文件批量上传（带进度条效果）

package upload.action; import java.io.File; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; import org.apache.struts2.ServletActionContext; public class UploadAction { private File Filedata; private String FiledataFileName; private String FiledataContentType; // 文件夹目录 private static final String basePath = "fileupload\\groupResource"; public String execute() { String s = (String)ServletActionContext.getRequest().getParameter("god"); String s2 = (String)ServletActionContext.getRequest().getParameter("uid"); if (Filedata != null && Filedata.length() > 0) { // 群组名字作为最后的文件夹 String groupFileName = "haoba"; String uploadPath = ServletActionContext.getServletContext() .getRealPath(basePath+"\\"+groupFileName); File path = new File(uploadPath); if (!path.exists()) { path.mkdirs(); }else{ //文件已存在 //FiledataFileName } String newPath = uploadPath +"\\"+FiledataFileName; Filedata.renameTo(new File(newPath)); // 保存到数据库中的路径 String savePath = basePath+"\\"+groupFileName+"\\"+FiledataFileName; } return null; } // 上传文件 private String pathSplit(String timeStr, String o, String n) { StringBuffer sb = new StringBuffer(); for (String a : timeStr.split(o)) { sb.append(a); sb.append(n); } sb.deleteCharAt(sb.length() - 1); return sb.toString(); } public static String format(Date date, String parttern) { DateFormat df = new SimpleDateFormat(parttern); return df.format(date); } public File getFiledata() { return Filedata; } public void setFiledata(File filedata) { Filedata = filedata; } public String getFiledataFileName() { return FiledataFileName; } public void setFiledataFileName(String filedataFileName) { FiledataFileName = filedataFileName; } public String getFiledataContentType() { return FiledataContentType; } public void setFiledataContentType(String filedataContentType) { FiledataContentType = filedataContentType; } public static void main(String[] args) { System.out.println(0.444<1); } }