我想将盒子阴影应用到div的一半.我在谷歌搜索了很多但是失败了.这是简单框阴影的代码.
<style type="text/css">
div{
width: 200px;
height: 200px;
text-align: center;
background-color: gray;
margin: auto;
font-size: 30px;
box-shadow: 0 100px 5px 5px;
}
</style>
<div>Sometimes by losing a battle you find a new way to win the war.</div>
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编码:
需要:
提前感谢...
我有一个在javafx中开发的简单应用程序.问题是我想删除两个工具栏但却找不到如何做到这一点.在代码中,我将底部工具栏的可见性设置为false.如果您需要回答以获取帮助:顶部工具栏的ID是.top-toolbar,而底部工具栏的ID是.bottom-toolbar.非常感谢您的帮助......这是我的代码.提前致谢.
import javafx.application.Application;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.web.HTMLEditor;
import javafx.stage.Stage;
public class PrivateHistory extends Application {
@Override
public void start(Stage stage) {
stage.setTitle("HTMLEditor Sample");
stage.setWidth(400);
stage.setHeight(300);
final HTMLEditor htmlEditor = new HTMLEditor();
htmlEditor.setPrefHeight(245);
Scene scene = new Scene(htmlEditor);
stage.setScene(scene);
Node node = htmlEditor.lookup(".bottom-toolbar");
node.setVisible(false);
//htmlEditor.setHtmlText("<img src='"+getClass().getResource("ball.png")+"' />");
stage.show();
}
public static void main(String[] args) {
launch(args);
}
}
Run Code Online (Sandbox Code Playgroud) 我想制作一个简单的太空射击游戏,但一开始效果不佳。它的结局将如何?我的代码出了点问题。Runnable 接口的重写 run() 方法不起作用。为什么 run 方法不能正常工作?此外,有关如何射击更多独立子弹的任何信息。这是我的代码。提前致谢。
import java.awt.Color;
import java.awt.Dimension;
import javax.swing.JFrame;
public class GameWindow extends JFrame implements Runnable {
static final int WIDTH = 500;
static final int HEIGHT = 500;
static final String title = "East Game Development";
private boolean running = false;
private Thread thread;
GameWindow() {
setSize(new Dimension(WIDTH, HEIGHT));
getContentPane().setBackground(Color.BLACK);
setMaximumSize(new Dimension(WIDTH, HEIGHT));
setMinimumSize(new Dimension(WIDTH, HEIGHT));
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setTitle(title);
setResizable(false);
setVisible(true);
}
private synchronized void start() {
System.out.println("Debugging start method");
if (running) {
return;
}
running = …
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