java swing图标_Java Swing 之查看图标信息

/**

*查看图标的信息

[email protected] gao

*/

package com.gao;

import java.awt.FlowLayout;

import javax.swing.ImageIcon;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.border.EmptyBorder;

public class ImageInfoDemo extends JFrame{

public ImageInfoDemo (){

this.setTitle("查看图标信息");

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.setBounds(100, 100, 300, 150);

JPanel contentPane=new JPanel();

contentPane.setBorder(new EmptyBorder(5,5,5,5));

this.setContentPane(contentPane);

contentPane.setLayout(new FlowLayout(FlowLayout.CENTER,5,5));

JLabel label=new JLabel("");

ImageIcon icon=new ImageIcon("1.png");

label.setIcon(icon);

StringBuilder sb=new StringBuilder();

sb.append("图标宽度："+icon.getIconWidth()+",");

sb.append("图标高度："+icon.getIconHeight());

label.setText(sb.toString());

contentPane.add(label);

this.setVisible(true);

}

public static void main(String []args){

ImageInfoDemo example=new ImageInfoDemo();

}

}

/** *查看图标的信息 [email protected] gao */ package com.gao; import java.awt.FlowLayout; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; public class ImageInfoDemo extends JFrame{ public ImageInfoDemo (){ this.setTitle("查看图标信息"); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setBounds(100, 100, 300, 150); JPanel contentPane=new JPanel(); contentPane.setBorder(new EmptyBorder(5,5,5,5)); this.setContentPane(contentPane); contentPane.setLayout(new FlowLayout(FlowLayout.CENTER,5,5)); JLabel label=new JLabel(""); ImageIcon icon=new ImageIcon("1.png"); label.setIcon(icon); StringBuilder sb=new StringBuilder(); sb.append("图标宽度："+icon.getIconWidth()+","); sb.append("图标高度："+icon.getIconHeight()); label.setText(sb.toString()); contentPane.add(label); this.setVisible(true); } public static void main(String []args){ ImageInfoDemo example=new ImageInfoDemo(); } }

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