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我試圖在我的頁面上掛載一個ImageResourceReference,但多次掛載ExternalLink(每次我重新加載頁面,我都會得到一個新的附加鏈接(同一個) 例如,當我第一次啓動服務器並加載頁面時,只有一個ExternalLink,第二次,兩個鏈接,第三次三等...Wicket ImageResourceReference ist每次頁面重新加載多次安裝
可能是什麼原因?
這裏是我的代碼: WebApp.java:
void init() {
.....
mountResource("/book/number/${number}/images/ray/${name}", new ImageResourceReference());
....
}
個
ImageResourcesPanel:
public class ImageResourcesPanel extends Panel {
private static final long serialVersionUID = -8723530004274531683L;
private static Logger logger = LoggerFactory.getLogger(ImageResourcesPanel.class
.getName());
/**
* The image names for which dynamic images will be generated
*/
private static List<String> IMAGE_NAMES = new ArrayList<String>();
public ImageResourcesPanel(final String wicketId, final IModel<Device> model) {
super(wicketId, model);
String pathToImage = "images";
IMAGE_NAMES.add(pathToImage);
ListView<String> listView = new ListView<String>("list", IMAGE_NAMES) {
private static final long serialVersionUID = 1L;
@Override
protected void populateItem(ListItem<String> item) {
logger.debug("Executed!");
ResourceReference imagesResourceReference = new ImageResourceReference();
PageParameters imageParameters = new PageParameters();
int number = model.getObject().getNumber();
String imageName = item.getModelObject();
String folder = model.getObject().getLinkToFolder();
imageParameters.set("name", imageName);
imageParameters.set("number", number);
imageParameters.set("folder", folder);
// generates nice looking url (the mounted one) to the current image
CharSequence urlForWordAsImage = getRequestCycle().urlFor(imagesResourceReference, imageParameters);
ExternalLink link = new ExternalLink("link", urlForWordAsImage.toString());
link.setBody(Model.of(imageName));
item.add(link);
}
};
add(listView);
}
}
我不明白這個問題。請提供:面板標記,生成錯誤的html,所需的html。 – bernie
嗨,我使用了類似的代碼,當頁面加載時,我得到以下異常。 WicketObjects:無法解析類[未定義] 拋出java.lang.ClassNotFoundException:未定義 \t在org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1509) \t在org.glassfish.web.loader.WebappClassLoader .loadClass(WebappClassLoader.java:1359) \t at java.lang.Class.forName0(Native Method) \t at java.lang.Class.forName(Class.java:247) – Jay