word.java~39~

java编程100例

package pass;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import com.borland.jbcl.layout.*;
import javax.swing.*;

public class word extends Applet {
  boolean isStandalone = false;
  XYLayout xYLayout1 = new XYLayout();
  JPasswordField pass = new JPasswordField();
  JTextField name = new JTextField();
  JLabel l1 = new JLabel();
  JLabel l2 = new JLabel();
  JButton b1 = new JButton();
  Label label1 = new Label();
  /**Get a parameter value*/
  public String getParameter(String key, String def) {
    return isStandalone ? System.getProperty(key, def) :
      (getParameter(key) != null ? getParameter(key) : def);
  }

  /**Construct the applet*/
  public word() {
  }
  /**Initialize the applet*/
  public void init() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception {
    pass.setFont(new java.awt.Font("Dialog", 0, 16));
    pass.setToolTipText("");
    this.setLayout(xYLayout1);
    name.setFont(new java.awt.Font("SansSerif", 0, 16));
    l1.setFont(new java.awt.Font("Dialog", 0, 16));
    l1.setText("姓名");
    l2.setFont(new java.awt.Font("Dialog", 0, 16));
    l2.setText("密码");
    b1.setFont(new java.awt.Font("Dialog", 0, 16));
    b1.setText("确定");
    b1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        b1_actionPerformed(e);
      }
    });
    label1.setFont(new java.awt.Font("Dialog", 0, 20));
    this.add(name,      new XYConstraints(120, 70, 109, 34));
    this.add(pass,    new XYConstraints(120, 109, 109, 34));
    this.add(l1,  new XYConstraints(67, 70, 72, 31));
    this.add(l2, new XYConstraints(67, 109, 76, 30));
    this.add(b1, new XYConstraints(158, 165, 71, 31));
    this.add(label1,  new XYConstraints(86, 220, 191, 39));
  }
  /**Get Applet information*/
  public String getAppletInfo() {
    return "Applet Information";
  }
  /**Get parameter info*/
  public String[][] getParameterInfo() {
    return null;
  }

  void b1_actionPerformed(ActionEvent e) {
    if(  (name.getText()).equals("j")
          &&String.valueOf((pass.getPassword())).equals("j") ){
      name.setText("");
      pass.setText("");
      label1.setText("密码验证正确！");
    }
    else
      label1.setText("密码验证有误！");
  }


}