Java基礎 awt Frame 設置窗體的大小位置可見性

時間 2019-11-06

標籤 java 基礎 awt frame 設置窗體大小位置可見欄目 Java 简体版

原文原文鏈接

JDK ：OpenJDK-11

OS ：CentOS 7.6.1810

IDE ：Eclipse 2019‑03

typesetting ：Markdown

code

package per.jizuiku.gui;

import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Point;

/**
 * @author 給最苦
 * @date 2019/06/30
 * @blog www.cnblogs.com/jizuiku
 */
public class Demo {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // 建立窗體對象 至關於 建立了一個線程
        Frame f = new Frame();

        // 設置窗體的標題
        // Frame(String title) 能夠經過構造函數來設置
        f.setTitle("第一個窗口程序");

        // 設置窗體的大小,單位是像素
        int width = 400;
        int height = 500;
        Dimension d = new Dimension(width, height);
        f.setSize(d);

        // 設置窗體出現的位置
        int x = 300;
        int y = 200;
        Point p = new Point(x, y);
        f.setLocation(p);

        // f.setBounds(x, y, width, height);
        // 能夠經過這個函數 一次性設置窗口的位置和大小s

        // 讓窗體顯示出來
        f.setVisible(true);

    }

}

result

sourceCode

/**
    * {@inheritDoc}
    * <p>
    * The {@code d.width} and {@code d.height} values
    * are automatically enlarged if either is less than
    * the minimum size as specified by previous call to
    * {@code setMinimumSize}.
    * <p>
    * The method changes the geometry-related data. Therefore,
    * the native windowing system may ignore such requests, or it may modify
    * the requested data, so that the {@code Window} object is placed and sized
    * in a way that corresponds closely to the desktop settings.
    *
    * @see #getSize
    * @see #setBounds
    * @see #setMinimumSize
    * @since 1.6
    */
public void setSize(Dimension d) {
    super.setSize(d);
}

/**
    * {@inheritDoc}
    * <p>
    * The method changes the geometry-related data. Therefore,
    * the native windowing system may ignore such requests, or it may modify
    * the requested data, so that the {@code Window} object is placed and sized
    * in a way that corresponds closely to the desktop settings.
    */
@Override
public void setLocation(Point p) {
    super.setLocation(p);
}