java模拟火车站售票系统源代码

import java.awt.*; import java.awt.event.*; import java.util.Date; public class SimulateRailwayStation extends Frame implements ActionListener { protected static final int NUM_AGANTS = 10; protected static final int NUM_INITIAL_AGANTS = 6; protected static final int BUSINESS_DELAY = 6000; protected static final int MAX_TRAIN_NUM = 10; protected static final int MAX_NO_CUSTOMERS = 200; private Button addcus = new Button ("添加顾客"); private Button delcus = new Button ("顾客离开"); private Button addagent = new Button ("增加售票窗口"); private Button delagent = new Button ("关闭售票窗口"); protected static String[] train_num = {"南京——北京","南京——上海","南京——镇江", "南京——杭州","南京——四川","南京——无锡","南京——合肥", "南京——乌鲁木齐","南京——天津","南京——徐州"}; protected static int[] tickets = {50,30,10,20,60,20,30,10,60,41}; private RailwayStation railwaystation = new RailwayStation (); private class WindowCloser extends WindowAdapter { public void windowClosing (WindowEvent we) { railwaystation.stop(); System.exit(0); } } public SimulateRailwayStation() { super("Simulate RailwayStation"); Panel buttons = new Panel(); buttons.setLayout(new FlowLayout()); buttons.add(addcus); buttons.add(delcus); buttons.add(addagent); buttons.add(delagent); addcus.addActionListener(this); delcus.addActionListener(this); addagent.addActionListener(this); delagent.addActionListener(this); addWindowListener(new WindowCloser()); setLayout(new BorderLayout()); add("North",railwaystation); add("South",buttons); setSize(500,200); validate(); pack(); setVisible(true); railwaystation.start(); } public void actionPerformed(ActionEvent ae) { if(ae.getSource()==addcus) { railwaystation.generateCustomer(); } else if(ae.getSource()==delcus) { } else if(ae.getSource()==addagent) { railwaystation.addAgent(); } else if(ae.getSource()==delagent) { railwaystation.retireAgent(); } } public static void main(String[] args) { SimulateRailwayStation smlt = new SimulateRailwayStation(); } } class RailwayStation extends Panel implements Runnable { protected Agent[] agent = new Agent[SimulateRailwayStation.NUM_AGANTS]; protected Label[] labelAgent = new Label[SimulateRailwayStation.NUM_INITIAL_AGANTS]; protected Label labelQueue = new Label("正在等待的顾客数：0"); protected Label labelServed = new Label("已经服务的顾客数：0"); protected int numAgents = SimulateRailwayStation.NUM_INITIAL_AGANTS; public static int numCustomerServered = 0; private Thread thread = null; public RailwayStation() { setup("各窗口实时状态显示："); } private void setup(String title) { Panel agentPanel = new Panel(); agentPanel.setLayout(new GridLayout(SimulateRailwayStation.NUM_AGANTS,1)); for(int i=0;i<SimulateRailwayStation.NUM_AGANTS;i++) { if(i<SimulateRailwayStation.NUM_INITIAL_AGANTS) { labelAgent[i]=new Label("窗口"+i+":空闲..."); agentPanel.add(labelAgent[i]); agent[i]=new Agent(i); agent[i].start(); } else { labelAgent[i]=new Label("窗口"+i+"：暂停服务！"); agentPanel.add(labelAgent[i]); } } Panel otherPanel = new Panel(); otherPanel.setLayout(new GridLayout(2,1)); otherPanel.add(labelQueue); otherPanel.add(labelServed); setLayout(new BorderLayout()); add("South",agentPanel); add("Center",otherPanel); add("North",new Label(title)); } public void start() { if(thread==null) { thread = new Thread(this); thread.start(); } } public void run() { while(true) { this.updateDisplay(); } } public void updateDisplay() { int totalSize = 0; for(int i=0;i<numAgents;i++) { if(agent[i].getCIdOfHandling()!=0) { totalSize+=agent[i].getCusCountOfQueue(); String s = "窗口"+(i+1)+"；正在办理顾客"+agent[i].getCIdOfHandling()+"业务"; if(agent[i].getCusCountOfQueue()>0) labelAgent[i].setText(s+"["+agent[i].getCusOfQueue()+"正在等待"); else labelAgent[i].setText(s); } else { labelAgent[i].setText("窗口"+(i+1)+"：空闲中..."); } } for(int i=numAgents;i<SimulateRailwayStation.NUM_AGANTS;i++) { labelAgent[i].setText("窗口"+(i+1)+"：暂停服务！"); } labelQueue.setText("正在等待的顾客数："+totalSize); labelServed.setText("已经服务的顾客数："+numCustomerServered); } public void stop() { thread = null; for(int i=0;i<numAgents;i++) { agent[i].halt(); } } public void addAgent() { if(numAgents<SimulateRailwayStation.NUM_AGANTS) { agent[numAgents] = new Agent(numAgents); agent[numAgents].start(); numAgents++; } } public void retireAgent() { if(numAgents>1) { agent[numAgents-1].halt(); numAgents--; } } public void generateCustomer() { boolean allAgentQueueHasOne = true; for(int i=0;i<numAgents;i++) { if(agent[i].getCIdOfHandling()==0&&agent[i].getCusCountOfQueue()==0) { agent[i].joinNewCustomer(new Customer()); allAgentQueueHasOne = false; break; } } if(allAgentQueueHasOne) { int index = 0; for(int i=0;i<numAgents;i++) { if(agent[i].getCusCountOfQueue()<agent[index].getCusCountOfQueue()) { index=i; } } agent[index].joinNewCustomer(new Customer()); } } } class Agent extends Panel implements Runnable { private boolean running = false; private int ID = -1; private int numCustomers = 0; private int handlingCId = 0; private List customersofqueue = new List(); private List customersofhandled = new List(); private Label labelHandling = new Label(); private Label labelThisQueue = new Label(); private Thread thread = null; public Agent(int ID) { this.ID=ID; } public void start() { if(thread==null) { running=true; thread=new Thread(this); thread.start(); } } public void halt() { running=false; } public int getCIdOfHandling() { return handlingCId; } public Customer requestCustomerFor() { if(customersofqueue.getSize()>0) { Customer c= (Customer)customersofqueue.get(0); customersofqueue.delete(0); return c; } else { return null; } } public int getCusCountOfHandled() { return numCustomers