Question

这是我的程序来创建wifi ...我还没有完成它，但看看启动方法...并启动按钮actionlistener ...我在运行中遇到问题＆＃34; netsh wlan start hostednetwork＆＃34;命令通过提升的命令提示...请帮助，因为我在java.lang.process中的经验非常少，我需要完成我的项目的代码......

它给了我输出 - ＆＃34;退出值是1＆＃34;

import java.awt.*;
import java.lang.ProcessBuilder;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.util.Arrays;
public class create implements ActionListener{


    JFrame frame;
    JFrame frame2;
    //for frame
    JButton button1;
    JButton button2;
    JButton button3;
    JPanel panel1;
    JPanel panel2;
    JLabel label1;
    JLabel label2;
    JLabel label3;
    //for frame2
    JPanel panel3;
    JTextField name;
    JPasswordField pass;
    JButton okbutton;
    JLabel namelabel;
    JLabel passlabel;

    cmdstuff cmdobj;
    public static void main(String args[]){
        create mainObj=new create();
        mainObj.go();
    }

    public void go(){
        frame=new JFrame("WiFi");
        frame2=new JFrame("Customize");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(300,175);

        button1=new JButton("Customize");
        button2=new JButton("Start");
        button3=new JButton("Stop");
        button2.setAlignmentX(Component.CENTER_ALIGNMENT);
        button3.setAlignmentX(Component.CENTER_ALIGNMENT);
        button1.setAlignmentX(Component.CENTER_ALIGNMENT);

        panel1=new JPanel();
        panel2=new JPanel();

        label1=new JLabel("Status:");
        label2=new JLabel("Click from above button to change status");
        label3=new JLabel("Just click on the button and see it done:");

        frame.getContentPane().add(BorderLayout.NORTH,label3);

        panel1.add(button1);
        panel1.add(button2);
        panel1.add(button3);
        panel1.setLayout(new BoxLayout(panel1,BoxLayout.Y_AXIS));

        panel2.add(label1);
        panel2.add(label2);
        panel2.setLayout(new BoxLayout(panel2,BoxLayout.Y_AXIS));

        frame.getContentPane().add(BorderLayout.CENTER,panel1);
        frame.getContentPane().add(BorderLayout.SOUTH,panel2);
        frame.setVisible(true);

        //frame2
        panel3 =new JPanel();
        name=new JTextField(10);
        pass=new JPasswordField(10);
        okbutton=new JButton("OK");
        namelabel=new JLabel("Your Wifi Hostspot's Name:      ");
        passlabel=new JLabel("Your Wifi Hostspot's Password:");


        //namelabel.setLabelFor(name);
        //passlabel.setLabelFor(pass);
        FlowLayout flow=new FlowLayout();
        panel3.setLayout(flow);
        panel3.add(namelabel);
        panel3.add(name);
        panel3.add(passlabel);
        panel3.add(pass);

        frame2.getContentPane().add(BorderLayout.NORTH,new JLabel("Enter the details and click ok:"));
        frame2.getContentPane().add(BorderLayout.CENTER,panel3);
        frame2.getContentPane().add(BorderLayout.SOUTH,okbutton);
        frame2.setSize(400,150);
        //actionlisener setting
        button1.addActionListener(this);
        button2.addActionListener(this);
        button3.addActionListener(this);
        okbutton.addActionListener(this);
        //button1.addActionListener(this);

    }
    //start wifi method

    public void start() throws IOException{
          String[] command = {"CMD","runas /user:Akshay\\administrator cmd", "netsh wlan start hostednetwork"};
            ProcessBuilder probuilder = new ProcessBuilder( command );

            Process process = probuilder.start();

            //Read out dir output
            InputStream is = process.getInputStream();
            InputStreamReader isr = new InputStreamReader(is);
            BufferedReader br = new BufferedReader(isr);
            String line;
            System.out.printf("Output of running %s is:\n",
                    Arrays.toString(command));
            while ((line = br.readLine()) != null) {
                System.out.println(line);
            }

            //Wait to get exit value
            try {
                int exitValue = process.waitFor();
                System.out.println("\n\nExit Value is " + exitValue);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }


    //action performed
    public void actionPerformed(ActionEvent e){
        if(e.getActionCommand()=="Customize")
            {frame2.setVisible(true);

            }

        else if(e.getActionCommand()=="OK")
            {frame2.setVisible(false);
            String wifiname=name.getText();
            String wifipass=pass.getText();
            System.out.println(wifiname);
            System.out.println(wifipass);
            }
        else if(e.getActionCommand()=="Start")
        {
        try{
        create secObj=new create();
        secObj.start();
        }catch(Exception i){
        };
        }


        else if(e.getActionCommand()=="Stop")
            {System.out.println("stop pressed");}
        else
            ;
    }
}

Answer 1

虽然我现在不在Windows上并且无法对此进行测试，但我认为只有一个问题就是在cmd中运行命令，您需要说

cmd /C my-command

你还没有得到/ C.但是，我不知道你在该命令中使用cmd的原因; How to run exec from Java for netsh?没有，但它没有解释它如何获得所需的权限。 Elevating a ProcessBuilder process via UAC?确实描述了如何获得所需的权限。

Wifi主机程序无法正常工作（提升cmd和运行命令）（java）

1 个答案: