customfileuploadbean.java

来自「OperaMasks是一种基于J2EE的Web开发技术」· Java 代码 · 共 71 行

package demo.fileupload;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.operamasks.faces.annotation.Action;
import org.operamasks.faces.annotation.Bind;
import org.operamasks.faces.annotation.ManagedBean;
import org.operamasks.faces.annotation.ManagedBeanScope;
import org.operamasks.faces.component.widget.fileupload.impl.UIFileUploadDialog;
@ManagedBean(name="CustomFileUploadBean", scope=ManagedBeanScope.REQUEST)
public class CustomFileUploadBean{
    @Bind
    private UIFileUploadDialog fileupload;
    
    @Action
    public void click(){
          fileupload.show();  
    }
    
    @Action
    public void upload(HttpServletRequest request, HttpServletResponse response) throws IOException{
//        ServletFileUpload upload = new ServletFileUpload();
//        InputStream stream = null;
//        BufferedInputStream bis = null;
//        BufferedOutputStream bos = null;
//        try {
//            if (ServletFileUpload.isMultipartContent(request)) {
//                upload.setSizeMax(1024*1024);
//                FileItemIterator iter = upload.getItemIterator(request);
//                while (iter.hasNext()) {
//                    FileItemStream item = iter.next();
//                    stream = item.openStream();
//                    if (!item.isFormField()) {
//                        String filename = new File(item.getName()).getName();
//                        bis = new BufferedInputStream(stream);
//                        bos = new BufferedOutputStream(new FileOutputStream(new File("c:/" + filename)));
//                        Streams.copy(bis, bos, true);
//                    }
//                }
//                fileupload.uploadSuccess(response);
//            }
//        } catch (FileUploadException e) {
//            fileupload.uploadFailed(response, e.getMessage());
//        } finally{
//            if(stream != null){
//                try{
//                    stream.close();
//                }catch(Exception e){}
//            }
//            if(bis != null){
//                try{
//                    bis.close();
//                }catch(Exception e){}
//            }
//            if(bos != null){
//                try{
//                    bos.close();
//                }catch(Exception e){}
//            }
//        }
    }
}