要求：
有三個專家，病人可以根據自己的實際情況選擇相應的專家，專家通過點擊按鈕選擇下一個病人。
程序代碼如下：
//封裝病人類
package com.dr.hospitalQueueSystem;
import java.util.LinkedList;
import java.util.Queue;
public class Patient {
private int num;
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
public Patient(int num,String name)
{
this.setName(name);
this.setNum(num);
}
}
//封裝專家類
package com.dr.hospitalQueueSystem;
import java.util.LinkedList;
import java.util.Queue;
public class Professor {
private String name;
private int id;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.setName(name);
}
public Professor(String name,int id)
{
this.name=name;
this.id=id;
}
}
//掛號服務器
package com.dr.hospitalQueueSystem;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import java.util.Queue;
public class HospitalQueueServer {
Map<Integer,Queue<Patient>> map=new HashMap<Integer,Queue<Patient>>();
Queue<Patient> patientList1=new LinkedList<Patient>();
Queue<Patient> patientList2=new LinkedList<Patient>();
Queue<Patient> patientList3=new LinkedList<Patient>();
public void Init()
{
//實例化三個專家
Professor pfr1=new Professor("張三",1);
Professor pfr2=new Professor("李四",2);
Professor pfr3=new Professor("王五",3);
//實例化15個病人,并將他們每五個添加到三個專家所對應的集合隊列中
patientList1.offer(new Patient(1, "成龍"));
patientList1.offer(new Patient(2, "李小龍"));
patientList1.offer(new Patient(3, "大S"));
patientList1.offer(new Patient(4, "郭富城"));
patientList1.offer(new Patient(5, "小S"));
patientList2.offer(new Patient(6, "劉德華"));
patientList2.offer(new Patient(7, "林心如"));
patientList2.offer(new Patient(8, "張靜初"));
patientList2.offer(new Patient(9, "王寶強"));
patientList2.offer(new Patient(10, "李連杰"));
patientList3.offer(new Patient(11, "大傻"));
patientList3.offer(new Patient(12, "張國榮"));
patientList3.offer(new Patient(13, "周星馳"));
patientList3.offer(new Patient(14, "趙薇"));
patientList3.offer(new Patient(15, "周迅"));
//將各個專家與他們對應的病人集合進行鍵值對
map.put(pfr1.getId(), patientList1);
map.put(pfr2.getId(), patientList2);
map.put(pfr3.getId(), patientList3);
}
}
//病人使用端
package com.dr.hospitalQueueSystem;
import java.util.Queue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class PatientQueueUI {
public static void main(String args[])
{
Display display=new Display();
Shell shell=new Shell(display);
shell.setMaximized(true);
//初始化界面
shell.setText("醫院病人掛號使用系統");
//服務器初始化
HospitalQueueServer hq=new HospitalQueueServer();
hq.Init();
final Queue<Patient> patientList1=hq.map.get(1);
final Queue<Patient> patientList2=hq.map.get(2);
final Queue<Patient> patientList3=hq.map.get(3);
//添加標簽控件
Label label=new Label(shell,SWT.NONE);
label.setFont(new Font(display,"宋體",15,SWT.BOLD));
label.setBounds(450,100,600,100);
label.setText("想要選擇那位專家為你看病，請點擊相應專家的姓名按鈕！");
//添加三個文本框
final Text text1=new Text(shell,SWT.WRAP);
text1.setBounds(100,250,250,200);
final Text text2=new Text(shell,SWT.WRAP);
text2.setBounds(550,250,250,200);
final Text text3=new Text(shell,SWT.WRAP);
text3.setBounds(900,250,250,200);
//添加按鈕1
Button button1=new Button(shell,SWT.Activate);
button1.setBounds(150,520,120,60);
button1.setText("1號專家張三");
//添加按鈕2
Button button2=new Button(shell,SWT.Activate);
button2.setBounds(600,520,120,60);
button2.setText("2號專家李四");
//添加按鈕3
Button button3=new Button(shell,SWT.Activate);
button3.setBounds(960,520,120,60);
button3.setText("3號專家王五");
//為按鈕1添加事件處理，事件處理內容為“讀取病人的id和姓名，并將此病人添加到相應專家的對立中”
button1.addSelectionListener(new SelectionAdapter(){
public void widgetSelected(SelectionEvent e)
{
Patient pt=new Patient(patientList1.size()+1,"***");
patientList1.offer(pt);
text1.setText(pt.getNum()+"號病人，歡迎選擇1號專家為你坐診，請在等候區等候，會有工作人員通過廣播通知你什么時候去看病");
}
});
//為按鈕2添加事件處理
button2.addSelectionListener(new SelectionAdapter(){
public void widgetSelected(SelectionEvent e)
{
Patient pt=new Patient(patientList2.size()+1,"****");
patientList2.offer(pt);
text2.setText(pt.getNum()+"號病人，歡迎選擇2號專家為你坐診，請在等候區等候，會有工作人員通過廣播通知你什么時候去看病");
}
});
//為按鈕3添加事件處理
button3.addSelectionListener(new SelectionAdapter(){
public void widgetSelected(SelectionEvent e)
{
Patient pt=new Patient(patientList3.size()+1,"****");
patientList3.offer(pt);
text3.setText(pt.getNum()+"號病人,歡迎選擇3號專家為你坐診，請在等候區等候，會有工作人員通過廣播通知你什么時候去看病");
}
});
shell.layout();
shell.open();
while(!shell.isDisposed())
{
if(!display.readAndDispatch()){
display.sleep();
}
}
}
}
**************************************************************************
程序運行結果如下：
//專家使用端
package com.dr.hospitalQueueSystem;
import java.util.Queue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class ProfessorUI {
public static void main(String args[])
{
final Display display = Display.getDefault();
final Shell shell = new Shell();
shell.setMaximized(true);
//初始化界面
shell.setText("專家使用系統端");
//服務器初始化
HospitalQueueServer hq=new HospitalQueueServer();
hq.Init();
final Queue<Patient> qp1=hq.map.get(1);
final Queue<Patient> qp2=hq.map.get(2);
final Queue<Patient> qp3=hq.map.get(3);
//添加文本控件
final Text text1=new Text(shell,SWT.WRAP);
text1.setBounds(100,250,250,200);
text1.setFont(new Font(display,"宋體",15,SWT.BOLD));
final Text text2=new Text(shell,SWT.WRAP);
text2.setFont(new Font(display,"宋體",15,SWT.BOLD));
text2.setBounds(550,250,250,200);
final Text text3=new Text(shell,SWT.WRAP);
text3.setFont(new Font(display,"宋體",15,SWT.BOLD));
text3.setBounds(900,250,250,200);
//添加按鈕1
Button button1=new Button(shell,SWT.Activate);
button1.setBounds(150,520,120,60);
button1.setText("張三:下一個");
//添加按鈕2
Button button2=new Button(shell,SWT.Activate);
button2.setBounds(600,520,120,60);
button2.setText("李四:下一個");
Button button3=new Button(shell,SWT.Activate);
button3.setBounds(960,520,120,60);
button3.setText("王五:下一個");
//為按鈕1添加事件處理，事件處理內容為“讀取病人的id和姓名，并將此病人添加到相應專家的對立中”
button1.addSelectionListener(new SelectionAdapter(){
public void widgetSelected(SelectionEvent e)
{
Patient pt=qp1.poll();
if(pt!=null)
{
text1.setText(pt.getName()+"請進來");
}
else
{
text1.setText("暫時沒有病人了，您先休息會兒");
}
}
});
//為按鈕2添加事件處理
button2.addSelectionListener(new SelectionAdapter(){
public void widgetSelected(SelectionEvent e)
{
Patient pt=qp2.poll();
if(pt!=null)
{
text2.setText(pt.getName()+"請進來");
}
else
{
text2.setText("暫時沒有病人了，您先休息會兒");
}
}
});
//為按鈕3添加事件處理
button3.addSelectionListener(new SelectionAdapter(){
public void widgetSelected(SelectionEvent e)
{
Patient pt=qp3.poll();
if(pt!=null)
{
text3.setText(pt.getName()+"請進來");
}
else
{
text3.setText("暫時沒有病人了，您先休息會兒");
}
}
});
shell.layout();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
}
}
********************************************************************************************
程序運行結果如下：
這個程序還有許多缺點比如說數據冗余，沒有實現專家與病人之間的通信！
由于沒有實現多線程技術，在專家系統端運行時，只能是調用服務器初始化的病人，不能調用病人系統端添加的病人。