tomcat4/webapps/root/upload/ ",fileName);
RandomAccessFile randomFile2=new RandomAccessFile(saveFile1, "rw ");
randomFile1.seek(randomFile1.length());
long endPosition=randomFile1.getFilePointer();
int j=1;
while((endPosition> =0)&&(j <=4))
{
endPosition--;
randomFile1.seek(endPosition);
if(randomFile1.readByte()== '\n ')
j++;
}
randomFile1.seek(forthEnterPosition);
long startPoint=randomFile1.getFilePointer();
while(startPoint <endPosition-1)
{
randomFile2.write(randomFile1.readByte());
startPoint=randomFile1.getFilePointer();
}
randomFile2.close();
randomFile1.close();
tempFile1.delete();
out.print( "文件 "+fileName+ "已成功上传! <br> ");