package?com.servlet;

import?java.io.FileOutputStream;
import?java.io.IOException;
import?java.io.InputStream;
import?java.io.OutputStream;
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.FileUploadException;
import?org.apache.commons.fileupload.disk.DiskFileItemFactory;
import?org.apache.commons.fileupload.servlet.ServletFileUpload;

public?class?FileUpload?extends?HttpServlet?{

	public?void?service（HttpServletRequest?request?HttpServletResponse?response）
	throws?ServletException?IOException?{
	request.setCharacterEncoding（“utf-8“）;
	response.setContentType（“text/html;charset=utf-8“）;
	//圖片上傳判斷是否是二進制
	//建立工廠（文件對象）
	//保存到服務器
	boolean?isMultipart?=?ServletFileUpload.isMultipartContent（request）;
	if（isMultipart）{
		FileItemFactory?factory=new?DiskFileItemFactory（）;
		//創建工具類
		ServletFileUpload?upload=new?ServletFileUpload（factory）;
		try?{
			//?將請求域中的二進制轉換成一個文件
			List?fileitems=upload.parseRequest（request）;
			//獲取輸入流
		???InputStream?in=?fileitems.get（0）.getInputStream（）;
		???//將目錄保存到磁盤目錄
		???String?fileName=UUID.randomUUID（）.toString（）;
		???String?filePath=request.getSession（）.getServletContext（）.getRealPath（“/“）;
		???filePath=filePath+“/photo/“+fileName;
		???request.setAttribute（“path““photo/“+fileName）;
		???OutputStream?out=new?FileOutputStream（filePath）;
		??
		???System.out.println（1）;
		???byte[]?b=new?byte[1024];
		???int?length=0;
		???while（（length=in.read（b））!=-1）{
			???out.write（b0length）;
		???}
		???in.close（）;
		???out.close（）;
		???request.getRequestDispatcher（“show.jsp“）.forward（request?response）;
		}?catch?（FileUploadException?e）?{
			//?TODO?Auto-generated?catch?block
			e.printStackTrace（）;
		}
	}
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-05-19?16:30??face\
?????文件?????????836??2015-07-24?14:10??face\.classpath
?????目錄???????????0??2015-07-24?14:08??face\.myeclipse\
?????文件?????????285??2015-07-24?14:08??face\.mymetadata
?????文件????????1277??2015-07-24?14:39??face\.project
?????目錄???????????0??2016-05-19?16:30??face\.settings\
?????文件?????????119??2015-07-24?16:40??face\.settings\com.genuitec.eclipse.core.prefs
?????目錄???????????0??2016-05-19?16:30??face\src\
?????目錄???????????0??2016-05-19?16:30??face\src\com\
?????目錄???????????0??2016-05-19?16:30??face\src\com\servlet\
?????文件????????2112??2015-07-24?15:49??face\src\com\servlet\FileUpload.java
?????文件????????2138??2015-07-24?14:55??face\src\com\servlet\ImageUpload.java
?????目錄???????????0??2016-05-19?16:30??face\WebRoot\
?????文件????????1232??2015-07-24?15:18??face\WebRoot\index.jsp
?????目錄???????????0??2016-05-19?16:30??face\WebRoot\meta-INF\
?????文件??????????36??2015-07-24?14:08??face\WebRoot\meta-INF\MANIFEST.MF
?????目錄???????????0??2015-07-24?14:21??face\WebRoot\photo\
?????文件????????2883??2015-07-24?16:25??face\WebRoot\show.jsp
?????目錄???????????0??2016-05-19?16:30??face\WebRoot\WEB-INF\
?????目錄???????????0??2016-05-19?16:30??face\WebRoot\WEB-INF\classes\
?????目錄???????????0??2016-05-19?16:30??face\WebRoot\WEB-INF\classes\com\
?????目錄???????????0??2016-05-19?16:30??face\WebRoot\WEB-INF\classes\com\servlet\
?????文件????????3696??2015-07-24?16:41??face\WebRoot\WEB-INF\classes\com\servlet\FileUpload.class
?????文件????????3690??2015-07-24?16:41??face\WebRoot\WEB-INF\classes\com\servlet\ImageUpload.class
?????目錄???????????0??2016-05-19?16:30??face\WebRoot\WEB-INF\lib\
?????文件???????65621??2015-07-24?14:10??face\WebRoot\WEB-INF\lib\commons-io.jar
?????文件???????54080??2015-07-24?14:10??face\WebRoot\WEB-INF\lib\commons.fileupload-1.2.0.jar
?????文件???????43545??2015-07-24?14:10??face\WebRoot\WEB-INF\lib\commons.logging-1.0.4?（1）.jar
?????文件??????458259??2015-07-24?14:10??face\WebRoot\WEB-INF\lib\faceppsdk.jar
?????文件??????585602??2015-07-24?14:10??face\WebRoot\WEB-INF\lib\httpclient-4.3.1.jar
?????文件??????282160??2015-07-24?14:10??face\WebRoot\WEB-INF\lib\httpcore-4.3.jar
............此處省略1個文件信息