/**
?*?
?*/
package?com.test.login;

import?java.io.File;
import?java.io.FileOutputStream;
import?java.io.IOException;
import?java.io.InputStream;
import?java.io.RandomAccessFile;

import?javax.servlet.ServletException;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

import?com.test.util.CodeToString;

/**
?*?@author?Administrator
?*
?*/
public?class?FileUploadServlet?extends?HttpServlet
{
	/**
	?*?
	?*/
	private?static?final?long?serialVersionUID?=?1L;

	public?void?doPost（HttpServletRequest?requestHttpServletResponse?resp）throws?ServletExceptionIOException
	{
		resp.setContentType（“text;html;charset=utf-8“）;
		
		String?tempFileName?=?new?String（“tempFileName“）;??
		//tempfile?對象指向臨時文件??
		File?tempFile?=?new?File（“D:/“+tempFileName）;??
		//outputfile?文件輸出流指向這個臨時文件??
		FileOutputStream?outputStream?=?new?FileOutputStream（tempFile）;??
		//得到客服端提交的所有數據??
		InputStream?fileSourcel?=?request.getInputStream（）;??
		//將得到的客服端數據寫入臨時文件??
		byte?b[]?=?new?byte[1000];??
		int?n?;??
		while?（（n=fileSourcel.read（b））!=-1）{??
		????outputStream.write（b0n）;??
		}
		
		//關閉輸出流和輸入流??
		outputStream.close（）;??
		fileSourcel.close（）;??
		
		
		
		//randomFile對象指向臨時文件??
		RandomAccessFile?randomFile?=?new?RandomAccessFile（tempFile“r“）;??
		//讀取臨時文件的第一行數據??
		randomFile.readLine（）;??
		//讀取臨時文件的第二行數據，這行數據中包含了文件的路徑和文件名??
		String?filePath?=?randomFile.readLine（）;??
		//得到文件名??
		int?position?=?filePath.lastIndexOf（‘\\‘）;??
		String?filename?=?CodeToString.codeString（filePath.substring（positionfilePath.length（）-1））;??
		//重新定位讀取文件指針到文件頭??
		randomFile.seek（0）;??
		//得到第四行回車符的位置，這是上傳文件數據的開始位置??
		long??forthEnterPosition?=?0;??
		int?forth?=?1;??
		while（（n=randomFile.readByte（））!=-1&&（forth<=4））{??
		????if（n==‘\n‘）{??
		????????forthEnterPosition?=?randomFile.getFilePointer（）;??
		????????forth++;??
		????}??
		}??
		??
		//生成上傳文件的目錄??
		File?fileupLoad?=?new?File（“D:/work?space/JSP?workspace/jsp_servlet_upAndLoad/file““upLoad“）;??
		fileupLoad.mkdir（）;??
		//saveFile?對象指向要保存的文件??
		File?saveFile?=?new?File（“D:/work?space/JSP?workspace/jsp_servlet_upAndLoad/file/upLoad“filename）;??
		RandomAccessFile?randomAccessFile?=?new?RandomAccessFile（saveFile“rw“）;??
		//找到上傳文件數據的結束位置，即倒數第四行??
		randomFile.seek（randomFile.length（））;??
		long?endPosition?=?randomFile.getFilePointer（）;??
		int?j?=?1;??
		while（（endPosition>=0）&&（j<=4））{??
		????endPosition--;??
		????randomFile.seek（endPosition）;??
		????if（randomFile.readByte（）==‘\n‘）{??
		????????j++;??
		????}??
		}??
		??
		//從上傳文件數據的開始位置到結束位置，把數據寫入到要保存的文件中??
		randomFile.seek（forthEnterPosition）;??
		long?startPoint?=?randomFile.getFilePointer（）;??
		while（startPoint		????randomAccessFile.write（randomFile.readByte（））;??
		????startPoint?=?randomFile.getFilePointer（）;??
		}??
		//關閉文件輸入、輸出??
		randomAccessFile.close（）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????456??2015-08-19?15:45??jsp\.classpath

?????文件????????282??2017-03-07?16:39??jsp\.mymetadata

?????文件???????1409??2015-08-11?09:24??jsp\.project

?????文件????????500??2015-08-11?09:23??jsp\.settings\.jsdtscope

?????文件????????330??2015-08-11?09:23??jsp\.settings\org.eclipse.jdt.core.prefs

?????文件?????????49??2015-08-11?09:23??jsp\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2015-08-11?09:23??jsp\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????3524??2015-08-13?10:21??jsp\src\com\test\login\FileUploadServlet.java

?????文件???????1169??2015-08-12?09:40??jsp\src\com\test\login\LoginServlet.java

?????文件????????546??2015-08-13?09:59??jsp\src\com\test\util\CodeToString.java

?????文件????????990??2015-08-20?09:45??jsp\WebRoot\css\iconfont.css

?????文件???????5728??2015-08-20?09:45??jsp\WebRoot\css\style.css

?????文件???????7504??2015-08-20?09:45??jsp\WebRoot\font\iconfont.eot

?????文件???????6495??2015-08-20?09:45??jsp\WebRoot\font\iconfont.svg

?????文件???????7220??2015-08-20?09:45??jsp\WebRoot\font\iconfont.ttf

?????文件???????4888??2015-08-20?09:45??jsp\WebRoot\font\iconfont.woff

?????文件??????59883??2015-08-20?09:45??jsp\WebRoot\images\banner.jpg

?????文件??????95700??2015-08-20?09:53??jsp\WebRoot\images\hsj.png

?????文件???????3208??2015-08-20?09:45??jsp\WebRoot\images\loading.gif

?????文件???????5120??2015-08-20?09:45??jsp\WebRoot\images\Thumbs.db

?????文件??????12217??2015-08-20?09:45??jsp\WebRoot\index.html

?????文件????????861??2015-08-12?09:36??jsp\WebRoot\index.jsp

?????文件??????94879??2015-08-20?09:49??jsp\WebRoot\js\jquery-1.7.2.min.js

?????文件???????3752??2015-08-13?10:50??jsp\WebRoot\jsp\accept.jsp

?????文件???????1790??2015-08-13?10:59??jsp\WebRoot\jsp\download.jsp

?????文件????????939??2015-08-13?10:21??jsp\WebRoot\jsp\fileUpload.jsp

?????文件???????1470??2015-08-13?09:21??jsp\WebRoot\jsp\getData.jsp

?????文件??????12213??2015-08-20?10:21??jsp\WebRoot\jsp\login.jsp

?????文件???????2324??2015-08-20?09:35??jsp\WebRoot\jsp\success.jsp

?????文件?????????36??2015-08-11?09:23??jsp\WebRoot\meta-INF\MANIFEST.MF

............此處省略32個文件信息