一个使用jspSmartUpload控件上传文件的例子

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一个使用jspSmartUpload控件上传文件的例子

package cn.edu.hbcit.ips.servlet; import java.io.IOException; import java.io.PrintWriter; import java.util.*; import javax.servlet.*; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.log4j.Logger; import cn.edu.hbcit.ips.bean.ConnBean; import cn.edu.hbcit.ips.bean.FileOperate; import com.jspsmart.upload.*; public class ExcelUpload extends HttpServlet { private ServletConfig config; private static final String CONTENT_TYPE = "text/html; charset=GB2312"; protected final Logger log = Logger.getLogger(ExcelUpload.class.getName()); /** * Constructor of the object. */ public ExcelUpload() { super(); } /** * Destruction of the servlet. <br> */ public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("gb2312"); int countFile = 0; String realPath = ""; String oldFilename =""; SmartUpload su = new SmartUpload(); //实例化jspSmartUpload su.initialize(config, request, response);// 初始化SmartUpload su.setAllowedFilesList("xls"); //允许上传的文件类型(中间用,隔开) su.setMaxFileSize(1 * 1024 * 1024); //声明上传文件最大容量 log.debug("Uploading..."); try{ su.upload(); com.jspsmart.upload.File file = su.getFiles().getFile(0); oldFilename = file.getFileName();//得到原文件名 log.debug("原文件名为："+oldFilename); FileOperate fo = new FileOperate(); if(file.getFileExt().equalsIgnoreCase("xls")){//判断文件扩展名是否为xls //将文件另存为 if (!file.isMissing()) { realPath = request.getRealPath("/")+"UserFiles//"; // su.save(realPath); realPath += fo.generateRandomFilename()+"xls"; log.debug("当前路径是："+realPath); file.saveAs(realPath, su.SAVE_PHYSICAL); log.debug("上传文件大小："+file.getSize()); } } }catch(Exception e){ log.error(e.getMessage()); } } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occurs */ public void init(ServletConfig config) throws ServletException { this.config = config; } }