package?com.java.controller;

import?java.io.BufferedInputStream;
import?java.io.BufferedOutputStream;
import?java.io.File;
import?java.io.FileInputStream;
import?java.net.URLEncoder;
import?java.util.List;

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

import?org.springframework.beans.factory.annotation.Autowired;
import?org.springframework.stereotype.Controller;
import?org.springframework.web.bind.annotation.PathVariable;
import?org.springframework.web.bind.annotation.RequestMapping;
import?org.springframework.web.bind.annotation.RequestParam;
import?org.springframework.web.multipart.MultipartFile;
import?org.springframework.web.servlet.ModelAndView;

/***
?*?文件上傳控制類
?*?@author?swinglife
?*
?*/
@Controller
@RequestMapping（“/files“）
public?class?FileUploadController?{
	//通過Spring的autowired注解獲取spring默認配置的request
	@Autowired
	private?HttpServletRequest?request;
	

	?@RequestMapping（“/download/{fileName:.+}“）
	?public?void?download（@PathVariable?String?fileNameString?fileOldName?HttpServletRequest?request?HttpServletResponse?response）?throws?Exception?{
???????????BufferedInputStream?bis?=?null;
			BufferedOutputStream?bos?=?null;??
			//獲取下載文件露肩???????轉碼方法???.getBytes（“iso-8859-1“）?“utf-8“
			String?downLoadPath?=?request.getSession（）.getServletContext（）.getRealPath（“/“）?+?“upload\\“+?new?String（fileName）;?
			//獲取文件的長度??
			long?fileLength?=?new?File（downLoadPath）.length（）;??
			//設置文件輸出類型??
			response.setCharacterEncoding（“utf-8“）;??
	????????response.setContentType（“multipart/form-data“）;?
			response.setHeader（“Content-disposition“?“attachment;?filename=“
			????????+?URLEncoder.encode（fileOldName?“UTF-8“））;
			//設置輸出長度
			response.setHeader（“Content-Length“?String.valueOf（fileLength））;??
			//獲取輸入流??
			bis?=?new?BufferedInputStream（new?FileInputStream（downLoadPath））;
			//輸出流??
			bos?=?new?BufferedOutputStream（response.getOutputStream（））;??
			byte[]?buff?=?new?byte[2048];??
			int?bytesRead;??
			while?（-1?!=?（bytesRead?=?bis.read（buff?0?buff.length）））{??
			????bos.write（buff?0?bytesRead）;??
			}
			//關閉流
			bis.close（）;??
			bos.close（）;
	}?
	/***
	?*?上傳文件?用@RequestParam注解來指定表單上的file為MultipartFile
	?*?
	?*?@param?file
	?*?@return
	?*/
	@RequestMapping（“fileUpload“）
	public?String?fileUpload（@RequestParam（“file“）?MultipartFile?file）?{
		//?判斷文件是否為空
		if?（!file.isEmpty（））?{
			try?{
				//?文件保存路徑
				String?filePath?=?request.getSession（）.getServletContext（）.getRealPath（“/“）?+?“upload/“
						+?file.getOriginalFilename（）;
				//?轉存文件
				file.transferTo（new?File（filePath））;
			}?catch?（Exception?e）?{
				e.printStackTrace（）;
			}
		}
		//?重定向
		return?“redirect:/filesUpload.jsp“;
	}

	/***
	?*?讀取上傳文件中得所有文件并返回
	?*?
	?*?@return
	?*/
	@RequestMapping（“list“）
	public?ModelAndView?list（）?{
		String?filePath?=?request.getSession（）.getServletContext（）.getRealPath（“/“）?+?“upload/“;
		ModelAndView?mav?=?new?ModelAndView（“list“）;
		File?uploadDest?=?new?File（filePath）;
		String[]?fileNames?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????738??2017-11-16?14:42??ssm?Maven?Webapp\.classpath
?????文件?????????316??2017-11-16?14:42??ssm?Maven?Webapp\.mymetadata
?????文件????????1922??2017-02-17?11:36??ssm?Maven?Webapp\.project
?????文件?????????508??2017-02-15?18:03??ssm?Maven?Webapp\.settings\.jsdtscope
?????文件?????????246??2017-11-15?16:48??ssm?Maven?Webapp\.settings\com.genuitec.eclipse.core.prefs
?????文件??????????56??2017-02-17?11:36??ssm?Maven?Webapp\.settings\com.genuitec.eclipse.j2eedt.core.prefs
?????文件?????????430??2017-02-25?11:24??ssm?Maven?Webapp\.settings\org.eclipse.jdt.core.prefs
?????文件??????????90??2017-02-25?14:16??ssm?Maven?Webapp\.settings\org.eclipse.m2e.core.prefs
?????文件?????????578??2017-11-16?14:42??ssm?Maven?Webapp\.settings\org.eclipse.wst.common.component
?????文件?????????252??2017-02-25?14:16??ssm?Maven?Webapp\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2017-02-15?18:03??ssm?Maven?Webapp\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2017-02-15?18:03??ssm?Maven?Webapp\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件????????5166??2017-02-16?08:28??ssm?Maven?Webapp\pom.xml
?????文件????????3242??2017-11-16?11:24??ssm?Maven?Webapp\src\main\java\com\java\controller\FileUploadController.java
?????目錄???????????0??2017-11-16?14:45??ssm?Maven?Webapp\src\main\java\com\java\dao\
?????目錄???????????0??2017-11-16?14:45??ssm?Maven?Webapp\src\main\java\com\java\mapping\
?????目錄???????????0??2017-11-16?14:45??ssm?Maven?Webapp\src\main\java\com\java\model\
?????目錄???????????0??2017-11-16?14:45??ssm?Maven?Webapp\src\main\java\com\java\service\iml\
?????文件????????1000??2017-02-28?14:14??ssm?Maven?Webapp\src\main\java\com\javen\util\HandlerInterceptor.java
?????文件????????1938??2017-02-27?11:26??ssm?Maven?Webapp\src\main\java\com\javen\util\PageAssitant.java
?????文件?????????415??2017-02-17?11:32??ssm?Maven?Webapp\src\main\java\com\javen\util\StringTool.java
?????文件????????1780??2017-03-08?16:22??ssm?Maven?Webapp\src\main\resources\generatorConfig.xml
?????文件?????????446??2017-02-16?15:35??ssm?Maven?Webapp\src\main\resources\jdbc.properties
?????文件????????1222??2017-02-15?18:04??ssm?Maven?Webapp\src\main\resources\log4j.properties
?????文件????????3515??2017-11-15?15:17??ssm?Maven?Webapp\src\main\resources\spring-mvc.xml
?????文件????????3136??2017-02-16?09:21??ssm?Maven?Webapp\src\main\resources\spring-mybatis.xml
?????文件??????????39??2017-02-15?18:03??ssm?Maven?Webapp\src\main\webapp\meta-INF\MANIFEST.MF
?????文件????????1671??2017-02-16?17:04??ssm?Maven?Webapp\src\main\webapp\WEB-INF\classes\com\java\controller\UserController.class
?????文件?????????383??2017-02-16?17:04??ssm?Maven?Webapp\src\main\webapp\WEB-INF\classes\com\java\dao\UsermMapper.class
?????文件????????2115??2017-02-15?18:32??ssm?Maven?Webapp\src\main\webapp\WEB-INF\classes\com\java\mapping\UsermMapper.xml
?????文件?????????888??2017-02-16?17:04??ssm?Maven?Webapp\src\main\webapp\WEB-INF\classes\com\java\model\Userm.class
............此處省略41個文件信息