javaFx登陆后切换界面

package com.wei.table; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import com.wei.jdbc.JdbcUtil; import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.control.Label; import javafx.scene.control.PasswordField; import javafx.scene.control.TextField; import javafx.scene.layout.GridPane; import javafx.scene.layout.HBox; import javafx.scene.text.Text; import javafx.stage.Stage; /** * 登陆首页面 * @author wangwei * */ public class LoginWidthCss extends Application { private Connection conn; private PreparedStatement ps; private ResultSet rs; private GridPane grid; public static void main(String[] args) { launch(args); } @Override public void start(final Stage primaryStage) throws Exception { //窗口标题 primaryStage.setTitle("JavaFX 登陆"); //设置面板及布局 grid = new GridPane(); grid.setAlignment(Pos.CENTER); grid.setHgap(10); grid.setVgap(10); grid.setPadding(new Insets(25)); //文本框 Text scenetitle = new Text("Welcome"); scenetitle.setId("welcome-text"); grid.add(scenetitle, 0, 0, 2, 1); //标签 Label userName = new Label("用户名:"); grid.add(userName, 0, 1); //文本输入框 final TextField userTextField = new TextField(); grid.add(userTextField, 1, 1); Label passwd = new Label("密码"); grid.add(passwd, 0, 2); //密码输入框 final PasswordField passwdField = new PasswordField(); grid.add(passwdField, 1, 2); //按钮及按钮布局 Button btn = new Button("登陆"); HBox hbBtn = new HBox(10); hbBtn.setAlignment(Pos.BOTTOM_RIGHT); hbBtn.getChildren().add(btn); grid.add(hbBtn, 1, 4); //点击登陆按钮显示的提示文字 final Text actiontarget = new Text(); actiontarget.setId("actiontarget"); grid.add(actiontarget, 1, 6); //登陆按钮单击事件 btn.setOnAction(new EventHandler<ActionEvent>() { @Override public void handle(ActionEvent arg0) { actiontarget.setText("登陆成功"); grid.setVisible(false); //表格面板 TablePane tp = new TablePane(); //加到场景中 Scene tpScene = new Scene(tp,500,500); //切换舞台场景为表格面板 primaryStage.setScene(tpScene); /* //获取用户名，密码的值 String userName = userTextField.getText(); String passWord = passwdField.getText(); //建立连接查询数据库 conn = JdbcUtil.getConn(); String sql = "select t.*, t.rowid from itcsys_user t where t.usercode='"+userName+"' and t.username='"+passWord+"'"; try { ps = conn.prepareStatement(sql); rs = ps.executeQuery(); if(rs.next()){ actiontarget.setText("登陆成功"); grid.setVisible(false); //表格面板 TablePane tp = new TablePane(); //加到场景中 Scene tpScene = new Scene(tp,500,500); //切换舞台场景为表格面板 primaryStage.setScene(tpScene); }else{ actiontarget.setText("登陆失败"); } } catch (SQLException e) { e.printStackTrace(); }finally{ JdbcUtil.close(rs,ps,conn); }*/ } }); Scene scene = new Scene(grid,300,275); //为场景加入CSS样式 scene.getStylesheets().add(LoginWidthCss.class.getResource("LoginWidthCss.css").toExternalForm()); primaryStage.setScene(scene); primaryStage.show(); } }