servlet 编写的文件
文件多文件上传
package upload;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
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.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.fileupload.util.Streams;
/**
* Servlet implementation class UploadAction
*/
public class UploadAction extends HttpServlet {
private static final long serialVersionUID = 1L;
//上传文件的保存路径
protected String configPath = "upload/widget";
protected String dirTemp = "upload/widget/temp";
protected String dirName = "file";
/**
* @see HttpServlet#HttpServlet()
*/
public UploadAction() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doPost(request, response);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
request.setCharacterEncoding("UTF-8");
response.setContentType("text/html; charset=UTF-8");
PrintWriter out = response.getWriter();
//文件保存目录路径
String savePath = "E:/";
//String savePath = this.getServletContext().getRealPath("/") configPath;
// 临时文件目录
String tempPath = this.getServletContext().getRealPath("/") dirTemp;
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMM");
String ymd = sdf.format(new Date());
savePath = "/" ymd "/";
//创建文件夹
File dirFile = new File(savePath);
if (!dirFile.exists()) {
dirFile.mkdirs();
}
tempPath = "/" ymd "/";
//创建临时文件夹
File dirTempFile = new File(tempPath);
if (!dirTempFile.exists()) {
dirTempFile.mkdirs();
}
DiskFileItemFactory factory = new DiskFileItemFactory();
factory.setSizeThreshold(20 * 1024 * 1024); //设定使用内存超过5M时，将产生临时文件并存储于临时目录中。
factory.setRepository(new File(tempPath)); //设定存储临时文件的目录。
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setHeaderEncoding("UTF-8");
try {
List items = upload.parseRequest(request);
System.out.println("items = " items);
Iterator itr = items.iterator();
while (itr.hasNext())
{
FileItem item = (FileItem) itr.next();
String fileName = item.getName();
long fileSize = item.getSize();
if (!item.isFormField()) {
String fileExt = fileName.substring(fileName.lastIndexOf(".") 1).toLowerCase();
SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
String newFileName = df.format(new Date()) "_" new Random().nextInt(1000) "." fileExt;
try{
File uploadedFile = new File(savePath, newFileName);
OutputStream os = new FileOutputStream(uploadedFile);
InputStream is = item.getInputStream();
byte buf[] = new byte[1024];//可以修改 1024 以提高读取速度
int length = 0;
while( (length = is.read(buf)) > 0 ){
os.write(buf, 0, length);
}
//关闭流
os.flush();
os.close();
is.close();
System.out.println("上传成功！路径：" savePath "/" newFileName);
out.print(savePath "/" newFileName);
}catch(Exception e){
e.printStackTrace();
}
}else {
String filedName = item.getFieldName();
System.out.println("===============");
System.out.println(new String(item.getString().getBytes("iso-8859-1"),"utf-8"));
System.out.println("FieldName：" filedName);
// 获得裁剪部分的坐标和宽高
System.out.println("String：" item.getString());
}
}
} catch (FileUploadException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
out.flush();
out.close();
}
}
资源文件列表
.project , 1039
.settings/.jsdtscope , 503
.settings/org.eclipse.jdt.core.prefs , 364
.settings/org.eclipse.wst.common.component , 472
.settings/org.eclipse.wst.common.project.facet.core.xml , 345
.settings/org.eclipse.wst.jsdt.ui.superType.container , 49
.settings/org.eclipse.wst.jsdt.ui.superType.name , 6
build/classes/upload/UploadAction.class , 5809
src/upload/UploadAction.java , 5919
WebContent/META-INF/MANIFEST.MF , 39
WebContent/publicity-1.0.0/demo.basic.html , 3249
WebContent/publicity-1.0.0/demo.drag.html , 3250
WebContent/publicity-1.0.0/demo.html , 3262
WebContent/publicity-1.0.0/demo.tailor.html , 3249
WebContent/publicity-1.0.0/jquery-1.7.2.js , 262285
WebContent/publicity-1.0.0/readme.txt , 349
WebContent/publicity-1.0.0/zyupload/skins/images/add_img.png , 3520
WebContent/publicity-1.0.0/zyupload/skins/images/bg.png , 5981
WebContent/publicity-1.0.0/zyupload/skins/images/close.png , 1254
WebContent/publicity-1.0.0/zyupload/skins/images/del.png , 3107
WebContent/publicity-1.0.0/zyupload/skins/images/delete_blue.png , 627
WebContent/publicity-1.0.0/zyupload/skins/images/delete_white.png , 447
WebContent/publicity-1.0.0/zyupload/skins/images/edit.png , 744
WebContent/publicity-1.0.0/zyupload/skins/images/edit_blue.png , 555
WebContent/publicity-1.0.0/zyupload/skins/images/edit_white.png , 434
WebContent/publicity-1.0.0/zyupload/skins/images/fileType/file.png , 2011
WebContent/publicity-1.0.0/zyupload/skins/images/fileType/pdf.png , 2505
WebContent/publicity-1.0.0/zyupload/skins/images/fileType/ppt.png , 2625
WebContent/publicity-1.0.0/zyupload/skins/images/fileType/psd.png , 2991
WebContent/publicity-1.0.0/zyupload/skins/images/fileType/rar.png , 3000
WebContent/publicity-1.0.0/zyupload/skins/images/fileType/swf.png , 3112
WebContent/publicity-1.0.0/zyupload/skins/images/fileType/ttf.png , 2755
WebContent/publicity-1.0.0/zyupload/skins/images/fileType/txt.png , 2691
WebContent/publicity-1.0.0/zyupload/skins/images/fileType/xls.png , 3006
WebContent/publicity-1.0.0/zyupload/skins/images/fileType/zip.png , 2765
WebContent/publicity-1.0.0/zyupload/skins/images/finish.png , 4212
WebContent/publicity-1.0.0/zyupload/skins/images/Jcrop.gif , 329
WebContent/publicity-1.0.0/zyupload/skins/images/loading.gif , 5861
WebContent/publicity-1.0.0/zyupload/skins/images/success.png , 1621
WebContent/publicity-1.0.0/zyupload/skins/zyupload-1.0.0.css , 11410
WebContent/publicity-1.0.0/zyupload/skins/zyupload-1.0.0.min.css , 9059
WebContent/publicity-1.0.0/zyupload/zyupload-1.0.0.js , 60999
WebContent/publicity-1.0.0/zyupload/zyupload-1.0.0.min.js , 34332
WebContent/publicity-1.0.0/zyupload/zyupload.basic-1.0.0.js , 29685
WebContent/publicity-1.0.0/zyupload/zyupload.basic-1.0.0.min.js , 14713
WebContent/publicity-1.0.0/zyupload/zyupload.drag-1.0.0.js , 60848
WebContent/publicity-1.0.0/zyupload/zyupload.drag-1.0.0.min.js , 34332
WebContent/publicity-1.0.0/zyupload/zyupload.tailor-1.0.0.js , 60999
WebContent/publicity-1.0.0/zyupload/zyupload.tailor-1.0.0.min.js , 34332
WebContent/WEB-INF/lib/commons-fileupload-1.2.2.jar , 59590
WebContent/WEB-INF/lib/commons-io-2.1.jar , 163151
WebContent/WEB-INF/web.xml , 995