我在向TableView添加内容时遇到了困难 这是代码。我想我需要用TableView-elemnt改变一些东西.. 我不知道我卡住了。如果有人能帮助我，我将不胜感激。
谢谢。
FXML：
<?xml version="1.0" encoding="UTF-8"?>
<?import com.jfoenix.controls.JFXButton?>
<?import com.jfoenix.controls.JFXComboBox?>
<?import com.jfoenix.controls.JFXTextField?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.SplitPane?>
<?import javafx.scene.control.TableColumn?>
<?import javafx.scene.control.TableView?>
<?import javafx.scene.layout.AnchorPane?>
<?import javafx.scene.text.Font?>
<AnchorPane id="AnchorPane" prefHeight="429.0"
prefWidth="677.0" xmlns="http://javafx.com/javafx/8.0.141"
xmlns:fx="http://javafx.com/fxml/1"
fx:controller="registerapp.FXMLDocumentController">
<children>
<Label fx:id="label" layoutX="126" layoutY="120" minHeight="16"
minWidth="69" />
<SplitPane dividerPositions="0.29797979797979796"
layoutX="-1.0" prefHeight="429.0" prefWidth="745.0">
<items>
<AnchorPane fx:id="Anchorepane" minHeight="0.0"
minWidth="0.0" prefHeight="427.0" prefWidth="247.0">
<children>
<Label fx:id="lable" layoutX="14.0" layoutY="14.0"
prefHeight="24.0" prefWidth="103.0" text="Register Details"
textFill="#0080ff">
<font>
<Font name="System Bold" size="12.0" />
</font>
</Label>
<JFXTextField fx:id="firstName" layoutX="14.0"
layoutY="63.0" onAction="#firstName" promptText="First Name" />
<JFXTextField fx:id="lastName" layoutX="14.0"
layoutY="111.0" onAction="#lastName" promptText="Last Name" />
<JFXTextField fx:id="address" layoutX="14.0"
layoutY="162.0" onAction="#address" promptText="Address" />
<JFXComboBox fx:id="contractBox" layoutX="14.0"
layoutY="226.0" onAction="#contractBox" prefHeight="25.0"
prefWidth="135.0" promptText="Duration of Contract" />
<JFXComboBox fx:id="speedBox" layoutX="14.0"
layoutY="273.0" onAction="#speedBox" prefHeight="25.0"
prefWidth="135.0" promptText="Internet Speed" />
<JFXComboBox fx:id="flowBox" layoutX="14.0"
layoutY="323.0" onAction="#flowBox" prefHeight="25.0"
prefWidth="135.0" promptText="Internet Flow" />
<JFXButton fx:id="registerBtn" layoutX="117.0"
layoutY="388.0" onAction="#registerBtn" prefHeight="25.0"
prefWidth="69.0" style="-fx-background-color: #0080ff;"
text="Register" textFill="#fffbfb" />
<JFXButton fx:id="clearAll" layoutX="14.0"
layoutY="388.0" onAction="#clearAll"
style="-fx-background-color:
#0080ff;" text="Clear All"
textFill="#fffafa" />
</children>
</AnchorPane>
<AnchorPane minHeight="0.0" minWidth="0.0"
prefHeight="427.0" prefWidth="495.0">
<children>
<TableView fx:id="tabela" prefHeight="429.0"
prefWidth="519.0">
<columns>
<TableColumn prefWidth="81.0" text="First Name" />
<TableColumn prefWidth="79.0" text="Last Name" />
<TableColumn prefWidth="123.0" text="Address" />
<TableColumn prefWidth="55.0" text="DC" />
<TableColumn prefWidth="101.0" text="Internet Speed" />
<TableColumn prefWidth="79.0" text="Internet Flow" />
</columns>
</TableView>
</children>
</AnchorPane>
</items>
</SplitPane>
</children>
</AnchorPane>
FXMLDocumentController：
package application;
import com.jfoenix.controls.JFXButton;
import com.jfoenix.controls.JFXComboBox;
import com.jfoenix.controls.JFXTextField;
import java.net.URL;
import java.util.ArrayList;
import java.util.ResourceBundle;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Alert;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
public class FXMLDocumentController implements Initializable {
@FXML
private JFXTextField firstName;
@FXML
private JFXTextField lastName;
@FXML
private JFXTextField address;
@FXML
private JFXComboBox<String> contractBox;
@FXML
private JFXComboBox<String> speedBox;
@FXML
private JFXComboBox<String> flowBox;
@FXML
private JFXButton registerBtn;
@FXML
private JFXButton clearAll;
@FXML
TableView<Person> tabela = new TableView<>();
ObservableList<Person> persons = FXCollections.<Person>observableArrayList();
Person person;
public FXMLDocumentController()// ***
{
}
@Override
public void initialize(URL url, ResourceBundle rb) {
person = new Person();
firstName.textProperty().bindBidirectional(person.firstNameProperty());
lastName.textProperty().bindBidirectional(person.lastNameProperty());
address.textProperty().bindBidirectional(person.addressProperty());
ObservableList<String> list = FXCollections.observableArrayList("", "One Year", "Two Year");
ObservableList<String> list1 = FXCollections.observableArrayList("", "2Mbit", "5Mbit", "10Mbit", "20Mbit",
"50Mbit", "100Mbit");
ObservableList<String> list2 = FXCollections.observableArrayList("", "1GB", "5GB", "10GB", "100GB", "Flat");
contractBox.setItems(list);
speedBox.setItems(list1);
flowBox.setItems(list2); // ***
contractBox.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
String selected = contractBox.getSelectionModel().getSelectedItem();
person.contractBoxProperty().set(selected);
}
}); // ***
speedBox.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
String selected = speedBox.getSelectionModel().getSelectedItem();
person.speedBoxProperty().set(selected);
}
}); // ***
flowBox.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
String selected = flowBox.getSelectionModel().getSelectedItem();
person.flowBoxProperty().set(selected);
}
});
}
@FXML
private void firstName(ActionEvent event) {
}
@FXML
private void lastName(ActionEvent event) {
}
@FXML
private void address(ActionEvent event) {
}
@FXML
private void contractBox(ActionEvent event) {
}
@FXML
private void speedBox(ActionEvent event) {
}
@FXML
private void flowBox(ActionEvent event) {
}
@FXML
private void registerBtn(ActionEvent event) {
if (person.isValid()) {
persons = tabela.getItems();
persons.add(new Person(firstName.getText(), lastName.getText(), address.getText(), contractBox.getValue(),
speedBox.getValue(), flowBox.getValue()));// ***
// ***
tabela.setItems(persons);
} else {
StringBuilder errMsg = new StringBuilder();
ArrayList<String> errList = person.errorsProperty().get();
for (String errList1 : errList)
errMsg.append(errList1);
Alert alert = new Alert(Alert.AlertType.ERROR);
alert.setTitle("Person can not register!");
alert.setHeaderText(null);
alert.setContentText(errMsg.toString());
alert.showAndWait();
errList.clear();
}
}
@FXML
private void clearAll(ActionEvent event) {
person.firstNameProperty().set("");
person.lastNameProperty().set("");
person.addressProperty().set("");
contractBox.getSelectionModel().clearSelection();
flowBox.getSelectionModel().clearSelection();
speedBox.getSelectionModel().clearSelection();
}
}
PersonClass：
package registerapp;
import java.util.ArrayList;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
class Person {
private final StringProperty firstName = new SimpleStringProperty(this, "firstName", "");
private final StringProperty lastName = new SimpleStringProperty(this, "lastName", "");
private final StringProperty address = new SimpleStringProperty(this, "addres", "");
private final StringProperty contractBox = new SimpleStringProperty(this, "contractBox", "");
private final StringProperty speedBox = new SimpleStringProperty(this, "speedBox", "");
private final StringProperty flowBox = new SimpleStringProperty(this, "flowBox", "");
public Person()
{
}
public Person(String firstName)
{ this.firstName.set(firstName);
}
public Person(String firstName, String lastName)
{ this.firstName.set(firstName); this.lastName.set(lastName);
}
public Person(String firstName, String lastName, String address, String contractBox, String speedBox, String flowBox)
{ this.firstName.set(firstName); this.lastName.set(lastName); this.address.set(address); this.contractBox.set(contractBox); this.speedBox.set(speedBox); this.flowBox.set(flowBox);
}
public String getFirstName()
{ return firstName.get();
}
public void setFirstName(String firstName)
{ this.firstName.set(firstName);
}
public StringProperty firstNameProperty()
{ return firstName;
}
public String getLastName()
{ return lastName.get();
}
public void setLastName(String lastName)
{ this.lastName.set(lastName);
}
public StringProperty lastNameProperty()
{ return lastName;
}
public String getAddress()
{ return address.get();
}
public void setAddress(String address)
{ this.address.set(address);
}
public StringProperty addressProperty()
{ return address;
}
public String getContract()
{ return contractBox.get();
}
public void setContract(String contractBox)
{ this.contractBox.set(contractBox);
}
public StringProperty contractBoxProperty()
{ return contractBox;
}
public String getSpeed()
{ return speedBox.get();
}
public void setSpeed(String speedBox)
{ this.speedBox.set(speedBox);
}
public StringProperty speedBoxProperty()
{ return speedBox;
}
public String getFlow()
{ return flowBox.get();
}
public void setFlow(String flowBox)
{ this.flowBox.set(flowBox);
}
public StringProperty flowBoxProperty()
{ return flowBox;
}
private final ObjectProperty<ArrayList<String>> errorList = new SimpleObjectProperty<>(this, "errorList", new ArrayList<>());
public ObjectProperty<ArrayList<String>> errorsProperty()
{ return errorList;
}
public boolean isValid()
{ boolean isValid = true;
if(firstName.get() != null && firstName.get().equals("")) {
errorList.getValue().add("First name can't be empty!");
isValid = false; } if(lastName.get().equals("")) {
errorList.getValue().add("Last name can't be empty!");
isValid = false; } if(address.get().equals("")) {
errorList.getValue().add("Address can't be empty!");
isValid = false; }
return isValid;
}
}
如果您复制此代码，则需要将此文件添加到库：jfoenix-8.0.1
这是下载链接---- https://ufile.io/ineld
由于