start.java

实现简单的远程监控

package console;

import java.awt.*;

import javax.swing.*;
import java.awt.Rectangle;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class Start extends JFrame {
    private String ipAddress;
    JLabel jLabel1 = new JLabel();
    JTextField jTextField1 = new JTextField();
    JButton jButton1 = new JButton();
    public Start() {
        try {
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        getContentPane().setLayout(null);
        jLabel1.setText("IP地址：");
        jLabel1.setBounds(new Rectangle(9, 14, 48, 29));
        this.getContentPane().add(jLabel1);
        jButton1.setBounds(new Rectangle(52, 61, 127, 27));
        jButton1.setToolTipText("");
        jButton1.setText("连接");
        this.getContentPane().add(jTextField1);
        this.getContentPane().add(jButton1);
        jTextField1.setToolTipText("");
        jTextField1.setBounds(new Rectangle(57, 21, 132, 20));
        jButton1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if (ipAddressCheck(jTextField1.getText().trim())) {
                    ipAddress = jTextField1.getText().trim();
                    new Snap(ipAddress);
                    dispose();
                }
                else
                {
                    jTextField1.setText("");
                }

            }
        });

        this.setSize(230,120);
        this.setVisible(true);

    }

    public boolean ipAddressCheck(String str) {
        int l = str.length();
        int i = 0;
        int pointCounet = 0;

        if (l == 0) {
            return false;
        } while (i <= l - 1) {
            if (str.charAt(i) == '.') {
                pointCounet++;
            }
            i++;
        }
        if (pointCounet == 3) {
            return true;
        }
        return false;

    }

    public static void main(String[] args) {
        Start start = new Start();
    }


}