swfuplaod common-fileupload servletと組み合わせてファイルをアップロード
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詳細
実はswfuploadは1つのフロントエンドのアップロードコントロールで、バックエンドと何の連絡もなくて、唯一の連絡はurlとservletを提出して200を返して、あなたにアップロードに成功したことを教えます
jsp:
servlet:
pom:
実はswfuploadは1つのフロントエンドのアップロードコントロールで、バックエンドと何の連絡もなくて、唯一の連絡はurlとservletを提出して200を返して、あなたにアップロードに成功したことを教えます
jsp:
My JSP 'index.jsp' starting page
var swfu;
window.onload = function() {
var settings = {
flash_url : "js/SWFUpload/swfupload.swf",
upload_url: "upload.do",
file_size_limit : "200 MB",
file_types : "*.csv",
file_types_description : "All Files",
file_upload_limit : 100,
file_queue_limit : 0,
custom_settings : {
progressTarget : "fsUploadProgress",
cancelButtonId : "btnCancel"
},
debug: false,
// Button settings
button_image_url: "images/TestImageNoText_65x29.png",
button_width: "135",
button_height: "29",
button_placeholder_id: "spanButtonPlaceHolder",
button_text: '<span class="theFont">Files</span>',
button_text_style: ".theFont { font-size: 16; }",
button_text_left_padding: 12,
button_text_top_padding: 3,
// The event handler functions are defined in handlers.js
file_queued_handler : fileQueued,
file_queue_error_handler : fileQueueError,
file_dialog_complete_handler : fileDialogComplete,
upload_start_handler : uploadStart,
upload_progress_handler : uploadProgress,
upload_error_handler : uploadError,
upload_success_handler : uploadSuccess,
upload_complete_handler : uploadComplete,
queue_complete_handler : queueComplete // Queue plugin event
};
swfu = new SWFUpload(settings);
};
Upload files
Files List
servlet:
public class UploadFileServlet extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
super.doGet(req, resp);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse resp) {
File fileList=null;
try {
// , ,
File dir=new File(Config.getUploadFilesDir());
if(!dir.exists()){
boolean b=dir.mkdirs();
}
// “DB” ,
fileList=new File(Config.getFileNamesDB());
if(!fileList.exists()){
fileList.createNewFile();
}
DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload=new ServletFileUpload(factory);
List items=upload.parseRequest(request);
// System.out.println("items.size()===>"+items.size());
// System.out.println("fileName1===>"+items.get(0).getName());
// System.out.println("fileName2===>"+items.get(1).getName());
// System.out.println("fileName3===>"+items.get(2).getName());
Iterator iterator=items.iterator();
while(iterator.hasNext()){
FileItem item=(FileItem)iterator.next();
if(!item.isFormField()){
item.write(new File(Config.getUploadFilesDir()+item.getName()));
TxtTools.appendContent(Config.getFileNamesDB(), item.getName());
PrintWriter out=resp.getWriter();
out.print("200");// swfupload ,swfuplaod 200 , swfupload api
out.close();
}
}
} catch (Exception e) {
e.printStackTrace();
}finally{
//
}
}
}
pom:
commons-fileupload
commons-fileupload
1.3