java-os.rar_多进程os

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Container; import java.awt.GridLayout; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.FocusEvent; import java.awt.event.FocusListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.ScrollPaneConstants; import javax.swing.border.LineBorder; //import java.awt.event.*; import javax.swing.*; @SuppressWarnings("serial") public class My_Frame extends JFrame implements FocusListener{ JTextArea jta=new JTextArea(); //显示纯文本的多行区域 static JTextField jtf[]=new JTextField[2]; //允许编辑单行文本 static JButton jb[]=new JButton[2]; //按键 Thread_Show ts= new Thread_Show(); //线程 //界面设计 public My_Frame(){ super("模拟多进程共享临界资源"); JLabel jl[]=new JLabel[2]; //标签 for(int i=0;i<jtf.length;i++){ jtf[i]=new JTextField(12); jtf[i].addFocusListener(this); //焦点监听，输入字符 } //设置按钮名称和位置 jl[0]=new JLabel("第一线程的名称 : "); jl[1]=new JLabel("第二线程的名称 : "); jb[0]=new JButton("模拟开始"); jb[1]=new JButton("模拟结束"); Container cont=this.getContentPane(); cont.setLayout(new BorderLayout()); JPanel jp1=new JPanel(); //面板 JPanel jp2=new JPanel(); jp2.setBackground(new Color(255,227,132)); //jp2.setBorder(new LineBorder(new Color(252,230,201),0)); jp1.setLayout(new GridLayout(0,1)); for(int i=0;i<jtf.length;i++){ JPanel temp=new JPanel(); temp.setBackground(new Color(250,255,240)); temp.add(jl[i]); temp.add(jtf[i]); jp1.add(temp); } for(int i=0;i<jb.length;i++) jp2.add(jb[i]); jp1.add(jp2); jp1.setBorder(new LineBorder(new Color(0,0,0),10)); jp1.setBorder(new LineBorder(new Color(252,230,201),10)); cont.setLayout(new BorderLayout()); cont.add(jp1,BorderLayout.NORTH); jta.setEnabled(true); //滚动条 JScrollPane js=new JScrollPane(jta, ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED ); jta.setBorder(new LineBorder(new Color(245,222,179),1)); js.setBorder( new LineBorder(new Color(252,230,201),10)); cont.add(js,BorderLayout.CENTER); this.setSize(335,435);//定义界面大小 this.setDefaultCloseOperation(3); //设置当前界面显示时相对屏幕的位置 this.setLocation(Toolkit.getDefaultToolkit().getScreenSize().width/2-175 , Toolkit.getDefaultToolkit().getScreenSize().height/2-200); this.setResizable(false); this.setVisible(true); //jb1添加监听器 jb[1].addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent arg0){ if(ts.tu1!=null&&ts.tu1.isAlive())ts.tu1.interrupt(); if(ts.tu2!=null&&ts.tu2.isAlive())ts.tu2.interrupt(); System.exit(0); } }); //jb0添加监听器 jb[0].addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent arg0){ for(int i=0;i<jtf.length;i++)jtf[i].setEditable(false); My_Frame.jb[0].setEnabled(false); jta.setText(""); ts.run(jtf[0].getText().trim(),jtf[1].getText().trim(),jta); } }); } public static void main(String ares[]){ new My_Frame(); } public void focusGained(FocusEvent arg0) { //当用户点击文本框时，文本框就把当前内容清空 JTextField jtf=(JTextField)arg0.getSource(); jtf.setText(""); } public void focusLost(FocusEvent arg0) { // TODO 自动生成方法存根 } }