JavaFX TableView 使用 显示数据 增加 添加 删除 修改 更新 数据

博客介绍了类Data2的推荐用法,为相关信息技术应用提供参考。

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推荐用法

package fx.com;

import javafx.application.Application;
import javafx.beans.Observable;
import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.image.Image;
import javafx.scene.layout.AnchorPane;
import javafx.stage.Stage;
import javafx.util.Callback;

public class Main4 extends Application {
    public static void main(String[] args) {
        Application.launch(Main4.class,args);
    }

    @Override
    public void start(Stage primaryStage) throws Exception {
        Data2 d1= new Data2("A",15,70,true);
        Data2 d2= new Data2("B",15,11,false);
        Data2 d3= new Data2("C",18,100,true);
        Data2 d4= new Data2("D",20,52,true);


        ObservableList<Data2> list = FXCollections.observableArrayList();

        //监听列表被改变
//        ObservableList<Data2> list = FXCollections.observableArrayList(new Callback<Data2, Observable[]>() {
//            @Override
//            public Observable[] call(Data2 param) {
//                System.out.println(param.getAgeProperty());
//                return new Observable[0];
//            }
//        });
        list.addAll(d1,d2,d3,d4);
        TableView<Data2> tableView = new TableView<>(list);
        TableColumn<Data2,String> tc_name = new TableColumn<>("姓名");
        tc_name.setCellValueFactory(new Callback<TableColumn.CellDataFeatures<Data2, String>, ObservableValue<String>>() {
            @Override
            public ObservableValue<String> call(TableColumn.CellDataFeatures<Data2, String> param) {
                return param.getValue().getNameProperty();
            }
        });

        TableColumn<Data2,Number> tc_age = new TableColumn<>("年龄");
        tc_age.setCellValueFactory(new Callback<TableColumn.CellDataFeatures<Data2, Number>, ObservableValue<Number>>() {
            @Override
            public ObservableValue<Number> call(TableColumn.CellDataFeatures<Data2, Number> param) {
                return param.getValue().getAgeProperty();
            }
        });

        TableColumn<Data2,Number> tc_score = new TableColumn<>("分数");
        tc_score.setCellValueFactory(new Callback<TableColumn.CellDataFeatures<Data2, Number>, ObservableValue<Number>>() {
            @Override
            public ObservableValue<Number> call(TableColumn.CellDataFeatures<Data2, Number> param) {
                return param.getValue().getScoreProperty();
            }
        });
        TableColumn<Data2,Boolean> tc_is = new TableColumn<>("is");
        tc_is.setCellValueFactory(new Callback<TableColumn.CellDataFeatures<Data2, Boolean>, ObservableValue<Boolean>>() {
            @Override
            public ObservableValue<Boolean> call(TableColumn.CellDataFeatures<Data2, Boolean> param) {
                return param.getValue().getIsProperty();
            }
        });


        tableView.getColumns().addAll(tc_name,tc_age,tc_score,tc_is);

        Button button = new Button("button");
        AnchorPane anchorPane = new AnchorPane();
        anchorPane.setTopAnchor(tableView,100.0);
        anchorPane.setLeftAnchor(tableView,100.0);
        anchorPane.getChildren().addAll(button,tableView);
        Scene scene = new Scene(anchorPane);
        primaryStage.setScene(scene);
        primaryStage.setWidth(800);
        primaryStage.setHeight(800);
        primaryStage.setTitle("网格布局");
        primaryStage.getIcons().add(new Image("http://www.haotuo.net.cn/Resources/cq/qunlogo.png"));
        primaryStage.show();


        button.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent event) {
                //增加
                tableView.getItems().add(new Data2("小李",77,55,false));
                //删除
                tableView.getItems().remove(0);
                //改
                tableView.getItems().set(2,new Data2("小的",22,0,true));
                d1.setAge(1);

            }
        });

    }
}

类Data2

package fx.com;

import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.property.SimpleStringProperty;

public class Data2 {
    private SimpleStringProperty name = new SimpleStringProperty();
    private SimpleIntegerProperty age = new SimpleIntegerProperty();
    private SimpleDoubleProperty score = new SimpleDoubleProperty();
    private SimpleBooleanProperty is = new SimpleBooleanProperty(    );

    public Data2(String name, int age, double score, boolean is) {
        this.name.set(name);
        this.age.set(age);
        this.score.set(score);
        this.is.set(is);
    }

    public Data2() {

    }

    public String getName() {
        return name.get();
    }

    public SimpleStringProperty nameProperty() {
        return name;
    }

    public void setName(String name) {
        this.name.set(name);
    }

    public int getAge() {
        return age.get();
    }

    public SimpleIntegerProperty ageProperty() {
        return age;
    }

    public void setAge(int age) {
        this.age.set(age);
    }

    public double getScore() {
        return score.get();
    }

    public SimpleDoubleProperty scoreProperty() {
        return score;
    }

    public void setScore(double score) {
        this.score.set(score);
    }

    public boolean isIs() {
        return is.get();
    }

    public SimpleBooleanProperty isProperty() {
        return is;
    }

    public void setIs(boolean is) {
        this.is.set(is);
    }
    public SimpleStringProperty getNameProperty(){
        return  this.name;
    }
    public SimpleIntegerProperty getAgeProperty(){
        return  this.age;
    }
    public SimpleDoubleProperty getScoreProperty(){
        return  this.score;
    }
    public SimpleBooleanProperty getIsProperty(){
        return  this.is;
    }
}

 

 

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