73 lines
2.3 KiB
Plaintext
73 lines
2.3 KiB
Plaintext
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
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<%@ page import="java.io.*, java.util.*, org.apache.commons.fileupload.*, java.util.*" %>
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<%@ page import="org.apache.commons.fileupload.disk.*, org.apache.commons.fileupload.servlet.*" %>
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<%!
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public void upload(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
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String savePath = this.getServletConfig().getServletContext().getRealPath("");
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savePath = savePath + request.getParameter("uploadPath");
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File f1 = new File(savePath);
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//这里接收了uploadPath的值 System.out.println(request.getParameter("uploadPath"));
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if (!f1.exists()) {
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f1.mkdirs();
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}
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DiskFileItemFactory fac = new DiskFileItemFactory();
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ServletFileUpload upload = new ServletFileUpload(fac);
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upload.setHeaderEncoding("utf-8");
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List fileList = null;
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try {
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fileList = upload.parseRequest(request);
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} catch (FileUploadException ex) {
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return;
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}
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String fileNmae = request.getParameter("fileNmae");
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Iterator<FileItem> it = fileList.iterator();
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String name = "";
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String extName = "";
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while (it.hasNext()) {
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FileItem item = it.next();
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if (!item.isFormField()) {
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name = item.getName();
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long size = item.getSize();
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String type = item.getContentType();
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//System.out.println(size + " " + type);
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if (name == null || name.trim().equals("")) {
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continue;
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}
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// 扩展名格式：
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if (name.lastIndexOf(".") >= 0) {
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extName = name.substring(name.lastIndexOf("."));
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}
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File file = null;
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if(null != fileNmae && !"".equals(fileNmae)){
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file = new File(savePath + fileNmae);
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}else{
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do {
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if(null != fileNmae && !"".equals(fileNmae)){
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file = new File(savePath + fileNmae);
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}else{
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name = new java.text.SimpleDateFormat("yyyyMMddhhmmss").format(new Date()); //获取当前日期
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name = name + (int)(Math.random()*90000+10000);
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file = new File(savePath + name + extName);
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}
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} while (file.exists());
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}
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File saveFile = new File(savePath + name + extName);
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try {
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item.write(saveFile);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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response.getWriter().print((name.trim() + extName.trim()).trim());
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}
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%>
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<%
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upload(request, response);
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%> |