有人可以帮助我创建代码吗？ 我从Java开始，下一步要在xlsx文件中创建数据。 计划： 当我打开应用程序时，来自xlsx的数据将自动导入到表中。 我要在表格中添加新行，然后将此行添加到xlsx文件中。
控制器：
package sample.Controllers;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.control.cell.TextFieldTableCell;
import sample.Utils.StopLista;
import java.net.URL;
import java.util.ResourceBundle;
public class StopController implements Initializable {
@FXML
private TableView<StopLista> tableView;
@FXML
private TableColumn<StopLista, String> dateColumn;
@FXML
private TableColumn<StopLista, String> orderColumn;
@FXML
private TableColumn<StopLista, String> modelColumn;
@FXML
private TableColumn<StopLista, String> changeColumn;
@FXML
private TableColumn<StopLista, String> timeColumn;
@FXML
private TableColumn<StopLista, String> personColumn;
@FXML
private TableColumn<StopLista, String> commentsColumn;
@FXML
TextField dateText;
@FXML
TextField orderText;
@FXML
TextField modelText;
@FXML
TextField changeText;
@FXML
TextField timeText;
@FXML
TextField personText;
@FXML
TextField commentsText;
public StopController() {
}
@Override
public void initialize(URL location, ResourceBundle resources) {
dateColumn.setCellValueFactory(new PropertyValueFactory<StopLista, String>("data"));
orderColumn.setCellValueFactory(new PropertyValueFactory<StopLista, String>("zlecenie"));
modelColumn.setCellValueFactory(new PropertyValueFactory<StopLista, String>("model"));
changeColumn.setCellValueFactory(new PropertyValueFactory<StopLista, String>("zmiana"));
timeColumn.setCellValueFactory(new PropertyValueFactory<StopLista, String>("czas"));
personColumn.setCellValueFactory(new PropertyValueFactory<StopLista, String>("osoba"));
commentsColumn.setCellValueFactory(new PropertyValueFactory<StopLista, String>("uwagi"));
tableView.setItems(addList());
tableView.setEditable(true);
dateColumn.setCellFactory(TextFieldTableCell.forTableColumn());
orderColumn.setCellFactory(TextFieldTableCell.forTableColumn());
modelColumn.setCellFactory(TextFieldTableCell.forTableColumn());
changeColumn.setCellFactory(TextFieldTableCell.forTableColumn());
timeColumn.setCellFactory(TextFieldTableCell.forTableColumn());
personColumn.setCellFactory(TextFieldTableCell.forTableColumn());
commentsColumn.setCellFactory(TextFieldTableCell.forTableColumn());
}
public void addRowToTable() {
StopLista nowyRekord = new StopLista(dateText.getText(), orderText.getText(), modelText.getText(),
changeText.getText(), timeText.getText(), personText.getText(), commentsText.getText());
tableView.getItems().add(nowyRekord);
dateText.clear();
orderText.clear();
modelText.clear();
changeText.clear();
timeText.clear();
personText.clear();
commentsText.clear();
}
public void delateRowTable() {
ObservableList<StopLista> wybranyRekord, wszystkieRekordy;
try {
wszystkieRekordy = tableView.getItems();
if (wszystkieRekordy.size() != 0) {
wybranyRekord = tableView.getSelectionModel().getSelectedItems();
wybranyRekord.forEach(wszystkieRekordy::remove);
}
} catch (Exception e) {
//tabela jest pusta - nic się nie dzieje
}
}
public ObservableList<StopLista> addList() {
ObservableList<StopLista> orderList = FXCollections.observableArrayList();
return orderList;
}
public void editData(TableColumn.CellEditEvent cellEditEvent){
StopLista zmDaty = tableView.getSelectionModel().getSelectedItem();
zmDaty.setData(cellEditEvent.getNewValue().toString());
}
public void editOrder(TableColumn.CellEditEvent cellEditEvent){
StopLista zmZlecenia = tableView.getSelectionModel().getSelectedItem();
zmZlecenia.setZlecenie(cellEditEvent.getNewValue().toString());
}
public void editModel(TableColumn.CellEditEvent cellEditEvent){
StopLista zmModelu = tableView.getSelectionModel().getSelectedItem();
zmModelu.setModel(cellEditEvent.getNewValue().toString());
}
public void editChange(TableColumn.CellEditEvent cellEditEvent){
StopLista zmZmiany = tableView.getSelectionModel().getSelectedItem();
zmZmiany.setZmiana(cellEditEvent.getNewValue().toString());
}
public void editTime(TableColumn.CellEditEvent cellEditEvent){
StopLista zmCzasu = tableView.getSelectionModel().getSelectedItem();
zmCzasu.setCzas(cellEditEvent.getNewValue().toString());
}
public void editPerson(TableColumn.CellEditEvent cellEditEvent){
StopLista zmOsoby = tableView.getSelectionModel().getSelectedItem();
zmOsoby.setOsoba(cellEditEvent.getNewValue().toString());
}
public void editComments(TableColumn.CellEditEvent cellEditEvent){
StopLista zmUwag = tableView.getSelectionModel().getSelectedItem();
zmUwag.setUwagi(cellEditEvent.getNewValue().toString());
}
}
getter设置程序和控制器
package sample.Utils;
import javafx.beans.property.SimpleStringProperty;
public class StopLista {
private SimpleStringProperty data, zlecenie, model, zmiana, czas, osoba, uwagi;
public StopLista(String data, String zlecenie, String model,
String zmiana, String czas, String osoba,
String uwagi) {
this.data = new SimpleStringProperty(data);
this.zlecenie = new SimpleStringProperty(zlecenie);
this.model = new SimpleStringProperty(model);
this.zmiana = new SimpleStringProperty(zmiana);
this.czas = new SimpleStringProperty(czas);
this.osoba = new SimpleStringProperty(osoba);
this.uwagi = new SimpleStringProperty(uwagi);
}
public String getData() {
return data.get();
}
public SimpleStringProperty dataProperty() {
return data;
}
public void setData(String data) {
this.data.set(data);
}
public String getZlecenie() {
return zlecenie.get();
}
public SimpleStringProperty zlecenieProperty() {
return zlecenie;
}
public void setZlecenie(String zlecenie) {
this.zlecenie.set(zlecenie);
}
public String getModel() {
return model.get();
}
public SimpleStringProperty modelProperty() {
return model;
}
public void setModel(String model) {
this.model.set(model);
}
public String getZmiana() {
return zmiana.get();
}
public SimpleStringProperty zmianaProperty() {
return zmiana;
}
public void setZmiana(String zmiana) {
this.zmiana.set(zmiana);
}
public String getCzas() {
return czas.get();
}
public SimpleStringProperty czasProperty() {
return czas;
}
public void setCzas(String czas) {
this.czas.set(czas);
}
public String getOsoba() {
return osoba.get();
}
public SimpleStringProperty osobaProperty() {
return osoba;
}
public void setOsoba(String osoba) {
this.osoba.set(osoba);
}
public String getUwagi() {
return uwagi.get();
}
public SimpleStringProperty uwagiProperty() {
return uwagi;
}
public void setUwagi(String uwagi) {
this.uwagi.set(uwagi);
}
}
有人可以帮助我或演示如何做到吗？
答案 0 :(得分：1)
我创建了一个演示应用程序，该应用程序使用一个按钮打开一个弹出窗口，允许输入新的Persons。它还演示了如何在没有弹出窗口的情况下进行操作。对于删除，我仅显示一种方法。仅当在表中选择了行时，才可以使用删除按钮从表中删除人。我还喜欢使用所选行上的上下文菜单从表中删除。我没有在这里显示。
主要
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
import java.io.IOException;
/**
* JavaFX App
*/
public class App extends Application {
@Override
public void start(Stage stage) {
try {
Parent root = FXMLLoader.load(App.class.getResource("primary.fxml"));
Scene scene = new Scene(root);
stage.setResizable(false);
stage.setTitle("FXML Welcome");
stage.setScene(scene);
stage.show();
} catch (IOException ex) {
ex.printStackTrace();
}
}
public static void main(String[] args) {
launch(args);
}
}
控制器
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.ResourceBundle;
import javafx.beans.binding.Bindings;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Alert.AlertType;
import javafx.scene.control.Button;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.TextField;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class PrimaryController implements Initializable{
@FXML TableView<Person> tvPerson;
@FXML TableColumn<Person, String> tcFirstName, tcLastName;
@FXML Button btnAddNewPerson2;
@FXML TextField tfFirstName, tfLastName;
ObservableList<Person> obsPerson = FXCollections.observableArrayList();
@Override
public void initialize(URL url, ResourceBundle rb) {
tcFirstName.setCellValueFactory(new PropertyValueFactory("firstName"));
tcLastName.setCellValueFactory(new PropertyValueFactory("lastName"));
List<Person> persons = new ArrayList();
persons.add(new Person("John", "Doe"));
persons.add(new Person("Jane", "Doe"));
obsPerson.addAll(persons);
tvPerson.setItems(obsPerson);
//Bind button to the textfields text properties
btnAddNewPerson2.disableProperty().bind(
Bindings.isEmpty(tcFirstName.textProperty())
.or(Bindings.isEmpty(tfLastName.textProperty()))
);
btnAddNewPerson2.setOnAction((actionEvent) -> {
obsPerson.add(new Person(tfFirstName.getText(), tfLastName.getText()));
});
}
@FXML
private void handleBtnAddNewPerson(ActionEvent event){
Stage stage = new Stage();
//Create Nodes to be used in popup
TextField ltfFirstName = new TextField();
ltfFirstName.setPromptText("Enter First Name");
TextField ltfLastName = new TextField();
ltfLastName.setPromptText("Enter Last Name");
Button lbtnAddNewPerson = new Button("Add");
lbtnAddNewPerson.setOnAction((t) -> {
//Handle updating Excel file and tableview here!
obsPerson.add(new Person(ltfFirstName.getText(), ltfLastName.getText()));
});
lbtnAddNewPerson.requestFocus();//Give this button focus
//Bind add button to textfield text property
lbtnAddNewPerson.disableProperty().bind(
Bindings.isEmpty(ltfFirstName.textProperty())
.or(Bindings.isEmpty(ltfLastName.textProperty()))
);
//Use to cancel
Button lbtnCancel = new Button("Cancel");
lbtnCancel.setOnAction((t) -> {
stage.close();
});
VBox root = new VBox(ltfFirstName, ltfLastName, lbtnAddNewPerson, lbtnCancel);
Scene scene = new Scene(root);
stage.setResizable(false);
stage.setTitle("Add New Person");
stage.setScene(scene);
stage.initOwner(((Stage)((Button)event.getSource()).getScene().getWindow()));
stage.showAndWait();
}
@FXML
private void handleBtnDeletePerson(ActionEvent event) {
if(tvPerson.getSelectionModel().getSelectedItem() != null)
{
obsPerson.remove(tvPerson.getSelectionModel().getSelectedItem());
}
else{
Alert alert = new Alert(AlertType.INFORMATION);
alert.setTitle("Information Dialog");
alert.setHeaderText("Look, an Information Dialog");
alert.setContentText("You need to select a Person to delete!");
alert.showAndWait();
}
}
}
FXML
<?import javafx.geometry.Insets?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.TableColumn?>
<?import javafx.scene.control.TableView?>
<?import javafx.scene.control.TextField?>
<?import javafx.scene.layout.HBox?>
<?import javafx.scene.layout.VBox?>
<VBox alignment="CENTER" prefHeight="396.0" prefWidth="619.0" spacing="20.0" xmlns="http://javafx.com/javafx/11.0.1" xmlns:fx="http://javafx.com/fxml/1" fx:controller="sed.test.mavenfxmltestingground.PrimaryController">
<children>
<TableView fx:id="tvPerson" prefHeight="200.0" prefWidth="200.0">
<columns>
<TableColumn fx:id="tcFirstName" prefWidth="290.0" text="First Name" />
<TableColumn fx:id="tcLastName" prefWidth="287.0" text="Last Name" />
</columns>
</TableView>
<Button fx:id="btnAddNewPerson" onAction="#handleBtnAddNewPerson" text="Add New Person" />
<Button fx:id="btnDeletePerson" mnemonicParsing="false" onAction="#handleBtnDeletePerson" text="Delete Person" />
<HBox alignment="CENTER" spacing="10.0">
<children>
<TextField fx:id="tfFirstName" prefWidth="200.0" />
<TextField fx:id="tfLastName" prefWidth="200.0" />
<Button fx:id="btnAddNewPerson2" mnemonicParsing="false" text="Add New Person" />
</children>
</HBox>
</children>
<padding>
<Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
</padding>
</VBox>