我嘗試使用從API稱J-加萊得到結果,然後出來把結果在網頁上,我寫在客戶端的所有代碼,但它不能編譯權,不知道爲什麼?請幫忙。源代碼象下面這樣:GWT客戶端「拋出異常」的原因compling問題
有出現沒有明顯的錯誤,但它不能是成功編譯.....非常感謝:
公共無效onModuleLoad(){// 創建庫存數據表。 stocksFlexTable.setText(0,0,「Type」); stocksFlexTable.setText(0,1,「Name」);
// Assemble Add Stock panel.
addPanel.add(newSymbolTextBox);
addPanel.add(addStockButton);
// Assemble Main panel.
mainPanel.add(stocksFlexTable);
mainPanel.add(addPanel);
mainPanel.add(lastUpdatedLabel);
// Associate the Main panel with the HTML host page.
RootPanel.get("stockList").add(mainPanel);
// Move cursor focus to the input box.
newSymbolTextBox.setFocus(true);
//在添加按鈕上監聽鼠標事件。 addStockButton.addClickHandler(新clickHandler事件(){ 公共無效的onClick(ClickEvent事件){
try {
addStock();
} catch (Exception e) {
e.printStackTrace();
}
}
});
// Listen for keyboard events in the input box.
newSymbolTextBox.addKeyPressHandler(new KeyPressHandler() {
public void onKeyPress(KeyPressEvent event) {
if (event.getCharCode() == KeyCodes.KEY_ENTER) {
try {
addStock();
} catch (Exception e) {
e.printStackTrace();
}
}
}
});
}
private void addStock() throws Exception {
final String url_s = newSymbolTextBox.getText().toUpperCase().trim();
newSymbolTextBox.setFocus(true);
newSymbolTextBox.setText("");
int row = stocksFlexTable.getRowCount();
CalaisClient client = new CalaisRestClient("ysw5rx69jkvdnzqf6sgjduqj");
System.out.print("read success...\n");
URL url = new URL(url_s);
CalaisResponse response = client.analyze(url);
for (CalaisObject entity : response.getEntities()) {
System.out.println(entity.getField("_type") + ":"
+ entity.getField("name"));
stocks.add(entity.getField("_type"));
stocksFlexTable.setText(row, 0, entity.getField("_type"));
stocksFlexTable.setText(row, 1, entity.getField("name"));
}
for (CalaisObject topic : response.getTopics()) {
System.out.println(topic.getField("categoryName"));
}
}
}
請加上你,這將有助於回答你的問題的錯誤。 – 2010-12-08 14:32:33