文件上传下载【SmartUpload】

package com.wuhn.smartupload.servlet; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.sql.SQLException; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.jspsmart.upload.SmartUpload; import com.jspsmart.upload.SmartUploadException; /** * @author wuhn * @创建时间 2015-12-08 * @功能 SmartUpload 上传 * **/ public class SmartUploadServlet extends HttpServlet { /** * The doGet method of the servlet. */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request,response);//默认post } /** * The doPost method of the servlet. * */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //设置上传文件保存路径 String filePath = getServletContext().getRealPath("/")+"images"; File file = new File(filePath); if(!file.exists()){ file.mkdir(); } SmartUpload smartUpload = new SmartUpload(); //初始化对象 smartUpload.initialize(getServletConfig(), request, response); //设置上传文件 smartUpload.setMaxFileSize(1024*1024*10); //设置所有文件的大小 smartUpload.setTotalMaxFileSize(1024*1024*100); //设置文件的类型 smartUpload.setAllowedFilesList("txt,jpg,gif"); String result = "上传成功！"; //设置禁止上传的文件类型 try { smartUpload.setDeniedFilesList("rar,jsp,js"); //上传文件 smartUpload.upload(); //保存文件 int count = smartUpload.save(filePath); } catch (Exception e) { //捕捉Exception异常 ，不然捕捉到异常 result = "上传失败！"; if(e.getMessage().indexOf("1015") != -1){ result = "上传失败：上传文件类型不正确！"; }else if (e.getMessage().indexOf("1010") != -1) { result = "上传失败：上传文件类型不正确！"; }else if (e.getMessage().indexOf("1105") != -1) { result = "上传失败：上传文件大小大于允许上传的最大值！"; }else if (e.getMessage().indexOf("1110") != -1) { result = "上传失败：上传文件总大小大于允许上传总大小的最大值！"; } e.printStackTrace(); } //获取上传文件的属性 for(int i=0;i<smartUpload.getFiles().getCount();i++){ com.jspsmart.upload.File tempFile = smartUpload.getFiles().getFile(i); System.out.println("***************"); System.out.println("表单中name的值："+tempFile.getFileName()); System.out.println("上传文件名："+tempFile.getFileName()); System.out.println("上传文件大小："+tempFile.getSize()); System.out.println("上传文件的拓展名："+tempFile.getFileExt()); System.out.println("上传文件全名："+tempFile.getFilePathName()); System.out.println("***************"); } System.out.println("上传结果："+result); request.setAttribute("result", result); request.getRequestDispatcher("/jsp/01.jsp").forward(request, response); } }