package?com.upload.demo;

import?java.io.BufferedReader;
import?java.io.File;
import?java.io.FileOutputStream;
import?java.io.IOException;
import?java.io.InputStream;
import?java.io.InputStreamReader;
import?java.util.ArrayList;
import?java.util.Date;
import?java.util.HashMap;
import?java.util.List;
import?java.util.Map;
import?java.util.Properties;
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.disk.DiskFileItemFactory;
import?org.apache.commons.fileupload.servlet.ServletFileUpload;

import?com.lidroid.xutils.http.RequestParams;


public?class?UploadServlet?extends?HttpServlet{

	@Override
	protected?void?doGet（HttpServletRequest?req?HttpServletResponse?resp）
			throws?ServletException?IOException?{
		doPost（req?resp）;
	};

	@Override
	protected?void?doPost（HttpServletRequest?request
			HttpServletResponse?response）?throws?ServletException?IOException?{
		//服務器端接收請求被后臺攔截到這里
		exeUploadedInfos（request?response）;
		
	};

	/**
	?*??定義接口
	?*/
	public?interface?UploadStatusListener?{
		public?void?status（boolean?status?Map?params
				List?files?HttpServletRequest?request）;
	}
	UploadStatusListener?mUploadStatusListener?=?null;
	//?注冊監聽器，如果這里沒有使用Vector而是使用ArrayList那么要注意同步問題
	public?void?addStatusListener（UploadStatusListener?listener）?{
		mUploadStatusListener?=?listener;
	}

	/**
	?*?@function：回調方法，執行圖片上傳，根據成功或失敗的狀態完成其他的操作
	?*?@param?request
	?*?@param?response
	?*/
	private?void?exeUploadedInfos（HttpServletRequest?request
			HttpServletResponse?response）?{
		UploadServlet?up?=?new?UploadServlet（）;
		up.addStatusListener（new?UploadStatusListener（）?{
			public?void?status（boolean?status?Map?params
					List?files?HttpServletRequest?request）?{
				if?（status）?{//成功
					//Map中取值
					String?memberId?=?params.get（“memberId“）;
					//List中取值
					String?fileUrl?=?files.get（0）;
					System.out.println（“===================================成功“）;
				}?else?{
					//失敗
					System.out.println（“========================================失敗“）;
				}
			}
		}）;
		up.upload（request?response）;

	}
	
	/**
	?*?@function：具體上傳圖片的功能在這里完成，
	?*?然后調用接口回調方法mUploadStatusListener.status（flag?params?filenames??request）;跳轉到回調函數中
	?*?@param?request
	?*?@param?response
	?*/
	public?void?upload（HttpServletRequest?request?HttpServletResponse?response）?{
		boolean?flag?=?false;
		Map?params?=?new?HashMap（）;
		List?filenames?=?new?ArrayList（）;
		try?{
			System.out.println（“開始文件上傳****************“）;
			request.setCharacterEncoding（“utf-8“）;?//?設置編碼
			//?設置上傳文件最大為?3M
????????????final?long?MAX_SIZE?=?3?*?1024?*?1024;
			//?1.創建一個解析器工廠
			DiskFile

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

?????文件???????1168??2015-12-01?09:49??UploadDemo\.classpath

?????文件???????1043??2015-11-23?12:24??UploadDemo\.project

?????文件????????503??2015-11-23?12:24??UploadDemo\.settings\.jsdtscope

?????文件????????364??2015-11-23?12:24??UploadDemo\.settings\org.eclipse.jdt.core.prefs

?????文件????????484??2015-11-23?12:24??UploadDemo\.settings\org.eclipse.wst.common.component

?????文件????????345??2015-11-23?12:24??UploadDemo\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2015-11-23?12:24??UploadDemo\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2015-11-23?12:24??UploadDemo\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????1840??2015-12-01?10:10??UploadDemo\build\classes\com\upload\demo\UploadServlet$1.class

?????文件????????482??2015-12-01?10:10??UploadDemo\build\classes\com\upload\demo\UploadServlet$UploadStatusListener.class

?????文件???????5994??2015-12-01?10:10??UploadDemo\build\classes\com\upload\demo\UploadServlet.class

?????文件???????5535??2015-12-01?10:10??UploadDemo\src\com\upload\demo\UploadServlet.java

?????文件?????????39??2015-11-23?12:24??UploadDemo\WebContent\meta-INF\MANIFEST.MF

?????文件????????886??2015-11-24?09:26??UploadDemo\WebContent\upload.jsp

?????文件??????57779??2015-05-31?17:45??UploadDemo\WebContent\WEB-INF\lib\commons-fileupload-1.2.1.jar

?????文件??????65621??2015-11-27?14:15??UploadDemo\WebContent\WEB-INF\lib\commons-io-1.2.jar

?????文件?????321639??2015-06-03?15:03??UploadDemo\WebContent\WEB-INF\lib\httpcore-4.4.jar

?????文件?????283561??2015-10-08?15:22??UploadDemo\WebContent\WEB-INF\lib\xUtils-2.6.14.jar

?????文件????????922??2015-11-23?12:40??UploadDemo\WebContent\WEB-INF\web.xml

?????目錄??????????0??2015-12-01?09:49??UploadDemo\build\classes\com\upload\demo

?????目錄??????????0??2015-12-01?09:49??UploadDemo\build\classes\com\upload

?????目錄??????????0??2015-11-23?12:40??UploadDemo\src\com\upload\demo

?????目錄??????????0??2015-12-01?09:49??UploadDemo\build\classes\com

?????目錄??????????0??2015-11-23?12:40??UploadDemo\src\com\upload

?????目錄??????????0??2015-12-01?09:48??UploadDemo\WebContent\WEB-INF\lib

?????目錄??????????0??2015-12-01?09:49??UploadDemo\build\classes

?????目錄??????????0??2015-11-23?12:40??UploadDemo\src\com

?????目錄??????????0??2015-11-23?12:24??UploadDemo\WebContent\meta-INF

?????目錄??????????0??2015-11-24?09:22??UploadDemo\WebContent\WEB-INF

?????目錄??????????0??2015-11-23?12:24??UploadDemo\.settings

............此處省略7個文件信息