package?com.sh.common;

import?java.io.File;
import?java.io.IOException;
import?java.io.PrintWriter;
import?java.text.SimpleDateFormat;
import?java.util.Iterator;
import?java.util.List;
import?java.util.UUID;

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

import?org.apache.commons.fileupload.FileItem;
import?org.apache.commons.fileupload.FileItemFactory;
import?org.apache.commons.fileupload.disk.DiskFileItemFactory;
import?org.apache.commons.fileupload.servlet.ServletFileUpload;

import?com.sun.org.apache.xml.internal.security.exceptions.base64DecodingException;
import?com.sun.org.apache.xml.internal.security.utils.base64;


public?class?FileUploadServlet?extends?HttpServlet?{

	private?static?final?int?UPLOAD_SUCCSSS=0;????//?“上傳文件成功！“?
	private?static?final?int?UPLOAD_FAILURE=1;????//?“上傳文件失敗！“）?
	private?static?final?int?UPLOAD_TYPE_ERROR=2;?//?“上傳文件類型錯誤！“）?
	private?static?final?int?UPLOAD_OVERSIZE=3;???//?“上傳文件過大！“）
	private?static?final?int?UPLOAD_ZEROSIZE=4;???//?“上傳文件為空！“）
	private?static?final?int?UPLOAD_NOTFOUND=5;???//?“上傳文件路徑錯誤！“）

	
	public?void?doGet（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{

		doPost（requestresponse）;
	}

	public?void?doPost（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{
		
		response.setContentType（“text/html;?charset=UTF-8“）;
		
		PrintWriter?out=response.getWriter（）;
		?String?rootPath?=?request.getParameter（“rootPath“）;??
	
		?String?param?=?request.getParameter（“param“）;
		?
		?if（rootPath?==?null）?rootPath?=?““;??
		????rootPath?=?rootPath.trim（）;??
		?if（rootPath.equals（““））{??
			?rootPath?=?this.getServletContext（）.getRealPath（““）;??
		?}??
		
		?//上傳操作??
		??FileItemFactory?factory?=?new?DiskFileItemFactory（）;??
		??ServletFileUpload?upload?=?new?ServletFileUpload（factory）;??
		??upload.setHeaderEncoding（“UTF-8“）;??
		??try{??
		??????List?items?=?upload.parseRequest（request）;??
		??????if（null?!=?items）{??
		??????????Iterator?itr?=?items.iterator（）;??
		??????????while（itr.hasNext（））{??
		??????????????FileItem?item?=?（FileItem）itr.next（）;
		??????????????if（item.isFormField（））{??
		?????????????????continue;??
		??????????????}else{??
		???????????????????//以當前精確到秒的日期為上傳的文件的文件名??
		??????????????????SimpleDateFormat?sdf=new?SimpleDateFormat（“yyyyMMddkkmmss“）;?
		??????????????????String?path=“/files“;
		??????????????????File?savedFile?=?new?File（rootPath+pathitem.getName（））;??
		??????????????????item.write（savedFile）;?
		??????????????????
		??????????????????out.print（“{status:“+this.UPLOAD_SUCCSSS+“message:‘“+path+“/“+item.getName（）+“‘}“）;
		??????????????}??
		??????????}??
		??????}??
		??}catch（Exception?e）{??
		??????e.printStackTrace（）;??
		??}
			
	}

	?/**?
?????*?ne

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-12-26?18:58??swfupload\
?????文件?????????529??2012-12-13?15:49??swfupload\.classpath
?????目錄???????????0??2012-12-27?14:07??swfupload\.myeclipse\
?????文件?????????300??2012-12-24?19:20??swfupload\.mymetadata
?????文件????????1752??2012-12-13?17:54??swfupload\.project
?????目錄???????????0??2012-12-13?15:49??swfupload\.settings\
?????文件?????????500??2012-12-13?15:49??swfupload\.settings\.jsdtscope
?????文件?????????364??2012-12-13?15:49??swfupload\.settings\org.eclipse.jdt.core.prefs
?????文件?????????465??2012-12-13?15:49??swfupload\.settings\org.eclipse.wst.common.component
?????文件?????????252??2012-12-13?15:49??swfupload\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2012-12-13?15:49??swfupload\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2012-12-13?15:49??swfupload\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2012-12-26?16:06??swfupload\WebRoot\
?????目錄???????????0??2012-12-13?15:49??swfupload\WebRoot\meta-INF\
?????文件??????????36??2012-12-13?15:49??swfupload\WebRoot\meta-INF\MANIFEST.MF
?????目錄???????????0??2012-12-13?15:49??swfupload\WebRoot\WEB-INF\
?????目錄???????????0??2012-12-26?21:18??swfupload\WebRoot\WEB-INF\classes\
?????目錄???????????0??2012-12-26?21:18??swfupload\WebRoot\WEB-INF\classes\com\
?????目錄???????????0??2012-12-26?21:18??swfupload\WebRoot\WEB-INF\classes\com\sh\
?????目錄???????????0??2012-12-26?21:18??swfupload\WebRoot\WEB-INF\classes\com\sh\common\
?????文件????????3978??2012-12-26?21:18??swfupload\WebRoot\WEB-INF\classes\com\sh\common\FileUploadServlet.class
?????目錄???????????0??2012-12-13?15:50??swfupload\WebRoot\WEB-INF\lib\
?????文件???????53082??2012-12-13?15:50??swfupload\WebRoot\WEB-INF\lib\commons-fileupload-1.2.jar
?????文件???????87776??2012-12-13?15:50??swfupload\WebRoot\WEB-INF\lib\commons-io-1.3.2.jar
?????文件????????1088??2012-12-21?14:18??swfupload\WebRoot\WEB-INF\web.xml
?????目錄???????????0??2012-12-26?21:37??swfupload\WebRoot\css\
?????文件????????4201??2012-12-27?00:20??swfupload\WebRoot\css\swfupload-default.css
?????目錄???????????0??2012-12-27?14:07??swfupload\WebRoot\files\
?????目錄???????????0??2012-12-26?16:29??swfupload\WebRoot\images\
?????文件?????????788??2012-12-23?10:36??swfupload\WebRoot\images\background.png
?????文件????????8299??2012-12-23?10:36??swfupload\WebRoot\images\default.png
............此處省略14個文件信息