common-fileupdown上传

来源：互联网发布：切糕事件知乎编辑：程序博客网时间：2024/05/16 01:37

1.上传页面

<%@ page contentType="text/html; charset=gb2312" %><%@ page import="java.sql.*" %><%@ page import="java.util.*" %><%@ page import="java.io.*"%><%@ page import="com.gree.db.SSABaanCon" %><%@ page import="com.gree.db.BaanLogin" %><%@ page import="com.gree.base.Tcmcs000" %><%@ page import="com.gree.util.*" %><%  /**   * 散件清单批次  **/    Tcmcs000 tcmcs000 = new Tcmcs000();   tcmcs000=(Tcmcs000)session.getAttribute("userBean");   if(tcmcs000==null){response.sendRedirect("../index.html");return;}     String opt="",sql="",comp="",mess="",user="";//一般用  opt=request.getParameter("opt");  java.text.SimpleDateFormat sdf=new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  comp=tcmcs000.getComp();  user=tcmcs000.getUsid();    %><html><head><title>散件清单批次</title><link href="../css/css.css" rel="stylesheet" type="text/css"></head><body>  <form name="frm" action="tcibd5129m003.jsp" enctype="multipart/form-data"   method="post"> 名字1：<input type="text" name="name_gree"/> <br> 名字2：<input type="text" name="name_gree"/> <br> 文件1:<input type="file" name="myfile1" /> <br> 文件2:<input type="file" name="myfile2" /> <br> <input type="submit" value="提交" /></form>  </body></html>

2、处理页面

<%@ page contentType="text/html; charset=gb2312" %><%@ page import="java.sql.*" %><%@ page import="java.util.*" %><%@ page import="java.io.*"%><%@ page import="com.gree.db.SSABaanCon" %><%@ page import="com.gree.db.BaanLogin" %><%@ page import="com.gree.base.Tcmcs000" %><%@ page import="com.gree.util.*" %><%@ page import="org.apache.commons.fileupload.*" %><%@ page import="org.apache.commons.fileupload.servlet.*" %><%@ page import="org.apache.commons.fileupload.disk.*" %><%@ page import="java.io.*"%><%  //String uploadPath="v:\\";  String uploadPath = "d:\\sjgg";  File file = new File(uploadPath);  if(file.exists()){  out.print("yes");  }else{  out.print("no");  }  boolean isMultipart = ServletFileUpload.isMultipartContent(request);  if(isMultipart==true){        try{        FileItemFactory factory = new DiskFileItemFactory();        ServletFileUpload upload = new ServletFileUpload(factory);        List<FileItem> items = upload.parseRequest(request);//得到所有的文件Iterator<FileItem> itr0 = items.iterator();       while(itr0.hasNext()){//依次表单中的数据FileItem item=(FileItem)itr0.next();                if(item.isFormField()){//如果是普通表单项目                String fieldName = item.getFieldName();  //获取表单中<input type='text'/>的name名称        String fieldVale = item.getString(); //获取表单中<input type='text'/>的value值        out.write("表单中普通数据名："+fieldName); out.write("<br>");         out.write("表单中普通数据值："+fieldVale); out.write("<br>"); }}        Iterator<FileItem> itr = items.iterator();        while(itr.hasNext()){//依次处理每个文件                 FileItem item=(FileItem)itr.next();                if(!item.isFormField()){                String fileName=item.getName();//获得文件名，包括路径out.write("表单中上传文件路径:"+fileName);out.write("<br>");         if(fileName!=null){                     File fullFile = new File(item.getName());             String saveFullFileName = fullFile.getName();             int i = saveFullFileName.lastIndexOf(".");             System.out.println(i); //不等于-1             if(i!=-1){             String postfix = saveFullFileName.substring(i);             System.out.println("文件后缀:"+postfix);              File savedFile = new File(uploadPath,"GREE"+fullFile.getName()); //在这里修改文件名             item.write(savedFile);             }else{             System.out.println("不能识别的文件");             }                                   }                }                 }        out.print("upload succeed");            }catch(Exception e){         e.printStackTrace();         out.print(e.getMessage());      }  }else{      out.println("the enctype must be multipart/form-data");  }%><html><head><title>File upload</title></head><body></body></html>

3、下载功能

@ResponseBody@RequestMapping(value="/download.xhtml")public void download(Model model,HttpSession session,HttpServletRequest request,HttpServletResponse response,@RequestParam(value="filename", required=true) String filename){//String filename = "1392876828781.msg";           // String online = request.getParameter("online");                  FileInputStream in = null;           ServletOutputStream out = null;           try {                      response.setContentType("application/x-msdownload");               response.setHeader("Content-Disposition", "attachment; filename=" + filename);                         in = new FileInputStream("D:\\sjgg\\"+filename);               out = response.getOutputStream();              out.flush();              int aRead = 0;              while ((aRead = in.read()) != -1 & in != null) {                  out.write(aRead);               }              out.flush();                        } catch (Throwable e) {              e.printStackTrace();          } finally {              try {                  in.close();                  out.close();              } catch (Throwable e) {                  e.printStackTrace();              }          }  }

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