JavaFX 文本框获取焦点 requestFocus

Controller

package controller;

import com.jfoenix.controls.JFXTextField;
import javafx.application.Platform;
import javafx.fxml.Initializable;
import javafx.util.Callback;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.io.IOException;
import java.net.URL;
import java.util.ResourceBundle;

/**
 * @author ZhouYu
 * @since 0.0.1
 */
@Slf4j
@Component
public class NavigationController implements Initializable {
    // JFXTextField 来自三方组件库 jfoenix
    @FXML
    private JFXTextField commandTextField;

    @Override
    public void initialize(final URL location, final ResourceBundle resources) {

        Platform.runLater(new Runnable() {
            @Override
            public void run() {
		// 该文本框在界面初始化时获取焦点
                commandTextField.requestFocus();
            }
        });
    }
}

• requestFocus() 是来自抽象类 Node 的一个方法