|
package com.springapp.mvc.controller;
import com.springapp.mvc.resources.security.MD5Demo;
import org.springframework.stereotype.Controller;
import
org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.multipart.MultipartFile;
import
org.springframework.web.multipart.MultipartHttpServletRequest;
import
org.springframework.web.multipart.commons.CommonsMultipartResolver;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
@Controller
@RequestMapping(value = "/")
public class UploadController {
@RequestMapping("upload2" )
public String
upload2(HttpServletRequest request,HttpServletResponse response)
throws IllegalStateException, IOException {
//創(chuàng)建一個通用的多部分解析器
CommonsMultipartResolver multipartResolver = new
CommonsMultipartResolver(request.getSession().getServletContext());
//判斷 request 是否有文件上傳,即多部分請求
//
List list =new ArrayList();
Random random =new Random();
if(multipartResolver.isMultipart(request)){
//轉(zhuǎn)換成多部分request
MultipartHttpServletRequest multiRequest =
(MultipartHttpServletRequest)request;
//取得request中的所有文件名
Iterator
iter = multiRequest.getFileNames();
MD5Demo
md5Demo = new MD5Demo();
while(iter.hasNext()){
//記錄上傳過程起始時的時間，用來計算上傳時間
int pre = (int)
System.currentTimeMillis();
//取得上傳文件
MultipartFile file =
multiRequest.getFile(iter.next());
if(file != null){
//取得當前上傳文件的文件名稱
String myFileName =
file.getOriginalFilename();
//如果名稱不為“”,說明該文件存在，否則說明該文件不存在
if(myFileName.trim() !=""){
//上傳的文件名字
String
fileName = file.getOriginalFilename();
//定義上傳路徑
String
path =
request.getSession().getServletContext().getRealPath("upload");//上傳的目錄
String
extName =
fileName.substring(fileName.lastIndexOf(".")).toLowerCase();
//重命名上傳后的文件名,使用時間戳作為文件名稱
fileName =
System.currentTimeMillis()+String.valueOf(random.nextInt(10000))+extName;
File
targetFile = new File(path, fileName);
if
(!targetFile.exists()) {
targetFile.mkdirs();
}
file.transferTo(targetFile);
String str
= md5Demo.getMd5ByFile(targetFile);
System.out.println(request.getSession().getAttribute("user"));
System.out.println("str"+str);
System.out.println(targetFile.getPath());
//
model.addAttribute("fileUrl",
request.getContextPath()+"/picture/"+fileName);
request.setAttribute("file", targetFile.getPath());
request.setAttribute("fileUrl", request.getContextPath() +
"/upload/" + fileName);
//
list.add(request.getContextPath()+"/upload/"+fileName);
}
}
//記錄上傳該文件后的時間
}
}
//
request.setAttribute("fileUrl", list);
return "showpdf";
}
}
|
