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请问,原本在windows下正常上传文件但在Linux系统下就不行

时间:2016-11-29 10:04:58 来源:互联网 作者: 神秘的大神 字体:

请教,原本在windows下正常上传文件但在Linux系统下就不行
<%@   page   contentType= "text/html;   charset=GBK "   %>
<%@   page   import= "java.io.* "%>
<%@   page   import= "java.util.* "%>
<%@   page   import= "javax.servlet.* "%>
<%@   page   import= "javax.servlet.http.* "%>
<html> <head> <title> upFile </title> </head>
<body   bgcolor= "#ffffff ">
<%
//定义上载文件的最大字节
int   MAX_SIZE   =   102400   *   102400;
//   创建根路径的保存变量
String   rootPath;
//声明文件读入类
DataInputStream   in   =   null;
FileOutputStream   fileOut   =   null;
//取得客户端的网络地址
String   remoteAddr   =   request.getRemoteAddr();

//获得服务器的名字
String   serverName   =   request.getServerName();
out.print( "serverName= "+serverName+ " <br> ");

//取得jsp文件相对与根地址的地址
out.print( "request.getServletPath()= "+request.getServletPath()+ " <br> ");

//取得互联网程序的绝对地址
String   realPath   =   request.getRealPath(serverName);
out.println( "request.getRealPath(serverName)= "+realPath+ " <br> ");

realPath   =   realPath.substring(0,realPath.lastIndexOf( "\\ "));
out.print( "realPath= "+realPath+ " <br> ");

//创建文件的保存目录
//rootPath   =   realPath   +   "\\upload\\ ";
rootPath   =   realPath   +   "\\upload\\ "   +   request.getParameter( "folderName ")   +   "\\ ";
out.println( "文件的保存目录= "+rootPath);

//取得客户端上传的数据类型
String   contentType   =   request.getContentType();
out.println( " <p> 客户端上传的数据类型   =   "   +   contentType   +   " </p> ");
try{
if(contentType.indexOf( "multipart/form-data ")   > =   0){
//读入上传的数据
in   =   new   DataInputStream(request.getInputStream());
int   formDataLength   =   request.getContentLength();
if(formDataLength   >   MAX_SIZE){
out.println( " <P> 上传的文件字节数不可以超过 "   +   MAX_SIZE   +   " </p> ");
return;
}
//保存上传文件的数据
byte   dataBytes[]   =   new   byte[formDataLength];
int   byteRead   =   0;
int   totalBytesRead   =   0;
//上传的数据保存在byte数组
while(totalBytesRead   <   formDataLength){
byteRead   =   in.read(dataBytes,totalBytesRead,formDataLength);
totalBytesRead   +=   byteRead;
}
//根据byte数组创建字符串
String   file   =   new   String(dataBytes);
//out.println(file);
//取得上传的数据的文件名
String   saveFile   =   file.substring(file.indexOf( "filename=\ " ")   +   10);
saveFile   =   saveFile.substring(0,saveFile.indexOf( "\n "));
saveFile   =   saveFile.substring(saveFile.lastIndexOf( "\\ ")   +   1,saveFile.indexOf( "\ " "));
int   lastIndex   =   contentType.lastIndexOf( "= ");
//取得数据的分隔字符串
String   boundary   =   contentType.substring(lastIndex   +   1,contentType.length());
//创建保存路径的文件名
String   fileName   =   rootPath   +   saveFile;
//String   fileName   =   rootPath   +   request.getParameter( "fileName ");