loginapp.java

来自「里面所含源码是本人平时做程序的一些实例」· Java 代码 · 共 32 行

package loginInterface;
import java.awt.*;
import javax.swing.*;
public class LoginApp {
	public LoginApp(){
		LoginFrame frame=new LoginFrame();
		Dimension screenSize=Toolkit.getDefaultToolkit().getScreenSize();
		Dimension frameSize=frame.getSize();
		if(frameSize.height>screenSize.height){
			frameSize.height=screenSize.height;
		}
		if(frameSize.width>screenSize.width){
			frameSize.width=screenSize.width;
		}
		//使窗口居中对齐
		frame.setLocation((screenSize.width-frameSize.width)/2,(screenSize.height-frameSize.height)/2);
		//显示窗口
		frame.setVisible(true);
	}
	public static void main(String args[]){
		//定义窗口的显示风格
		try{
			//getSystemLookAndFeelClassName方法表示取得与系统相同的显示风格
			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
		}
		catch(Exception e){
			e.printStackTrace();
		}
		new LoginApp();
	}
}