javafx显示多个窗口以及javafx多窗口之间数据交互传输项目原文件

package control; import java.net.URL; import java.util.ResourceBundle; import javafx.event.ActionEvent; import javafx.fxml.FXML; import javafx.fxml.FXMLLoader; import javafx.fxml.Initializable; import javafx.scene.Parent; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.stage.Stage; import util.StageManager; public class SecondControl implements Initializable { @FXML private Button btnOpenThrid; @FXML private Button btnCloseThis; //普通的字符串,不过这里用于将该数据发送到第一个窗口 private String tranDataToIndex; @Override public void initialize(URL location, ResourceBundle resources) { // TODO Auto-generated method stub } /** * 打开第三个窗口 * @param event * @throws Exception */ public void openThrid(ActionEvent event) throws Exception { Stage stage=new Stage(); Parent root; root = FXMLLoader.load(Thread.currentThread().getContextClassLoader().getResource("Thrid.fxml")); stage.setTitle("第三个窗口"); stage.setScene(new Scene(root)); stage.show(); //将第二个窗口保存到map中 StageManager.STAGE.put("thrid", stage); //将本窗口保存到map中 StageManager.CONTROLLER.put("secondControl", this); } /** * 关闭当前窗口 * @param event */ public void closeThis(ActionEvent event) { if (this.tranDataToIndex!=null) { IndexControl index=(IndexControl) StageManager.CONTROLLER.get("indexControl"); this.tranDataToIndex="第三个窗口"; index.txtData.setText("来自second:"+this.tranDataToIndex); } StageManager.STAGE.get("second").close(); //删除map中的引用 StageManager.STAGE.remove("second"); StageManager.CONTROLLER.remove("indexControl"); } //--------------get/set--------------- public String getTranDataToIndex() { return tranDataToIndex; } public void setTranDataToIndex(String tranDataToIndex) { this.tranDataToIndex = tranDataToIndex; } }