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嗨,夥計們,我是java的初學者。我目前在apache wicket中工作,這是一個基於java的框架。我正在嘗試創建一個加載按鈕來選擇並上傳特定文件夾中的多個文件。我已經有這段代碼使用我可以選擇和上傳單個文件,但我很困惑做相同的選擇和上傳多個文件。如何允許用戶選擇並上傳多個文件在特定文件夾中並獲取java文件夾的路徑
在此先感謝
public class HomePage extends WebPage {
private FileUploadField fileUpload;
private String UPLOAD_FOLDER = "C:\\";
public HomePage(final PageParameters parameters) {
add(new FeedbackPanel("feedback"));
Form<?> form = new Form<Void>("form") {
@Override
protected void onSubmit() {
final FileUpload uploadedFile = fileUpload.getFileUpload();
if (uploadedFile != null) {
//write to a new file
File newFile = new File(UPLOAD_FOLDER
+ uploadedFile.getClientFileName());
if (newFile.exists()) {
newFile.delete();
}
try {
newFile.createNewFile();
uploadedFile.writeTo(newFile);
///file which is diplayed after uploading
info("" + uploadedFile.getClientFileName());
}
catch (Exception e)
{
throw new IllegalStateException("Error");
}
}
}
};
// Enable multipart mode (need for uploads file)
form.setMultiPart(true);
// max upload size, 10k
form.setMaxSize(Bytes.kilobytes(1000));
form.add(fileUpload = new FileUploadField("fileUpload"));
add(form);
}
}
我認爲你需要一個'MultiFileUploadField' ...請看這裏:http://ci.apache.org/projects/wicket/apidocs/6.0.x/org/apache/wicket/markup/html/form/upload /MultiFileUploadField.html – RobAu 2014-10-07 07:00:11