restlet上传图片代码

来源：互联网发布：万国数据员工待遇拉勾编辑：程序博客网时间：2024/05/16 19:27
客户端用的是 jquery file upload，服务器端用的是restlet
package org.soachina.rest.component.resource;import java.io.File;import java.io.FileWriter;import java.io.IOException;import java.text.SimpleDateFormat;import java.util.Date;import java.util.List;import org.apache.commons.fileupload.FileItem;import org.apache.commons.fileupload.FileUploadException;import org.apache.commons.fileupload.disk.DiskFileItemFactory;import org.restlet.ext.fileupload.RestletFileUpload;import org.restlet.representation.Representation;import org.restlet.resource.Post;import org.restlet.resource.ServerResource;public class PostDemoResource extends ServerResource {@Postpublic Representation post(Representation entity) {//        getResponse().setStatus(Status.SUCCESS_OK);  //        return new StringRepresentation("11111111111" + parameters); Representation rep = null;// 1/ Create a factory for disk-based file itemsDiskFileItemFactory factory = new DiskFileItemFactory();//System.out.println("大头");// 2/ Create a new file upload handler based on the Restlet// FileUpload extension that will parse Restlet requests and// generates FileItems.RestletFileUpload upload = new RestletFileUpload(factory);// 3/ Request is parsed by the handler which generates a// list of FileItemsList<FileItem> items = null;try {items = upload.parseRepresentation(entity);} catch (FileUploadException e) {// TODO Auto-generated catch blocke.printStackTrace();}        String filename =  "";for (FileItem fi : items) {filename = fi.getName();System.out.println("Save image ... " + filename);/*新建一个图片文件*/String extName=filename.substring(filename.lastIndexOf("."));        String newName=new SimpleDateFormat("yyyyMMDDHHmmssms").format(new Date());        File file=new File(newName+extName);          if(!file.exists()){//判断文件是否存在              try {                  file.createNewFile();  //创建文件                                } catch (IOException e) {                  // TODO Auto-generated catch block                  e.printStackTrace();              }          }          /*获取文件路径*/          String path_=file.getPath();          /*获取绝对路径名*/          String absPath=file.getAbsolutePath();          /*获取父亲文件路径*/          String parent=file.getParent();  try {fi.write(file);} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}return null;}}
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