问题 名词解释

急性重症胆管炎

答案

参考答案:

是由于胆管梗阻和细菌感染,胆管内压力升高,肝脏胆一血屏障受损,大量细菌和毒素进入血液循环,造成以肝胆系统损害为主,合并多器官损害的全身严重感染性疾病。病人除了有右上腹痛、畏寒、发热、黄疸三联征(Charcot)外,还伴有休克及精神异常症状五联征。

问答题

以下程序中,当用户单击“移动”按钮以后,就可以使用方向键控制屏幕上句子的移动,单击“停止”按钮,则句子不再随着方向键移动。运行结果如下图所示


注意:请勿改动其他已有语句内容,仅在横线处填入适当语句。
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class Example2_8 extends Applet implements KeyListener

public void keyTyped(KeyEvent e)
public void keyReleased(KeyEvent e)
Button button;
Button stopButton;
Label out;
int x,y;
public void _______ ()

button = new Button("移动");
button.addActionListener(new AddMoveListener(this));
stopButton = new Button("停止移动");
stopButton.addActionListener(new RemoveListener(this));
stopButton.setEnabled(false);
out = new nabel("按下按钮以后我可以随方向键移动");
add(button);
add(stopButton);
add (out);

public void start()

super, start ();

public void keyPressed(KeyEvent e)

x=out.getBounds().x;
y=out.getBounds().y;
if(e.getKeyCode()==KeyEvent.VK_UP)

y=y-2;
if(y<=0) y=0;
out. setLocation (x, y);

else if(e.getKeyCode()==KeyEvent.VK_DOWN)

y=y+2;
if (y>=300) y=300;
out. setLocation (x, y);

else if(e.getKeyCode()==KeyEvent.VK_LEFT)

x=x-2;
if(x<=0) x=0;
out. setLocation (x, y);

else if(e.getKeyCode()==KeyEvent.VK_RiGHT)

x=x+2;
if(x>=300) x=300;
out. setLocation (x, y);


class AddMoveListener implements ActionListener

Example2_8 lis;
public AddMoveListener(Example2_8 lis)

this.lis = lis;

public void actionPerformed(ActionEvent e)

button. _________(lis);
stopButton, setEnabled (true);


class RemoveListener implements ActionListener

Example2_8 lis;
public RemoveListener(Example2_8 lis)

this.lis = lis;

public void actionPerformed(ActionEvent e)

button, removeKeyListener (lis);
stopButton.setEnabled(false);



Example2_8. html
<HTML>
<HEAD>
<TITLE> Example2_8</TITLE>
</HEAD>
<BODY>
<APPLET CODE="Example2_8.class"WIDTH=400 HEIGHT=500>
</APPLET>
</BODY>
</HTML>

单项选择题