luiyanb.java

JAVA数据编程的应用

import java.awt.*;
import java.awt.event.*;
import java.lang.String;
public class LuiYanB{
	Frame fc=new Frame("留言簿窗口");
	private Label lb[]=new Label[5];
	private TextField tf[]=new TextField[3];
	private TextArea ta=new TextArea(5,30);
	private Button btn[]=new Button[2];
	private Panel pl;
	public Font f=new Font("宋体",Font.BOLD,14);
	public String nameStr,emailStr,titleStr,contentStr;
	LuiYanB(){
		pl=new Panel(new GridLayout(6,1));
		lb[1]=new Label("姓名:");
		pl.add(lb[1]);
		tf[0]=new TextField(12);
		pl.add(tf[0]);
		lb[2]=new Label("Email:");
		pl.add(lb[2]);
		tf[1]=new TextField(20);
		pl.add(tf[1]);
		lb[3]=new Label("主题");
		pl.add(lb[3]);
		tf[2]=new TextField(20);
		pl.add(tf[2]);
		lb[4]=new Label("留言");
		pl.add(lb[4]);
		pl.add(ta);
		btn[0]=new Button("提交留言");
		pl.add(btn[0]);
		btn[1]=new Button("清除");
		pl.add(btn[1]);
		
		fc.add(pl);
		fc.setFont(f);
		fc.setSize(300,150);
		fc.setBackground(Color.cyan);
    	fc.setForeground(Color.blue);
		fc.setResizable(false);
		fc.setLocation(200,150);
		fc.setVisible(true);
		//把文本框中的内容取出赋给变量
		btn[0].addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				if(e.getSource()==btn[0]){
					nameStr=tf[0].getText();
					emailStr=tf[1].getText();
					titleStr=tf[2].getText();
					contentStr=ta.getText();
					DisplayLuiYan dly=new DisplayLuiYan(nameStr,emailStr,titleStr,contentStr);
					//Dispose();
				}
			}
		});
		//清空文本框中的内容
		btn[1].addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				tf[0].setText("");
				tf[1].setText("");
				tf[2].setText("");
				ta.setText("");
			}
		});
		//关闭窗口
		fc.addWindowListener(new WindowAdapter()
		{
			public void windowClosing(WindowEvent e){
				e.getWindow().dispose();
				//System.exit(0);
			}
		});
	}
	//public static void main(String[] args){
	//	new LuiYanB();
	//}
}