java JavaFX8 TableView未在定时服务中使用RestTemplate调用中的列表进行更新
我对Java和JavaFX相当陌生，我正在开发一个JavaFX应用程序，并在JavaFX中使用REST api。同时发生的ScheduledService任务以更新TableView。我能够从SpringBoot REST服务获得响应，并且可以看到数据正在模型对象、ObservableList以及TableView本身上设置，但表仍然是空的
SpringBoot Api端点：
@RequestMapping(value = "/getAllActive", method = RequestMethod.GET)
public List<IssuedTicket> getAllActive () {
List<IssuedTicket> issuedTicketList = issuedTicketService.findAll();
return issuedTicketList;
}
来自上述端点的JSON响应：
[{"id":2,"ticketId":1230717013545,"dateArrived":"23-07-17","timeArrived":"01:35:45","deviceId":1},{"id":3,"ticketId":1230717013552,"dateArrived":"23-07-17","timeArrived":"01:35:52","deviceId":1},{"id":4,"ticketId":1230717013556,"dateArrived":"23-07-17","timeArrived":"01:35:56","deviceId":1}]
在我的JavaFX应用程序中：
家庭经济控制者。爪哇
package com.ronintech.bayTrans.ui.main;
import com.jfoenix.controls.JFXButton;
import com.jfoenix.controls.JFXTextField;
import com.ronintech.bayTrans.model.ActiveTickets;
import com.ronintech.bayTrans.utils.RestErrorHandler;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.concurrent.ScheduledService;
import javafx.concurrent.Task;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.AnchorPane;
import javafx.util.Duration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.*;
import org.springframework.web.client.RestTemplate;
import java.net.URL;
import java.util.List;
import java.util.ResourceBundle;
public class HomeSceneController implements Initializable{
@FXML
private AnchorPane homeAnchorPane;
@FXML
private JFXTextField ticketTxt;
@FXML
private JFXButton scanTicketBtn;
@FXML
private TableView<ActiveTickets> activeTicketsTable;
@FXML
private TableColumn<ActiveTickets, Long > ticketIdCol;
@FXML
private TableColumn<ActiveTickets, String > dateArrivedCol;
@FXML
private TableColumn<ActiveTickets, String> timeArrivedCol;
private ObservableList<ActiveTickets> activeTicketsList;
private static final Logger LOGGER = LoggerFactory.getLogger(HomeSceneController.class);
private static final String ACTIVE_TICKETS_URL = "http://localhost:9090/api/ticket/getAllActive";
@Override
public void initialize(URL location, ResourceBundle resources) {
getActiveTickets.reset();
getActiveTickets.setPeriod(Duration.seconds(20));
getActiveTickets.start();
getActiveTickets.setOnSucceeded(event -> {
LOGGER.info("onSuccess");
List<ActiveTickets> activeList = getActiveTickets.getValue();
activeTicketsList = FXCollections.observableArrayList(activeList);
ticketIdCol.setCellValueFactory(new PropertyValueFactory<ActiveTickets, Long>("ticketId"));
dateArrivedCol.setCellValueFactory(new PropertyValueFactory<ActiveTickets, String>("dateArrived"));
timeArrivedCol.setCellValueFactory(new PropertyValueFactory<ActiveTickets, String>("timeArrived"));
activeTicketsTable.setItems(activeTicketsList);
LOGGER.info("Items in Table");
LOGGER.info(activeTicketsTable.getItems().toString());
});
getActiveTickets.setOnFailed(event -> {
LOGGER.error("service task FAILED");
});
}
@FXML
void openTicketModal(ActionEvent event) {
}
private ScheduledService<List<ActiveTickets>> getActiveTickets = new ScheduledService<List<ActiveTickets>>() {
@Override
protected Task<List<ActiveTickets>> createTask() {
return new Task<List<ActiveTickets>>() {
@Override
protected List<ActiveTickets> call() throws Exception {
LOGGER.info("Scheduled Service getActiveTickets STARTED");
RestTemplate restTemplate = new RestTemplate();
restTemplate.setErrorHandler(new RestErrorHandler());
List<ActiveTickets> response = restTemplate.getForObject(ACTIVE_TICKETS_URL, List.class);
LOGGER.info(response.toString);
return response;
}
};
}
};
}
我的模型对象： 活动票。爪哇
package com.ronintech.bayTrans.model;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.property.SimpleLongProperty;
import javafx.beans.property.SimpleStringProperty;
@JsonIgnoreProperties(ignoreUnknown = true)
public class ActiveTickets {
private SimpleLongProperty id;
private SimpleLongProperty ticketId;
private SimpleStringProperty dateArrived;
private SimpleStringProperty timeArrived;
private SimpleIntegerProperty deviceId;
public ActiveTickets(long id,
long ticketId,
String dateArrived,
String timeArrived,
int deviceId) {
this.id = new SimpleLongProperty(id);
this.ticketId = new SimpleLongProperty(ticketId);
this.dateArrived = new SimpleStringProperty(dateArrived);
this.timeArrived = new SimpleStringProperty(timeArrived);
this.deviceId = new SimpleIntegerProperty(deviceId);
}
public long getId() {
return id.get();
}
public SimpleLongProperty idProperty() {
return id;
}
public long getTicketId() {
return ticketId.get();
}
public SimpleLongProperty ticketIdProperty() {
return ticketId;
}
public String getDateArrived() {
return dateArrived.get();
}
public SimpleStringProperty dateArrivedProperty() {
return dateArrived;
}
public String getTimeArrived() {
return timeArrived.get();
}
public SimpleStringProperty timeArrivedProperty() {
return timeArrived;
}
public int getDeviceId() {
return deviceId.get();
}
public SimpleIntegerProperty deviceIdProperty() {
return deviceId;
}
public void setId(long id) {
this.id.set(id);
}
public void setTicketId(long ticketId) {
this.ticketId.set(ticketId);
}
public void setDateArrived(String dateArrived) {
this.dateArrived.set(dateArrived);
}
public void setTimeArrived(String timeArrived) {
this.timeArrived.set(timeArrived);
}
public void setDeviceId(int deviceId) {
this.deviceId.set(deviceId);
}
@Override
public String toString() {
return "ActiveTickets{" +
"ticketId=" + ticketId +
", dateArrived=" + dateArrived +
", timeArrived=" + timeArrived +
'}';
}
}
RestTemplate调用的响应是：
00:43:06.901 [Thread-9] INFO com.ronintech.bayTrans.ui.main.HomeSceneController - [{id=2, ticketId=1230717013545, dateArrived=23-07-17, timeArrived=01:35:45, deviceId=1}, {id=3, ticketId=1230717013552, dateArrived=23-07-17, timeArrived=01:35:52, deviceId=1}, {id=4, ticketId=1230717013556, dateArrived=23-07-17, timeArrived=01:35:56, deviceId=1}]
将ObservableList设置为TableView后的日志：
activeTicketsTable.setItems(activeTicketsList);
00:43:07.159 [JavaFX Application Thread] INFO com.ronintech.bayTrans.ui.main.HomeSceneController - [{id=2, ticketId=1230717013545, dateArrived=23-07-17, timeArrived=01:35:45, deviceId=1}, {id=3, ticketId=1230717013552, dateArrived=23-07-17, timeArrived=01:35:52, deviceId=1}, {id=4, ticketId=1230717013556, dateArrived=23-07-17, timeArrived=01:35:56, deviceId=1}]
日志显示TableView数据正在主UI线程上设置，但表仍然为空
我不确定我是否做错了，也不确定我做错了什么。如果有人知道如何解决这个问题，请提供帮助
提前谢谢
编辑
FXML中的我的TableView结构：
<TableView fx:id="activeTicketsTable" prefHeight="800.0" prefWidth="800.0" tableMenuButtonVisible="true">
<columns>
<TableColumn fx:id="ticketIdCol" prefWidth="75.0" text="Ticket ID"/>
<TableColumn fx:id="dateArrivedCol" prefWidth="75.0" text="Date Arrived"/>
<TableColumn fx:id="timeArrivedCol" prefWidth="75.0" text="Time Arrived"/>
</columns>
<columnResizePolicy>
<TableView fx:constant="CONSTRAINED_RESIZE_POLICY"/>
</columnResizePolicy>
</TableView>
更新
看来编组没有正确进行
这是ObservableList activeTicketsList的调试跟踪：
该列表已设置为LinkedHashMaps的ArrayList
而当我手动创建一个可观察列表时：
private final ObservableList<ActiveTickets> data = FXCollections.observableArrayList(
new ActiveTickets(1,1234,"date1","time1",1),
new ActiveTickets(2,5678,"date2","time2",2)
);
“data”被正确设置为ActiveTickets类对象的ArrayList
如何确保JSON->；对象封送是否在RestTemplate中正确完成
共 (0) 个答案