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jspSmartUploadsu.initialize(config, request, response);// 初始化SmartUploadsu.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;} }

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